Articles are sorted in order of publication with the most recent articles at the top.

Scleromyxoedema in a dog

Laprais AF, Bizikova P, Lashnits EW, et al. Vet Dermatol 2017;28:503-e119. BACKGROUND: In humans, scleromyxoedema is a chronic progressive skin condition traditionally characterized by deposits of mucin, increased number of fibroblasts and fibrosis in the skin, and by systemic disease. … Read More

Thyroid Cysts in Cats: A Retrospective Study of 40 Cases

Miller ML, Peterson ME, Randolph JF, et al. J Vet Intern Med 2017;31:723-729. BACKGROUND: Thyroid cysts are rare in cats and poorly documented. OBJECTIVES: To report distinguishing clinical features and treatment responses of cats with thyroid cysts. ANIMALS: Forty client-owned … Read More

Thyroglossal Duct Carcinoma in a Cat

Moorer J.D., Breshears M.A. and Dugat D.R. J Am Anim Hosp Assoc, 2016. 52(4): p.251-5.   A 14 yr old castrated domestic shorthair cat presented for a fluid-filled structure in the ventral cervical region that had been present for 1 … Read More

Thyroid Profiles in Healthy Kittens Aged Two to Sixteen Weeks of Age

Ryan M.J. Conference Proceedings, (2016). American College of Veterinary Internal Medicine, Denver:   Congenital hypothyroidism (CH) is associated with significant morbidity and mortality in pediatric felines. Thyroid hormones (TH) are essential for normal development of the nervous and skeletal systems. … Read More

Genetics of Endocrine Disease in Dogs and Cats

Davidson L.J. Conference Proceedings, (2016). American College of Veterinary Internal Medicine, Denver:   INTRODUCTION Observations that certain endocrine diseases occur more commonly in certain breeds of dog and cat have long suggested that genetic predispositions to disease exist. Examples of … Read More

Feeding the Finicky Feline

Quimby J.M. Conference Proceedings, (2016). American College of Veterinary Internal Medicine, Denver:   IMPORTANCE OF NUTRITION Anorexia is one of the most common clinical signs of disease in cats presenting to the veterinary hospital. Unfortunately it is nonspecific and a … Read More

Dietary Links to Feline Hyperthyroidism

Van Hoek I. Conference Proceedings, (2016). American College of Veterinary Internal Medicine, Denver:   CONCLUSION Epidemiological studies investigating environmental and nutritional exposures suggest HT to be a complex multifactorial disease. Diet and feeding canned food have been associated with HT … Read More

Etiopathogenesis of Feline Hyperthyroidism

Conference Proceedings, (2016). American College of Veterinary Internal Medicine, Denver:   Hyperthyroidism is the most common endocrinopathy of middle-aged and older cats. Although it was not recognised as a clinical entity until the late 1970s it is now very common … Read More

Evaluation of Quantitative Thyroid Scintigraphy for Diagnosis and Staging of Disease Severity in Cats with Hyperthyroidism: Comparison of the Percent Thyroidal Uptake of Pertechnetate to Thyroid-to-Salivary Ratio and Thyroid-to-Background Ratios

Peterson M.E., Guterl J.N., Rishniw M., et al. Veterinary Radiology & Ultrasound, 2016. 57(4): p.427-440.   Thyroid scintigraphy is commonly used for evaluation of cats with hyperthyroidism, with the thyroid-to-salivary ratio (T/S) being the most common method to quantify the … Read More

Thyroid Scintigraphy Findings in 2096 Cats with Hyperthyroidism

Peterson M.E. and Broome M.R. Vet Radiol Ultrasound, 2015. 56(1): p.84-95.   Thyroid scintigraphy is currently the reference standard for diagnosing and staging cats with hyperthyroidism, but few studies describing the scintigraphic characteristics in a large number of cats have … Read More

Carbimazole-Associated Hypersensitivity Vasculitis in a Cat

Bowlt K., Cattin I. and Stewart J. J Small Anim Pract, 2014. 55(12): p.643-7.   Feline hyperthyroidism can be treated medically, surgically or with radioactive iodine. Carbimazole inhibits both triiodothyronine and thyroxine synthesis in the thyroid gland and reported side … Read More

PBDEs and Feline Hyperthyroidism

Chow K., Beatty J.A., Barrs V.R., et al. Vet Rec, 2014. 175(17): p.433-4.   THE recent Viewpoint article by Hill and Shaw (VR, September 6, 2014, vol 175, pp 228-229) raises interesting questions about the contribution of environmental factors in … Read More

Nutrition of Aging Cats

Laflamme D. and Gunn-Moore D.   Vet Clin North Am Small Anim Pract, 2014. 44(4): p.761-774.   At least one-third of cats seen by veterinarians are mature, defined as 7 years of age or older, and approximately 13% of cats … Read More

Dietary Management of Feline Endocrine Disease

Peterson M.E. and Eirmann L.   Vet Clin North Am Small Anim Pract, 2014. 44(4): p.775-788.   When treating cats with endocrine disease, most veterinarians concentrate on medical or surgical treatments that can be used to manage or cure the … Read More

Concurrent Diseases and Conditions in Cats with Renal Infarcts

Hickey M.C., Jandrey K., Farrell K.S., et al. J Vet Intern Med, 2014. 28(2): p.319-23.   BACKGROUND: Renal infarcts identified without definitive association with any specific disease process. OBJECTIVE: Determine diseases associated with diagnosis of renal infarcts in cats diagnosed … Read More

Primary Hypothyroidism and Thyroid Goiter in an Adult Cat

Galgano M., Spalla I., Callegari C., et al.   Journal of Veterinary Internal Medicine, 2014. 28(2): p.682-686. A 5-year-old, neutered male domestic shorthair cat was referred for evaluation of suspected hypothyroidism. In the previous 2 months, the owner reported mild … Read More

Cardiac Biomarkers in Hyperthyroid Cats

Sangster J.K., Panciera D.L., Abbott J.A., et al.   Journal of Veterinary Internal Medicine, 2014. 28(2): p.465-472.   Background Hyperthyroidism has substantial effects on the circulatory system. The cardiac biomarkers NT-proBNP and troponin I (cTNI) have proven useful in identifying … Read More

Thyroid Scintigraphy in Veterinary Medicine

Daniel G.B. and Neelis D.A.   Semin Nucl Med, 2014. 44(1): p.24-34.   Thyroid scintigraphy is performed in cats and dogs and has been used to a limited degree in other species such as the horse. Thyroid scintigraphy is most … Read More

Evaluation of Thyroid to Background Ratios in Hyperthyroid Cats

Bettencourt A.E., Panciera D.L., Larson M., et al. Conference Proceedings, (2013). American College of Veterinary Radiology, Savannah, GA: p.75   IntroductionlPurpose: Thyroid scintigraphy has been used to diagnose, quantify and characterize disease, and predict treatment outcome in hyperthyroid cats. Scintigraphic … Read More

More Than Just T4: Diagnostic Testing for Hyperthyroidism in Cats

Peterson M.E.   Journal of feline medicine and surgery, 2013. 15(9): p.765-77.   Clinical challenges: In older cats presenting with clinical features of hyperthyroidism, confirmation of a diagnosis of thyroid disease is usually straightforward. However, the potential for false-negative and … Read More

Paraneoplastic Hypercalcemia

Bergman P.J. Top Companion Anim Med, 2012. 27(4): p.156-8.   Paraneoplastic syndromes (PNSs) are neoplasm-associated alterations in bodily structure or function or both that occur distant to the tumor. They are an extremely diverse group of clinical aberrations that are … Read More

Nutritional Management of Feline Hyperthyroidism

Forrester S.D., Towell T.L. and Shenoy K. Conference Proceedings, (2012). Veterinary Medical Association, 130th Annual Meeting, Iowa: p.87-91 Production of thyroid hormone requires uptake by the thyroid gland of sufficient amounts of iodine, provided by dietary intake. The only function … Read More

Managing Hyperthyroidism in Cats

Higgs P. and Hibbert A. The Veterinary record, 2012. 171(9): p.225-6. Over the next few weeks clinicians at the Feline Centre, Langford veterinary Services, University of Bristol, will be contacting every veterinary practice across the UK to invite them to … Read More

Knowns and Unknowns of Feline Hyperthyroidism

The Veterinary Record, 2012. 171(6): p.143-4. Current understanding of feline hyperthyroidism, as well as different approaches to treatment and management, were discussed at a symposium held in Barcelona in May this year. Called ‘the rise and fall of thyroxin’, the … Read More

Thyroid Disorders in the Geriatric Veterinary Patient

Scott-Moncrieff J.C. The Veterinary clinics of North America. Small animal practice, 2012. 42(4): p.707-25, vi-vii.   The effects of age, concurrent illness, and administered medications complicate diagnosis of thyroid dysfunction in geriatric patients. Interpretation of thyroid hormone testing should take … Read More

Nuclear Imaging in Veterinary Endocrinology

Daniel G. Conference Proceedings, (2012). American College of Veterinary Internal Medicine, New Orleans: p.700-702   Scintigraphic studies are used in veterinary medicine to image thyroid, parathyroid, adrenal and pancreatic diseases. By far, the most common of these studies is thyroid … Read More

Thyroid Scintigraphy Findings in 917 Cats with Hyperthyroidism

Peterson M.E. and Broome M.R. Conference Proceedings, (2012). American College of Veterinary Internal Medicine, New Orleans: p.754   Thyroid scintigraphy provides valuable information regarding both thyroid anatomy and physiology and plays an integral role in the diagnosis, staging, and management … Read More

Adrenal Function in Cats with Hyperthyroidism

Ramspott S., Hartmann K., Sauter-Louis C., et al. J Feline Med Surg, 2012. 14(4): p.262-6.   Adrenal function may be altered in animals with hyperthyroidism. The aim of the study was to assess adrenal function of hyperthyroid cats (n = … Read More

Leptin Levels in Hyperthyroid Cats before and after Treatment

Jaillardon L., Burger M. and Siliart B. The Veterinary record, 2012. 170(6): p.155. HYPERTHYROIDISM is a common endocrine disorder in old cats (Edinboro and others 2004). Thyrotoxicosis induces an increased catabolism with reduced fat and muscle mass despite the increased … Read More

Gene Expression Analysis of Feline Thyroid Tissue and Blood from Cats with Evidence of Mild or Marked Hyperthyroidism Reveals Potential Molecular Causes of the Disease and Identifies Future Routes for Intervention

Melendez L. and Al-Murrani S. Conference Proceedings, (2011). American College of Veterinary Internal Medicine:   Hyperthyroidism is a disorder resulting from the excessive production and secretion of T4 and T3 by the thyroid gland. Although the disorder and its pathological … Read More

Diagnostic Testing for Feline Hyper- and Hypothyroidism

Peterson M.E. Conference Proceedings, (2011). American College of Veterinary Internal Medicine: p.95-97   The diagnosis of hyperthyroidism and hypothyroidism in cats is primarily based on a constellation of typical clinical features, including the cat’s signalment, history, clinical signs, and physical … Read More

Feline Systemic Hypertension: Classification and Pathogenesis

Jepson R.E. J Feline Med Surg, 2011. 13(1): p.25-34.   PRACTICAL RELEVANCE: the increased availability of indirect blood pressure monitoring devices in clinical practice over the past decade has highlighted the significance of systemic hypertension in the feline population. Without … Read More

Feline Systemic Hypertension: Diagnosis and Management

Stepien R.L. J Feline Med Surg, 2011. 13(1): p.35-43.   PRACTICAL RELEVANCE: the clinical importance of feline hypertension has been recognised for many years and most feline practitioners are quite familiar with this syndrome. Once systemic hypertension is identified, long-term … Read More

Intrapericardial Ectopic Thyroid Carcinoma in a Cat

Knowles S., Uhl E.W., Blas-Machado U., et al. J Vet Diagn Invest, 2010. 22(6): p.1010-1013.   A 7-year-old spayed female domestic shorthair feline presented with tachycardia and was later euthanized due to a declining condition. On gross examination, the thoracic … Read More

Circulating Natriuretic Peptides Concentrations in Hyperthyroid Cats

Klein A., Pace C., Elliott J., et al. Conference Proceedings, (2010). American College of Veterinary Internal Medicine, Anaheim: p.730 The cardiac biomarkers N-terminal-pro-Brain Natriuretic Peptide (NT-pro-BNP) and N-terminal -pro-Atrial Natriuretic Peptide (NT-pro-ANP) have been shown to be of value in … Read More

Insulin Resistance in Cats

Scott-Moncrieff J.C. Vet Clin North Am Small Anim Pract, 2010. 40(2): p.241-57.   Insulin resistance is defined as decreased sensitivity to insulin. Insulin resistance is an important component of the pathogenesis of type 2 diabetes mellitus (DM), and resolution of … Read More

Use of Thyroid Stimulating Hormone (TSH) in Cats

Wakeling J. Can Vet J, 2010. 51(1): p.33-4.   Thyroid stimulating hormone (TSH) measurement is routinely used for the diagnosis of thyroid disease in humans and dogs, but measurement of feline TSH is not routinely performed because a commercial feline … Read More

Risk Factors for Feline Hyperthyroidism in the UK

Wakeling J., Everard A., Brodbelt D., et al. J Small Anim Pract, 2009. 50(8): p.406-14.   OBJECTIVES: Previous studies of cats in the USA and New Zealand have identified a number of risk factors for the development of hyperthyroidism including … Read More

Anticoagulant-Dependent in Vitro Hemagglutination in a Cat

Schaefer D.M.W., Priest H., Stokol T., et al. Veterinary Clinical Pathology, 2009. 38(2): p.194-200.   Abstract: A 17-year-old domestic shorthaired cat was presented to the Cornell University Hospital for Animals for recheck of hyperthyroidism previously treated with radioiodine. Marked agglutination … Read More

Urinary Iodide Concentration in Hyperthyroid Cats

Wakeling J., Elliott J., Petrie A., et al. Am J Vet Res, 2009. 70(6): p.741-9.   OBJECTIVE: To compare concentrations of urinary iodide (UI) in euthyroid and untreated hyperthyroid cats. ANIMALS: 118 euthyroid and 88 hyperthyroid client-owned cats from 2 … Read More

What Happened to the “Classic” Hyperthyroid Cat?

Downers K. Conference Proceedings, (2009). Central Veterinary Conference, Baltimore: p.1-2   When hyperthyroidism was first reported In cats as a disease entity approximately 25 years ago, the majority of cases were advanced. The cats were thin, aggressive, polyuric, polydipsic, polyphaglc … Read More

Thyroid Dysfunction and Kidney Disease

Iglesias P. and Diez J.J. Eur J Endocrinol, 2009. 160(4): p.503-15.   Thyroid hormones (TH) are essential for an adequate growth and development of the kidney. Conversely, the kidney is not only an organ for metabolism and elimination of TH, … Read More

Caudal Mediastinal Thyroglossal Duct Cyst in a Cat

Lynn A., Dockins J.M., Kuehn N.F., et al. J Small Anim Pract, 2009. 50(3): p.147-50.   An eight-year-old domestic shorthair cat was evaluated because of dyspnoea secondary to pleural effusion. Ultrasound examination identified a large anechoic cyst-like structure in the … Read More

Scintigraphic Findings in 120 Hyperthyroid Cats

Harvey A.M., Hibbert A., Barrett E.L., et al. Journal of Feline Medicine & Surgery, 2009. 11(2): p.96-106.   The aim of this study was to characterise the scintigraphic findings in a large population of hyperthyroid cats in order to determine … Read More

Endocrine Diseases in Animals

Kooistra H.S., Galac S., Buijtels J.J., et al. Horm Res, 2009. 71 Suppl 1: p.144-7.   BACKGROUND: Several endocrine disorders that affect humans also occur as endocrinopathies in companion animals. Spontaneous endocrine disorders in animals may provide valuable information for … Read More

Hyperthyroid Cats and Fire Retardants

Kerry S. Vet Rec, 2008. 162(9): p.287-8.   In summary, the results of this study demonstrated high levels of PBDEs in cats and that fish-flavoured cat foods contained higher levels of PBDEs than other feeds. The level of PBDEs was … Read More

Hyperthyroid Cats and Fire Retardants

Butterton S. Vet Rec, 2008. 162(7): p.224. SIR, – A client with a hyperthyroid cat turned up the other day demanding that a blood test for polybrominated diphenyl ethers (PBDEs) be carried out on her animal. She had just learned … Read More

Thyroid Tumors in Dogs and Cats

Barber L.G. Vet Clin North Am Small Anim Pract, 2007. 37(4): p.755-73, vii.   The clinical presentation and biologic behavior of thyroid tumors vary widely among dogs, cats, and human beings. Although thyroid tumors in dogs are rare, they are … Read More

Cardiovascular and renal manifestations of hyperthyroidism

Syme HM. Vet Clin North Am Small Anim Pract 2007;37:723-743, vi. In the simplest terms, hyperthyroidism is the clinical syndrome that results from an excess of thyroid hormones. This review considers the effects of hyperthyroidism on the cardiovascular and renal … Read More

Etiopathologic Findings of Hyperthyroidism in Cats

Peterson M.E. and Ward C.R. Vet Clin North Am Small Anim Pract, 2007. 37(4): p.633-45, v.   None of the studies to date have isolated a single dominant factor that could be incriminated in the development of hyperthyroidism in cats. … Read More

Thyroid Surgery in Dogs and Cats

Radlinsky M.G. Vet Clin North Am Small Anim Pract, 2007. 37(4): p.789-98, viii.   Thyroid surgery is indicated for malignant and benign neoplasms or hyperplasia of the thyroid glands. A ventral midline cervical approach allows for bilateral thyroid exploration. Care … Read More

Calcium Homeostasis in Thyroid Disease in Dogs and Cats

Schenck P.A. Vet Clin North Am Small Anim Pract, 2007. 37(4): p.693-708, vi.   Hyperthyroidism is the most common endocrine disorder of cats, and hypothyroidism is the most common endocrine disorder of dogs. Little is known regarding the effects of … Read More

Testing for Hyperthyroidism in Cats

Shiel R.E. and Mooney C.T. Vet Clin North Am Small Anim Pract, 2007. 37(4): p.671-91, vi.   Hyperthyroidism remains a common endocrine disorder of cats. Although relatively easy to diagnose in classically presenting cats, the increased frequency of testing cats … Read More

Pharmacologic Management of Feline Hyperthyroidism

Trepanier L.A. Vet Clin North Am Small Anim Pract, 2007. 37(4): p.775-88, vii.   Radioiodine is considered the treatment of choice for hyperthyroidism, but in some situations, methimazole therapy is preferred, such as in cats with preexisting renal insufficiency. Unfavorable … Read More

Feline Thyroid Storm

Ward C.R. Vet Clin North Am Small Anim Pract, 2007. 37(4): p.745-54, vii.   Thyroid storm is a syndrome described in human medicine to define a multisystemic disorder resulting from organ exposure to excessive levels of thyroid hormone. This form … Read More

What Is Your Diagnosis? Congenital Hypothyroidism

Szabo S.D. and Wells K.L. Journal of the American Veterinary Medical Association, 2007. 230(1): p.29-30. A 3-year-old neutered male domestic shorthair cat was referred for subtotal colectomy because of chronic constipation; the cat had had constipation since it was 6 … Read More

Iatrogenic Hyperadrenocorticism in 12 Cats

Lien Y.H., Huang H.P. and Chang P.H. J Am Anim Hosp Assoc, 2006. 42(6): p.414-23. Iatrogenic hyperadrenocorticism is an extremely rare condition in cats. Twelve cats with a medical history of progressive skin lesions and long-term treatment with corticosteroids were … Read More

Complications after Thyroidectomy in 101 Hyperthyroid Cats

Naan E.C., Kirpensteijn J., Peeters M.E., et al. Journal of Veterinary Internal Medicine, 2006. 20(6): p.1523. The objective of this retrospective study was to describe the results of thyroidectomy in one hundred-and-one hyperthyroid cats, with emphasis on peri- and post-surgical … Read More

Feline Hyperthyroidism and Its Relation with Renal Function

Daminet S. Conference Proceedings, (2006). World Congress, Prague: Feline hyperthyroidism and chronic renal failure (CRF) are common diseases In older cats. Further, renal function is profoundly influenced by thyroid statos tn several species. In cats, several studies have shown a … Read More

Homeopathic Treatment of Feline Hyperthyroidism

Dobias P. Conference Proceedings, (2006). World Congress WSAVA/FECAVA/CSAVA: p.124-126   Hyperthyroidism is one of the most commonly diagnosed problems in cats. The most frequently used conventional treatments involve the use of methimazole or Iodine 131. The following study is a … Read More

Pediatric Endocrinology

Greco D.S. Vet Clin North Am Small Anim Pract, 2006. 36(3): p.549-56, vi.   Endocrine and metabolic disorders affecting puppies and kittens from birth until 6 months of age may manifest as clinical problems related to growth or to water … Read More

Does Subclinical Hyperthyroidism Exist in Cats?

Wakeling J., Elliott J. and Syme H.S. Journal of Veterinary Internal Medicine, 2006. 20(3): p.726. Hyperthyroidism (HTH) in cats has strong parallels with toxic nodular goitre (TNG) in humans. A well-defined sub-clinical phase exists in TNG where thyroid hormone concentrations … Read More

Results of Thyroidectomy in 101 Cats with Hyperthyroidism

Naan E.C., Kirpensteijn J., Kooistra H.S., et al. Vet Surg, 2006. 35(3): p.287-93.   OBJECTIVE: To describe outcome after thyroidectomy in hyperthyroid cats, with emphasis on peri- and postsurgical complications and recurrence. STUDY DESIGN: Retrospective study. ANIMALS: One hundred and … Read More

Thyroidectomy in the Cat

Birchard S.J. Clin Tech Small Anim Pract, 2006. 21(1): p.29-33.   Thyroidectomy in cats is most commonly indicated to treat hyperthyroidism because of adenomatous hyperplasia of the thyroid glands. Preoperative stabilization of the hyperthyroid cat with antithyroid drugs is preferred … Read More

Thyroid Scintigraphy in Hyperthyroidism

Broome M.R. Clin Tech Small Anim Pract, 2006. 21(1): p.10-6.   Thyroid scintigraphy is a nuclear medicine procedure that produces a visual display of functional thyroid tissue based on the selective uptake of various radionuclides by thyroid tissue. Thyroid scintigraphy … Read More

Hyperthyroidism and the Kidney

Langston C.E. and Reine N.J. Clin Tech Small Anim Pract, 2006. 21(1): p.17-21.   Hyperthyroidism and chronic renal failure (CRF) are both common diseases of older cats. Hyperthyroidism increases GFR by a variety of physiologic effects. Chronic renal failure can … Read More

Radioiodine Treatment of Hyperthyroidism

Peterson M.E. Clin Tech Small Anim Pract, 2006. 21(1): p.34-9.   Radioactive iodine provides a simple, effective, and safe treatment for cats with hyperthyroidism and is regarded by most authorities to be the treatment of choice. It is a particularly … Read More

Diagnostic Tests for Hyperthyroidism in Cats

Peterson M.E. Clin Tech Small Anim Pract, 2006. 21(1): p.2-9.   The diagnosis of hyperthyroidism, one of the most common disorders affecting elderly cats, is usually straightforward and considered routine by most practitioners. Nowadays, however, most cats suffering from hyperthyroidism … Read More

Medical Management of Hyperthyroidism

Trepanier L.A. Clin Tech Small Anim Pract, 2006. 21(1): p.22-8.   Radioiodine is considered the treatment of choice for hyperthyroidism, but in some situations, methimazole therapy is preferred, such as in cats with pre-existing renal insufficiency. Methimazole blocks thyroid hormone … Read More

Thyroid Storm in Cats: Fact or Fiction

Ward C.R. Conference Proceedings, (2006). American College of Veterinary Internal Medicine, Louisville: p.456-458   Thyroid storm is a syndrome described in human medicine to define a multi systemic disorder resulting from organ exposure to excessive levels of thyroid hormone.  This … Read More

Feline Hyperthyroidism

Brennan S.F. and Jones B.R. European Journal of Companion Animal Practice, 2005. 15(2): p.169-172.   This paper discusses the clinical signs, diagnosis and treatment of hyperthyroidism. now recognized as the most common endocrine disease of the cat. Although the aetiology … Read More

Thyroid Disorders in the Geriatric Patient

Meeking S.A. Vet Clin North Am Small Anim Pract, 2005. 35(3): p.635-53.   Thyroid disorders are common in older pets. They often present a diagnostic challenge, and reaching a definitive diagnosis can be difficult or impossible in some cases. It … Read More

Feline Endocrinopathies

Gunn-Moore D. Vet Clin North Am Small Anim Pract, 2005. 35(1): p.171-210, vii.   Feline endocrinopathies (excluding diabetes mellitus) include hyperthyroidism, hypothyroidism, acromegaly, hyposomatotropism, diabetes insipidus, hyperadrenocorticism, primary sex hormone-secreting adrenal tumors, primary hyperaldosteronism, pheochromocytoma, hypoadrenocorticism, hyperparathyroidism, and hypoparathyroidism. Each … Read More

Update on Thyroid Function Tests in Cats: Where Does TSH Fit In?

Ferguson D.C. Conference Proceedings, (2005). American College of Veterinary Internal Medicine, Baltimore: Great strides have been made in the recognition of feline hyperthyroidism since its first description as a clinical entity over 25 years ago. However, there remain significant issues … Read More

Traumatic Partial Hypopituitarism in a Cat

Smith J.R. and Elwood C.M. J Small Anim Pract, 2004. 45(8): p.405-9.   Traumatic hypopituitarism was diagnosed in an 11-month-old male neutered cat. The presenting complaints were polydipsia, polyuria and lethargy of three months’ duration. Craniocerebral trauma, as a result … Read More

Determination of Release Criteria for I-131 Therapy Cats

Miles K.G., Simpson S.A., Zimmerman R.B., et al. Conference Proceedings, (2004). American College of Veterinary Radiology, Montreal:   INTRODUCTION/PURPOSE: Radioactive iodine (I-131) therapy represents the current gold standard treatment option for feline hyperthyroidism. At present, release criteria for treated cats … Read More

Management of Hypertension in a Geriatric Cat

Thompson J. Can Vet J, 2004. 45(5): p.427-9.   Hyperthyroidism and chronic renal disease occur commonly in geriatric cats, often in association with potentially life-threatening primary or secondary hypertension. Early treatment of hypertension minimizes damage to vital organs. This case … Read More

Congenital Hypothyroidism in a Cat

Crowe A. Can Vet J, 2004. 45(2): p.168, 170. An 18-month-old, 2 kg, intact female domestic shorthair was presented for a 2-day history of decreased appetite and lethargy. The owner had also noted that there was a decrease in the … Read More

Congenital hypothyroidism in a cat

Crowe A. Can Vet J 2004;45:168, 170. A n 18-month-old, 2 kg, intact female domestic short- hair was presented for a 2-day history of decreased appetite and lethargy. The owner had also noted that there was a decrease in the … Read More

Examining the Pathogenesis of Feline Hyperthyroidism.

Bruyette D. Vet Med, 2004. 99(11): p.951-954.   Since it was first documented in 1979, hyperthyroidism has become increasingly more common in cats. It is now the most commonly diagnosed endocrinopathy in cats. This may be a true increase in … Read More

The Options for Treating Feline Hyperthyroidism.

Bruyette D. Vet Med, 2004. 99(11): p.964-972.   You have numerous choices for treating hyperthyroid cats. Which therapy you choose depends on such factors as the cat’s health, the expense the owner is willing to bear, your experience, and the … Read More

Cystic Thyroid and Parathyroid Lesions in Cats

Phillips D.E., Radlinsky M.G., Fischer J.R., et al. J Am Anim Hosp Assoc, 2003. 39(4): p.349-54.   Reports of cystic thyroid and parathyroid masses in cats are uncommon. Herein, the authors describe a series of four cats with cystic ventral … Read More

Juvenile Hyperthyroidism in a Cat

Gordon J.M., Ehrhart E.J., Sisson D.D., et al. J Am Anim Hosp Assoc, 2003. 39(1): p.67-71.   An 8-month-old, male domestic shorthaired cat presented for chronic weight loss, intermittent dyspnea, chronic diarrhea, hyperactivity, and weakness. The cat had a palpable … Read More

Diagnosis of Feline Hyperthyroidism Using Thyroid Scintigraphy.

Marsolais M.E., Mott J. and Berry C.R. Conference Proceedings, (2003). American College of Veterinary Internal Medicine: p.393 Diagnosis of hyperthyroidism is traditionally made by demonstrating elevations in the serum thyroxine (T4) level; however, fluctuations in T4 levels and the possibility … Read More

Congenital hypothyroidism with goiter in toy fox terriers

Fyfe JC, Kampschmidt K, Dang V, et al. J Vet Intern Med 2003;17:50-57. Congenital hypothyroidism with goiter was observed to segregate as a simple autosomal recessive trait in Toy Fox Terriers (TFTs). Neonatal affected pups exhibited inactivity, abnormal hair coat, … Read More

Radioiodine Treatment of Feline Hyperthyroidism in Germany

Puille M., Knietsch M., Spillmann T., et al. Nuklearmedizin, 2002. 41(6): p.245-51.   AIM: Establishment of radioiodine treatment of feline hyperthyroidism in veterinary routine in accordance with German radiation protection regulations. PATIENTS AND METHODS: 35 cats with proven hyperthyroidism were … Read More

Cats with Hyperthyroidism

Malik R. and Charlton V. J Feline Med Surg, 2002. 4(3): p.127-8. Unlike most clinical academics, I have the opportunity of seeing a reasonable number of first opinion cases, as well as feline referrals . This gives me the opportunity … Read More

Pathogenesis of Feline Hyperthyroidism

Mooney C.T. J Feline Med Surg, 2002. 4(3): p.167-9.   Hyperthyroidism is recognised not only as the commonest endocrine disease of domestic cats but as one of the most frequently diagnosed disorders in small animal practice. Prior to its first … Read More

Serum TSH in Hyperthyroid Cats Pre- And Post Therapy

Otero T., Archer J., Billings H., et al. Conference Proceedings, (2002). Proceedings of the European College of Veterinary Internal Medicine—Companion Animals Congress: p.173   Feline hyperthyroidism can be difficult to diagnose. Sensitive TSH assays are used to diagnose this condition … Read More

Feline Thyroid Surgery

Padgett S. Vet Clin North Am Small Anim Pract, 2002. 32(4): p.851-9, vi.   Hyperthyroidism is the most commonly diagnosed endocrine disease in cats. Surgery is a widely available curative therapy for hyperthyroid cats. Because of the multiple metabolic changes … Read More

Estimation of Iodine Status in Cats

Ranz D., Tetrick M., Opitz B., et al. J Nutr, 2002. 132(6 Suppl 2): p.1751S-3S. Feline hyperthyroidism is the most common endocrine disorder of middle-aged to old cats in the United States. In Germany, the latest investigations have shown increasing … Read More

External and Internal Influences on Disease Risk in Cats

Buffington C.A. J Am Vet Med Assoc, 2002. 220(7): p.994-1002.   Owners surrender millions of cats to animal shelters each year for euthanasia. Inappropriate elimination, most commonly associated with urologic signs, was the must common reason given for abandoning the cat. … Read More

Primary Hyperparathyroidism and Concurrent Hyperthyroidism in a Cat

Kaplan E. Can Vet J, 2002. 43(2): p.117-9.   A cat was presented for anorexia and vomiting. Hyperthyroidism and primary hyperparathyroidism were diagnosed. A thyroid adenoma and parathyroid adenoma, respectively, were responsible for these conditions. Unilateral thyroidectomy and parathyroidectomy successfully … Read More

Urinary Corticoid/Creatinine Ratios in Cats with Hyperthyroidism

Kooistra H.S., De Lange M., Trip M., et al. Conference Proceedings, (2002). ECVIM-CA: p.637   Elevated urinary corticoid/creatinine (C/C) ratios in cats with signs and symptoms compatible with hyperadrenocorticism have been reported to be indicative of hyperadrenocortism.  However, in addition … Read More

Cholelithiasis and Hyperthyroidism in a Cat

Elwood C.M., White R.N., Freeman K., et al. J Feline Med Surg, 2001. 3(4): p.247-252.   A 14-year-old domestic short-hair cat presented with a history of intermittent malaise and increased drinking. A diagnosis of hyperthyroidism and cholelithiasis was made by … Read More

Feline Hyperthyroidism. Diagnostics and Therapeutics

Mooney C.T. Vet Clin North Am Small Anim Pract, 2001. 31(5): p.963-83, viii.   Today, hyperthyroid cats are less symptomatic than those 10 or 15 years ago, and early diagnosis impacts the range and severity of the routine clinicopathological abnormalities … Read More

Identifying and Managing Feline Congenital Hypothyroidism

Tobias S. and Labato M.A. Vet Med, 2001. 96: p.719-726. Congenital primary hypothyroidism causing disproportionate dwarfism is seldom diagnosed and rarely reported to occur in cats. The clinical signs of congenital hypothyroidism can range from severe to mild depending on … Read More

Feline Endocrinology Update

Bruyette D.S. Vet Clin North Am Small Anim Pract, 2001. 31(5): p.1063-81, ix.   This article highlights the advances in feline endocrinology, excluding diabetes mellitus and hyperadrenocorticism, which have recently been reviewed elsewhere. The goal will be to provide clinically … Read More

Functional Cystic Thyroid Adenoma in a Cat

Hofmeister E., Kippenes H., Mealey K.L., et al. J Am Vet Med Assoc, 2001. 219(2): p.190-3.   A 9-year-old cat with hyperthyroidism was referred for radioactive iodine treatment. The cat also had a ventral cervical mass that the owners reported … Read More

Unusual Hyperparathyroidism in a Cat

Gnudi G., Bertoni G., Luppi A., et al. Vet Radiol Ultrasound, 2001. 42(3): p.250-3.   A 5 month-old, male, domestic short hair cat was presented with inappetence and vomiting. it was depressed and reluctant to move. The cat had difficulties … Read More

Characterization of the Feline Thyroglobulin Promoter

Blackwood L., Onions D.E. and Argyle D.J. Domest Anim Endocrinol, 2001. 20(3): p.185-201.   The feline thyroglobulin promoter was identified by a combination of standard polymerase chain reaction (PCR) techniques, using primers designed according to regions of homology in published … Read More

Thyroid Function Tests–What Do They Really Tell Us?

Panciera D.L. J Vet Intern Med, 2001. 15(2): p.86-8. Regulation of circulating thyroid hormones is a complex process that involves the hypothalamus, pituitary gland, thyroid gland, plasma transport proteins, and cellular uptake and metabolism of thyroid hormones. The hypothalamus produces … Read More

Evaluation of Proteinuria in Hyperthyroid Cats

Syme H.M. and Elliott J. Conference Proceedings, (2001). American College of Veterinary Internal Medicine, Denver:   Many cats are diagnosed with renal failure (RF) following treatment for hyperthyroidism.It is uncertain whether this is due to the deleterious effects of  hyperthyroidism … Read More

Ectopic Lingual Thyroid Tissue in a Cat

Patnaik A.K., Peterson M.E. and Hidgon A. J Feline Med Surg, 2000. 2(3): p.143-6.   Ectopic thyroid tissue was identified at the base of the tongue in a 9-year-old, euthyroid, domestic shorthair cat. The lingual submucosa and the muscles were … Read More

Epidemiological Aspects of Feline Hyperthyroidism

Olczak J. Conference Proceedings, (2000). Proceedings of the 9th Symposium of hte International Society for Veterinary Epidemiology and Economics, Breckenridge, CO:   A questionnaire-based case-control study involving 375 New Zealand cats was conducted to examine associations between putative risk factors … Read More

Thyroid Hormone Deiodination in the Domestic Cat

Foster D.J., Thoday K.L. and Beckett G.J. J Mol Endocrinol, 2000. 24(1): p.119-26.   We have investigated thyroid hormone deiodination in the liver, kidney and thyroid of the domestic cat. Affinity labelling with (125)I-bromoacetyl reverse T(3) (125)(I-BrAc-rT(3) demonstrated that liver … Read More

Serum Fructosamine Concentrations in Hyperthyroid Cats

Graham P.A., Mooney C.T. and Murray M. Res Vet Sci, 1999. 67(2): p.171-5.   Serum fructosamine concentrations were measured in 35 healthy cats and in 30 hyperthyroid cats before and 30 days after curative radioiodine ((131)I) treatment. Hyperthyroid cats were … Read More

Medical Therapy of Feline Hyperthyroidism

Behrend E.N. Compen Contin Educ Pract Vet., 1999. 21(3): p.235-244.   Hyperthyroidism is the most common endocrinopathy of cats. Antithyroid medications and radioiodine constitute the two main medical options. Methimazole and carbimazole are effective in most cats, but monitoring is … Read More

Thyroid Adenomatous Hyperplasia in Euthyroid Cats

Chaitman J., Hess R., Senz R., et al. J Vet Intern Med, 1999. 13: p.242 (abstract). This study describes a population of cats with a histologic diagnosis of thyroid adenomatous hyperplasia (TAH) with normal serum thyroxine concentrations and the absence … Read More

Hyperthyroidism: Incidence in the Cat

Kraft W. and Buchler F. Tierarztl Prax, 1999. 27: p.386.   20 cases of feline hyperthyroidism are reported. The examinations were performed during 13 years. The hyperthyroid cats were diagnosed of about 23,000 cats examined in two internal veterinary clinics … Read More

Molecular Mechanisms of Feline Hyperthyroidism

Ward C.R. Conference Proceedings, (1999). American College of Veterinary Internal Medicine, Chicago, IL: p.557-558   Hyperthyroidism is the most common endocrinopathy in cats, affecting a large percentage of middle to older aged cats. Since its recognition as a clinical entity … Read More

Endocrinopathies. Thyroid and Adrenal Disorders

Merchant S.R. and Taboada J. Vet Clin North Am Small Anim Pract, 1997. 27(6): p.1285-303.   This article focuses on common adrenal and thyroid diseases in the geriatric patient consisting of hypothyroidism in the dog, hyperthyroidism in the cat, and … Read More

Ipodate Treatment of Hyperthyroidism in Cats

Murray L.A. and Peterson M.E. J Am Vet Med Assoc, 1997. 211(1): p.63-7.   OBJECTIVE: To evaluate the efficacy and safety of ipodate in the treatment of hyperthyroidism in cats. DESIGN: Prospective case series. ANIMALS: 12 cats with hyperthyroidism treated … Read More

Study of Calcium Homeostasis in Feline Hyperthyroidism

Barber P.J. and Elliott J. J Small Anim Pract, 1996. 37(12): p.575-82.   Thirty cats with untreated hyperthyroidism were blood sampled and their calcium homeostatic mechanisms and renal function assessed. The results were compared with those obtained from 38 age-matched … Read More

Hyperthyroid Cats: Complications of the Disease and Our Therapy

Rush J.E. Conference Proceedings, (1996). International Veterinary Emergency and Critial Care Symposium, San Antonio, TX: p.141-145   Feline hyperthyroidism results from excessive circulating levels of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). Hyperthyroidism, the most frequently occurring endocrine disorder … Read More

Decision Making in the Treatmment for Hyperthyroidism in Cats

Mooney C. In Practice, 1996. 18(4): p.150-156.   FELINE hyperthyroidism is a frequently encountered disorder with which practitioners are now familiar. Currently, there are three methods of treatment for the hyperthyroid cat. This article looks at the advantages and disadvantages … Read More

Spontaneous Hashimoto-Like Thyroiditis in Cats

Schumm-Draeger P.M., Langer F., Caspar G., et al. Verh Dtsch Ges Pathol, 1996. 80: p.297-301.   A breeding line of domestic cats spontaneously developing symptoms of hypothyroidism between the 40th and 60th day of life (fur changes, loss of appetite, … Read More

Radioiodine Treatment of 524 Cats with Hyperthyroidism

Peterson M.E. and Becker D.V. J Am Vet Med Assoc, 1995. 207(11): p.1422-8.   OBJECTIVE–To evaluate a protocol for subcutaneous radioiodine treatment of cats with hyperthyroidism in which the dose was determined on the basis of severity of the cat’s … Read More

Somatic Mutations Causing Constitutive Activity of the Thyrotropin Receptor Are the Major Cause of Hyperfunctioning Thyroid Adenomas: Identification of Additional Mutations Activating Both the Cyclic Adenosine 3′,5′-Monophosphate and Inositol Phosphate-Ca2+ Cascades

Parma J., Van Sande J., Swillens S., et al. Mol Endocrinol, 1995. 9(6): p.725-33.   A series of somatic mutations of the TSH receptor gene have been demonstrated in hyperfunctioning thyroid adenomas. The mutations studied up to now cause constitutive … Read More

Pseudochylous Thoracic Effusion and Hyperthyroidism in a Cat

Cowell R.L. Modern Veterinary Practice, 1985. 13(6): p.309-312. Hyperthyroidism should be considered in cats that eat well yet lose weight. Excessive concentrations of circulating thyroid hormones are usually due to functional thyroid adenomas (adenomatous hyperplasia). However, thyroid carcinomas also occur … Read More

Dietary Iodine Level and Thyroid Function in the Cat

Tarttelin M.F. and Ford H.C. J Nutr, 1994. 124(12 Suppl): p.2577S-2578S. Feline hyperthyroidism was rarely reported until 1979 (Peterson 1984), but is now diagnosed frequently and is considered a common clinical condition in the cat. Hyperthyroidism is usually associated with … Read More

Immunity and the Endocrine System

Greco D.S. and Harpold L.M. Vet Clin North Am Small Anim Pract, 1994. 24(4): p.765-82.   In conclusion, interaction between the immune and endocrine systems is highly complex. Generally, abnormalities of T suppressor cells, a result of HLA antigen genetic … Read More

Diagnostic Tests for Feline Hyperthyroidism

Graves T.K. and Peterson M.E. Vet Clin North Am Small Anim Pract, 1994. 24(3): p.567-76.   Until recently, the diagnosis of hyperthyroidism in cats was thought to be simple; however, not all cases of the disease are straightforward. Although single … Read More

Update on Diagnosis of Canine Hypothyroidism

Ferguson D.C. Vet Clin North Am Small Anim Pract, 1994. 24(3): p.515-39.   Until a clinically useful canine TSH assay is available, a valid test of thyroid hypofunction should (1) take into consideration valid (or at least predictive) measurement of … Read More

Considerations in the Treatment of Feline Hyperthyroidism

Kintzer P.P. Vet Clin North Am Small Anim Pract, 1994. 24(3): p.577-85.   Feline hyperthyroidism can be treated with long-term antithyroid drug administration, surgical thyroidectomy, or radioactive iodine. This article discusses the advantages of each of these treatment options and … Read More

Epidemiology of Thyroid Diseases of Dogs and Cats

Scarlett J.M. Vet Clin North Am Small Anim Pract, 1994. 24(3): p.477-86.   Data regarding the epidemiology of the thyroid diseases in companion animals are sparse. Published studies providing information regarding the epidemiology of canine hypothyroidism and thyroid neoplasia and … Read More

Reproductive Manifestations of Thyroid Disease

Johnson C.A. Vet Clin North Am Small Anim Pract, 1994. 24(3): p.509-14.   Thyroid function and reproductive function have many interactions, the scope and mechanism of which are not fully understood. These functions are of greatest clinical importance for veterinarians … Read More

Neurologic Manifestations of Thyroid Disease

Jaggy A. and Oliver J.E. Vet Clin North Am Small Anim Pract, 1994. 24(3): p.487-94.   Animals with polyneuropathy associated with primary hypothyroidism have clinical neurologic signs that range from peripheral vestibular signs, lower motor neuronal deficits, laryngeal paralysis, to … Read More

Surgical Therapy of the Thyroid

Flanders J.A. Vet Clin North Am Small Anim Pract, 1994. 24(3): p.607-21.   The surgical treatment of thyroid cancer in the cat involves excision of one or both thyroid glands while sparing at least one parathyroid gland. The most common … Read More

Spontaneous Systemic Hypertension in 24 Cats

Littman M.P. J Vet Intern Med, 1994. 8(2): p.79-86.   Twenty-four cats with spontaneous systemic hypertension were retrospectively studied. Blood pressure (BP) was measured indirectly by the Doppler technique in 17 cats (mean systolic 219.4 +/- 43.2 mm Hg) and … Read More

Ocular Disease Associated with Hypertension in 16 Cats

Sansom K.C. J Small Anim Pract, 1994. 35(12): p.604-611.   Between 1990 and 1993, 16 cats were referred with acute onset blindness or intraocular haemorrhage. Blood pressure assessment, using the Doppler ultrasonic recording technique in 11 of the cats, proved … Read More

Spontaneous Adult-Onset Hypothyroidism in a Cat

Rand J.S., Levine J., Best S.J., et al. J Vet Intern Med, 1993. 7(5): p.272-6.   Spontaneous adult-onset hypothyroidism, confirmed by a thyroid-stimulating hormone stimulation test, thyroid biopsy, and response to replacement therapy, is described in a female cat. Clinical … Read More

Diagnosis and Treatment of Feline Hyperthyroidism

Birchard S.J. Feline Practice, 1993. 21(2): p.23-26.   Hyperthyroidism, a multisystem disorder, should be fully understood by the clinician before anesthesia and surgery is attempted. Thyroid tumors in the cat are usually benign and are functional. Malignant thyroid tumors in … Read More

Carbimazole Therapy of Feline Hyperthyroidism

Mooney C.T., Thoday K.L. and Doxey D.L. Journal of Small Animal Practice, 1992. 33: p.228-235.   The efficacy and safety of carbimazole (CBZ) was studied in a series of 45 hyperthyroid cats. CBZ was used before surgical thyroidectomy in 34 … Read More

Plasma Lipoprotein Metabolism in Feline Hyperthyroidism

Watson T., Mooney C.T., Packard C.J., et al. Conference Proceedings, (1992). British Small Animal Veterinary Association:   The plasma lipid transport system is extremely sensitive to modification by the thyroid hormones. This is best illustrated by the changes in plasma … Read More

Iodine Content of Commercially-Prepared Cat Foods

Johnson L.A., Ford H.C., Tarttelin M.F., et al. N Z Vet J, 1992. 40(1): p.18-20.   Twenty-eight varieties of commercially-available cat food (23 canned, 5 dried) were analysed for iodine. The iodine concentration varied from less than 0.37 micromol/kg to … Read More

Thyroid Growth Immunoglobulins in Feline Hyperthyroidism

Brown R.S., Keating P., Livingston P.G., et al. Thyroid, 1992. 2(2): p.125-30.   Feline hyperthyroidism bears a strong clinical and pathologic resemblance to toxic nodular goiter in humans. To evaluate whether the observed thyroid growth might be due to circulating … Read More

Diagnosis and Treatment of Occult Hyperthyroidism in Cats

Graves T.K. and Peterson M.E. Conference Proceedings, (1992). Proceedings of the waltham symposium for the treatment of small animal diseases: endocrinology, 15th annual symposium held in cooperation with the ohio state university: p.97-102

Hyperthyroidism in Cats

Salisury S.K. The Compendium North American Edition, 1991. 13(9): p.1399-1410.   HYPERTHYROIDISM is a common disease of older cats. I. Because of the apparent increased frequency of feline hyperthyroidism in recent years, practitioners should be familiar with the clinical presentation, … Read More

Functional Analysis of Ectopic Parathyroid Activity in Cats

Flanders J.A., Neth S., Erb H.N., et al. Am J Vet Res, 1991. 52(8): p.1336-40.   The ability of ectopic parathyroid tissue to support calcium homeostasis was evaluated by measuring serum concentrations of calcium, phosphorus, albumin, magnesium, and parathyroid hormone … Read More

Thyroidectomy and Parathyroidectomy in the Dog and Cat

Birchard S.J. Probl Vet Med, 1991. 3(2): p.277-89.   Thyroidectomy has become a fairly common surgical procedure in small animals because of the increasing incidence of thyroid tumors. Surgical removal of the thyroid gland can be routine or quite challenging, … Read More

Radio-Iodine Treatment of Hyperthyroid Cats

Jones B.R., Cayzer J., Dillon E.A., et al. N Z Vet J, 1991. 39(2): p.71-4.   Thirty-two elderly domestic shorthaired cats (mean age 12.9 years) were treated with radioiodine (131I). The dose of 131I administered ranged from 39 mBq to … Read More

Diagnosis of Occult Hyperthyroidism in Cats

Graves T.K. and Peterson M.E. Probl Vet Med, 1990. 2(4): p.683-92.   As expertise among small animal practitioners grows, feline hyperthyroidism is being diagnosed earlier in the course of the disease. There are, in fact, a growing number of cats … Read More

Evaluation of Thyroid Scintigraphy in Small Animals

Kaneko M., Kobayashi T., Takano H., et al. Radioisotopes, 1989. 38(8): p.344-6.   Thyroid scintigraphy in rats and mice with 99mTc and 123I was attempted to examine whether this modality might be used in small animals and to describe the … Read More

Thyroidal Radioiodine Uptake in Hyperthyroid Cats

Sjollema B.E., Pollak Y.W., Van Den Brom W.E., et al. Vet Q, 1989. 11(3): p.165-70.   Thyroidal radioiodine uptake was measured in 10 healthy domestic cats and in 20 hyperthyroid cats. Compared with those in the healthy cats, the uptake … Read More

Familial Predisposition in Feline Hyperthyroidism

Luttikhuis L. Can Vet J, 1989. 30(5): p.437. Hyperthyroidism is the most commonly diagnosed endocrinopathy in the cat. Overproduction of the thyroid hormones, triiodothyronine [T3] and thyroxine [T4], is attributable to thyroid adenoma in more than 95% of cases. Locally an … Read More

Impairment of Glucose Tolerance in Hyperthyroid Cats

Hoenig M. and Ferguson D.C. J Endocrinol, 1989. 121(2): p.249-51.   Intravenous glucose tolerance tests were performed in eight adult cats before and after a 4-week treatment with thyroxine. The untreated cats had a mean fasting blood glucose concentration of … Read More

Recognizing the Clinical Features of Feline Hyperthyroidism

1989/ Recognizing the Clinical Features of Feline Hyperthyroidism Meric S.M. Veterinary Medicine, 1989. 84: p.954-981. The syndrome of feline hyperthyroidism, first recognized just 10 years ago, has become a very common disease in the aging cat population. Small-animal veterinarians can … Read More

Autoantibodies in Feline Hyperthyroidism

Kennedy R.L. and Thoday K.L. Res Vet Sci, 1988. 45(3): p.300-6.   Thyroid autoantibodies have been demonstrated by indirect immunofluorescence in the sera of 10 of 29 (34 per cent) cats with hyperthyroidism. Antinuclear factor, rare in healthy cats, was … Read More

Ecg of the Month. Sinus Rhythm with Complete Heart Block

Ecg of the Month. Sinus Rhythm with Complete Heart Block Jacobs G.J. and Otto C. J Am Vet Med Assoc, 1988. 193(3): p.316-7. A 10-year-old castrated male domestic longhair cat with hyperthyroidism was referred for radioactive iodine (131I) treatment. Treatment … Read More

Echocardiographic Findings in 103 Cats with Hyperthyroidism

Bond B.R., Fox P.R., Peterson M.E., et al. J Am Vet Med Assoc, 1988. 192(11): p.1546-9.   Using M-mode echocardiography, cardiac abnormalities were studied in 103 cats with untreated hyperthyroidism. In addition, follow-up echocardiography was performed on 24 of these … Read More

Feline Hyperthyroidism–A Review

Labuc R.H. and Jones B.R. N Z Vet J, 1988. 36(2): p.77-81.   Feline hyperthyroidism is the name given to the multisystemic manifestation of excessive concentrations of circulating thyroid hormones, thyroxine (T4) and tri-iodothyronine (T3). The most common cause is … Read More

Assessing Degree of Hyperthyroidism in Cats

Hays M.T., Turrel J.M. and Broome M.R. J Am Vet Med Assoc, 1988. 192(1): p.7.   Dear Sir: The thyroid hormones, thyroxine (T4) and 3,3′,5- tri-iodothyronine (T3), are known to be tightly bound by plasma pro- teins. It is widely … Read More

Treatment of Feline Hyperthyroidism with Radioactive Iodine

Chambers M. The Southwestern Veterinarian, 1987. 38(1): p.37-42. Feline hyperthyroidism Is a recently recognized syndrome of thyrotoxicosis resulting from the hypersecretion of the thyroid hormones, thyroxine (T4), and triiodothyronine (T3I). The syndrome is usually seen in older cats and Is … Read More

Treatments for Hyperthyroidism

Ferguson D. Feline Health Topics for Vets, 1986. 1(2): p.1-6. The specific cause(s) of feline hyperthyroidism is not known. Spontaneous remission, with out the use of some type of medical or surgical treatment, does not occur. Consequently, the aim of … Read More

Feline Hyperthyroidism

Peterson M.E. Carnation Research Digest, 1985. 21: p.1-14.   Hyperthyroidism is a multisystemic disorder resulting from excessive circulating concentrations of the thyroid hormones, thyroxine (T4) and triiodothyronine (T3). Feline hyperthyroidism occurs in the middle- to old-aged cats. There is no … Read More

Diagnosis and Treatment of Feline Hyperthyroidism

Peterson M.E. Texas Veterinary Medical Journal, 1985. 47: p.19-25.   Hyperthyroidism (thyrotoxicosis) is a multisystemic disorder resulting from excessive circulating concentrations of the thyroid hormones, thyroxine (T4) and triiodothyronine (T3). Feline hyperthyroidism occurs in middle- to old-aged cats; there is … Read More

Feline Hyperthyroidism

Feline Hyperthyroidism Peterson M.E. Vet Clin North Am Small Anim Pract, 1984. 14(4): p.809-26. Hyperthyroidism is a disorder resulting from excessive circulating concentrations of the thyroid hormones, thyroxine (T4) and triiodothyronine (T3) . Normally, circulating concentrations of these hormones lie … Read More

Anesthetic and Surgical Management of Endocrine Disorders

Peterson M.E., Birchard S.J. and Mehlhaff C.J. Vet Clin North Am Small Anim Pract, 1984. 14(4): p.911-25. Dogs and cats with underlying endocrine disease are frequently encountered as surgical candidates. The management of animal with diabetes mellitus, hypoadrenoeortieism, hyperthyroidism, hyperadrenoeortieism, … Read More

Etiopathology of Feline Toxic Nodular Goiter

Gerber H., Peter H., Ferguson D.C., et al. Vet Clin North Am Small Anim Pract, 1994. 24(3): p.541-65.   We have discussed the etiopathology of feline toxic nodular goiter in the context of human nodular goiter pathogenesis. We have reviewed … Read More

Radioactive Iodine Therapy in Cats with Hyperthyroidism

Turrel JM, Feldman EC, Hays M, et al. J Am Vet Med Assoc, 1984. 184(5): p. 554-9. Eleven cats with hyperthyroidism were treated with radioactive iodine (131I). Previous unsuccessful treatments for hyperthyroidism included hemithyroidectomy (2 cats) and an antithyroid drug … Read More

Radionuclide Thyroid Imaging in 135 Cats with Hyperthyroidism

Peterson M.E. and Becker D.V. Veterinary Radiology & Ultrasound, 1984. 25(1): p.23-27.   Thyroid scanning was performed in 135 hyperthyroid cats and 13 normal cats with technetium-99m as pertechnetate (99mTcO4) or with radioactive iodine (131I). Of the hyperthyroid cats, enlargement … Read More

Hyperthyroidism in Cats

Olsen C. Modern Veterinary Practice, 1983. p.649-652.   Hyperthyroidism in cats can be caused by tumors (often malignant) or cranial mediastinal accessory thyroid tissue. Middle-aged cats with insidious onset of hyperactivity, rough haircoat, weight loss, polyphagia, polyuria and polydipsia are … Read More

Treatment of Canine and Feline Hypoparathyroidism

Peterson M.E. J Am Vet Med Assoc, 1982. 181(11): p.1434-1436. Vitamin D and parathyroid hormone play important roles in maintaining normal circulating concentrations of calcium and phosphorus. Vitamin D is obtained from dietary sources and produced endogenously from precursors in the … Read More

Electrocardiographic Findings in 45 Cats with Hyperthyroidism

Peterson M.E., Keene B., Ferguson D.C., et al. J Am Vet Med Assoc, 1982. 180(8): p.934-7.   Electrocardiographic (ECG) abnormalities were recorded in 36 (80%) of 45 cats with untreated hyperthyroidism caused by hyperfunctioning thyroid adenomas (adenomatous hyperplasia). Tachycardia (greater … Read More

Toxic Nodular Goitre in the Cat

Hoenig M., Goldschmidt M.H., Ferguson D.C., et al. J Small Anim Pract, 1982. 23(1): p.1-12. Hyperthyroidism was diagnosed in 24 aged cats and was characterized by palpable enlargement of the thyroid gland, high circulating levels of thyroid hormones, increased thyroidal … Read More

Treatment of Four Cases: Feline Hyperthyroidism

Mcmillan F.D. Feline Practice, 1981. 11(5): p.25-32.   The following four cases Illustrate the major methods of treatment of feline hyperthyroidism and provide some Insight Into possible sequelae. They are not, however, Intended to provide definitive conclusions regarding the treatment. … Read More

Weight Loss in Cats Which Eat Well

Watson A.D., Church D.B., Middleton D.J., et al. J Small Anim Pract, 1981. 22(7): p.473-82. Four cats were investigated because they lost weight while eating well. One cat was found found to have hypoinsulinaemic diabetes mellitus, and another has maldigestion caused by … Read More

Unilateral Thyroid Neoplasm in a Cat

O’brien S.E., Riley J.H. and Hagemoser W.A. Vet Rec, 1980. 107(9): p.199-200.   An aged cat with a thyroid neoplasm showed clinical signs and had laboratory data and post mortem findings similar to those observed in human and canine patients … Read More

Feline Hyperthyroidism: Further Definition.

Peterson M.E., Becker D.V. and Hurley J.R. Conference Proceedings, (1980). American College of Veterinary Internal Medicine:   Spontaneous hyperthyroidism resulting from toxic nodular goiter was studied in 28 cats aged 9-18 years. Clinical signs included weight loss, polyphagia, nervousness, hyperdefecation, … Read More

Hyperthyroidism in the Cat: Ten Cases

Holzworth J., Theran P., Carpenter J.L., et al. J Am Vet Med Assoc, 1980. 176(4): p.345-53.   In ten neutered crossbred cats 10 to 14 years old and of both sexes, hyperthyroidism was evidenced by hyperactivity, weight loss despite increased … Read More

ECG of the Month: Hyperthyroidism in a Cat

Keene B. and Peterson M.E. J Am Vet Med Assoc, 1980. 176(8): p.712-714. A 13-year-old male castrated domestic short-haired cat was presented for examination because of nervousness, weight loss, polyphagia, voluminous feces, and shortness of breath.

Feline Anaplastic Giant Cell Adenocarcinoma of the Thyroid.

Patnaik A.K. and Lieberman P.H. Vet Pathol, 1979. 16(5): p.687-692.   An 8-year-old castrated, male, domestic short-haired cat had anaplastic giant cell adenocarcinoma in the thyroid gland. The cat had difficulty in breathing and swallowing because of a rapidly growing … Read More

Spontaneous Hyperthyroidism in the Cat.

Peterson M.E., Johnson J.G. and Andrews L.K. Conference Proceedings, (1979). American College of Veterinary Internal Medicine, Seattle: p.108   Spontaneous hyperthyroidism due to functional thyroid adenomas was diagnosed in 5 cats ranging in age from 11 to 15 years. Clinical … Read More

Adenomas and Carcinomas of the Canine and Feline Thyroid.

Leav I., Schiller A.L., Rijnberk A., et al. Am J Pathol, 1976. 83(1): p.61-122. NEOPLASMIS OF THE HUMNAN- THYROID are a well-studied clinical and pathologic entity. Numerous publications have dealt with their histologic classification and biology. Comparable data concerning thyroid … Read More

Hypothyroidism

Mccallum P. Feline Practice, 1974. p.25. Do you have any information on laboratory tests for determination of hypothyroidism and the normal thyroid values in the cat? I also need information on medication and dosage for correction of hypothyroidism. Very little work … Read More

Adenocarcinoma of the Thyroid Gland in a Cat.

Johnson K.H. and Osborne C.A. J Am Vet Med Assoc, 1970. 156(7): p.906-912. A papillary cystadenocarcinoma of the thyroid gland was encountered in a 20 year-old-spayed female Siamese cat. Attempts to treat the neoplasm by surgical extirpation were unsuccessful. The … Read More

An Histological Study of Thyroid Abnormalities in the Domestic Cat

Lucke V.M. J Small Anim Pract, 1964. 5(4): p.351-358.   Abstract—The thyroid gland in seventy-five cats has been examined. Abnormalities are by no means uncommon and cases of adenomas, adenomatous goitre, colloid goitre, carcinoma and amyloidosis are described.

Arterial Thrombosis and Thyroid Carcinoma in a Cat

Holzworth J., Husted P. and Wind A. Cornell Vet, 1955. 45(4): p.487-96. On 15 Sep 1954 a 15-year-old castrated male tabby was admitted at the Angell Memorial Hospital in acute distress. It had been resting quietly shortly before, when it … Read More