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

Comparison of in-clinic point-of-care and reference laboratory total thyroxine immunoassays for diagnosis and post-treatment monitoring of hyperthyroid cats

Peterson ME, Rishniw M, Bilbrough GE, et al. J Feline Med Surg 2017:1098612×17708918. Objectives The Catalyst One Chemistry Analyzer (IDEXX Laboratories) is a point-of-care instrument that can measure total thyroxine (TT4) by immunoassay. The aims of this study were to … Read More

Evaluation of Thyroid to Background Ratios and Comparison of Various Scintigraphic Measurements and Their Correlation to Serum T4 in Hyperthyroid Cats

Bettencourt A, Daniel GB, Panciera D, et al. Vet Radiol Ultrasound 2016;57:290-298. Thyroid-to-salivary ratio and percent dose uptake are the most widely recognized scintigraphic measurements. Recently, the thyroid-to-background ratio has been proposed as an alternate method. However, this method has … 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 ME, Guterl JN, Rishniw M, et al. Veterinary Radiology & Ultrasound 2016;57:427-440. 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 degree of thyroid … Read More

Imaging Diagnosis—Nuclear Scintigraphic, Radiological, And Pathologic Characteristics Of Metastatic Pilomatricoma In A Dog

Ruff CF, Lim CK, Ramos-Vara JA, et al. Veterinary Radiology & Ultrasound 2016;57:E58-E62. A 6-year-old castrated Goldendoodle dog was presented for left-sided lameness of 3 weeks’ duration. Focal, moderate to marked increased 99mTc-methylene diphosphonate (99mTc-MDP) uptake was detected in the … Read More

The Effect Of Methimazole Treatment For Feline Hyperthyroidism On The Ct Appearance Of The Thyroid Glands In Cats.

Bush JL, Nemanic S, Gordon J. in Scientific Proceedings (Abstract). American College of Veterinary Radiology 2014. Introduction/Purpose: Hyperthyroidism is diagnosed based on clinical signs and elevated serum total thyroxine (TT4) levels. Imaging diagnosis is made with nuclear scintigraphy, and recently … Read More

Effects Of Hydration On Scintigraphic Glomerular Filtration Rate Measured Using Integral And Plasma Volume Methods In Dogs With Suspected Renal Disease

Westgren F, Ley CJ, Kampa N, et al. Veterinary Radiology & Ultrasound 2014;55:632-637. The current standard scintigraphic method for estimating glomerular filtration rate (GFR) in dogs is the integral method, which normalizes renal GFR to body weight. The plasma volume … Read More

Comparison Between Computed Tomography And 99m Tc- Pertechnetate Scintigraphy Characteristics Of The Thyroid Gland In Cats With Hyperthyroidism

Lautenschlaeger IE, Hartmann A, Sicken J, et al. Veterinary Radiology & Ultrasound 2013;54:666-673. Scintigraphy is currently the reference standard for diagnosing feline hyperthyroidism; however, computed tomography (CT) is more widely available in veterinary practice. The purposes of this prospective study … Read More

Hyperthyroid Cats on Long-Term Medical Treatment Show a Progressive Increase in the Prevalence of Large Thyroid Tumors, Intrathoracic Thyroid Masses and Suspected Thyroid Carcinoma

Peterson ME, Broome MR. in Conference Proceedings. ECVIM 2012. Thyroid scintigraphy provides valuable information regarding both thyroid anatomy and physiology and plays an integral role in the diagnosis, staging, and management of feline thyroid disease. In this study, we performed … Read More

Comparison of glomerular filtration rate determined by use of single-slice dynamic computed tomography and scintigraphy in cats

Schmidt DM, Scrivani PV, Dykes NL, et al. Am J Vet Res 2012;73:463-469. Objective-To compare estimation of glomerular filtration rate determined via conventional methods (ie, scintigraphy and plasma clearance of technetium Tc 99m pentetate) and dynamic single-slice computed tomography (CT). … Read More

Quantitative pertechnetate thyroid scintigraphy and the ultrasonographic appearance of the thyroid gland in clinically normal horses

Davies S, Barber D, Crisman M, et al. Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association 2010;51:674-680. We characterized the scintigraphic and sonographic appearance of the thyroid … Read More

Ultrasonographic Appearance Of The Intravascular Transit Of Agitated Saline In Normal Dogs Following Ultrasound Guided Percutaneous Splenic Injection

GÓMez-Ochoa P, LlabrÉS-DÍAz F, Ruiz S, et al. Veterinary Radiology & Ultrasound 2010;51:523-526. Portosystemic shunts (PSSs) allow portal blood to bypass the liver and enter the systemic circulation. Definitive diagnosis requires surgical identification, positive contrast portography, ultrasonography, or scintigraphy. This … Read More

Focal skeletal muscle uptake of 99mTechnetium-hydroxymethylene diphosphonate following peroneal nerve blocks in horses

Griffin JFt, Young BD, Fosgate GT, et al. Vet Radiol Ultrasound 2010;51:338-343. We have observed focal skeletal muscle uptake of 99mTechnetium-hydroxymethylene diphosphonate (Tc-HDP), which could mimic a tibial lesion, in horses following peroneal nerve blocks. To characterize this observation further, … Read More

Tolbert K, Brown HM, Rakich PM, et al. J Feline Med Surg 2009;11:717-719. A 5-year-old spayed female cat was evaluated for hyperthyroidism based on an elevated free thyroxine (T(4)) measurement and bilaterally enlarged symmetric subcutaneous masses in the area of … Read More

Scintigraphic And Radiographic Evaluation Of Appendicular Skeletal Lesions In Cold-Stunned Kemp’s Ridley Sea Turtles

MAURICIO SOLANO CI, CYNTHIA SMITH, CONSTANCE MERIGO, ERNEST SCOTT WEBER III,. Veterinary Radiology & Ultrasound 2008;49:388-394. Osteolytic appendicular skeletal lesions in eight-stranded, cold-stunned Kemp’s ridley sea turtles (Lepidochelys kempii) were evaluated using radiography and skeletal scintigraphy. Radiographic studies were performed … Read More

Comparison of 99mTcO4(-) trans-splenic portal scintigraphy with per-rectal portal scintigraphy for diagnosis of portosystemic shunts in dogs

Sura PA, Tobias KM, Morandi F, et al. Vet Surg 2007;36:654-660. OBJECTIVE: To evaluate trans-splenic portal scintigraphy (TSPS) and per-rectal portal scintigraphy (PRPS) for diagnosis of congenital portosystemic shunts (CPSS) in dogs, and compare these results with surgical findings. STUDY … Read More

Investigation Of Two Methods For Assessing Thyroid-Lobe Asymmetry During Pertechnetate Scintigraphy In Suspected Hyperthyroid Cats

PETER V. SCRIVANI NLD, RICHARD B. PAGE, HOLLIS N. ERB,. Veterinary Radiology & Ultrasound 2007;48:383-387. Our aim was to investigate thyroid:thyroid (T:T) ratio and visual inspection for assessing thyroid-lobe asymmetry in suspected hyperthyroid cats. Although thyroid2013salivary asymmetry is a preferred … Read More

Evaluation Of Hepatobiliary Scintigraphy As An Indicator Of Hepatic Function In Domestic Pigeons(Columba Livia)Before And After Exposure To Ethylene Glycol

TARAH L. HADLEY GBD, DAVID S. ROTSTEIN, JAMES S. AVENELL, NANCY ZAGAYA, MICHAEL P. JONES,. Veterinary Radiology & Ultrasound 2007;48:155-162. This study investigated the use of quantitative hepatobiliary scintigraphy to assess liver function in 14 white Carneaux pigeons (Columba livia). … Read More

Accuracy of increased thyroid activity during pertechnetate scintigraphy by subcutaneous injection for diagnosing hyperthyroidism in cats

Page RB, Scrivani PV, Dykes NL, et al. Vet Radiol Ultrasound 2006;47:206-211. Our purpose was to determine the accuracy of increased thyroid activity for diagnosing hyperthyroidism in cats suspected of having that disease during pertechnetate scintigraphy using subcutaneous rather than … Read More

Preliminary Evaluation Of 99mtechnetium Diethylenetriamine Pentaacetic Acid, 99mtechnetium Dimercaptosuccinic Acid, And 99mtechnetium Mercaptoacetyltriglycine For Renal Scintigraphy In Corn Snakes (Elaphe Guttata Guttata)

JOHN M. SYKES IV, JUERGEN SCHUMACHER, JAMES AVENELL, et al. Veterinary Radiology & Ultrasound 2006;47:222-227. The efficacy of three radiopharmaceuticals, 99mTc-diethylenetriaminepentaacetic acid (99mTc-DTPA), 99mTc-dimercaptosuccinic acid (99mTc-DMSA), and 99mTc-mercaptoacetyltriglycine (99mTc-MAG3), for renal imaging was examined in 16 corn snakes (Elaphe guttata … Read More

Accuracy Of Increased Thyroid Activity During Pertechnetate Scintigraphy By Subcutaneous Injection For Diagnosing Hyperthyroidism In Cats

RICHARD B. PAGE, PETER V. SCRIVANI, NATHAN L. DYKES, et al. Veterinary Radiology & Ultrasound 2006;47:206-211. Our purpose was to determine the accuracy of increased thyroid activity for diagnosing hyperthyroidism in cats suspected of having that disease during pertechnetate scintigraphy … Read More

Thyroid Scintigraphy

Daniel GB, Brawner WR. Thyroid Scintigraphy In: Daniel GB,Berry CR, eds. Textbook of Veterinary Nuclear Medicine. 2nd ed. Chapel Hill, NC: American College of Veterinary Radiology, 2006;181-198.

Thyroid scintigraphy

Daniel GB, Brawnier WR. Thyroid Scintigraphy In: Daniel GB,Berry CR, eds. Textbook of Veterinary Nuclear Medicine. 2nd ed. Harrisburg, PA: American College of Veterinary Radiology, 2006;181-199.

Renal Scintigraphy

Twardock AR, Bahr A. Renal Scintigraphy In: Daniel GB,Berry CR, eds. Textbook of Veterinary Nuclear Medicine. 2nd ed. Chapel Hill, NC: American College of Veterinary Radiology, 2006;329-352.

Lymphoscintigraphy

Wisner ER, Daniel GB, Hornof WJ. Lymphoscintigraphy In: Daniel GB,Berry CR, eds. Textbook of Veterinary Nuclear Medicine. 2nd ed. Chapel Hill, NC: American College of Veterinary Radiology, 2006;353-362.

Evaluation Of 99mtc-Diethylenetriaminepentaacetic Acid Renal Scintigram Curves In Normal Dogs After Induction Of Diuresis

CHRISTOPHER KUNZE, ANNE BAHR, GEORGE E. LEES. Veterinary Radiology & Ultrasound 2006;47:103-107. The normal 99mTc-diethylenetriaminepentaacetic acid (DTPA) renal scintigram curve has 3 distinct phases; an arterial phase followed by progressive uptake and subsequent excretion from the kidney. In dogs with … Read More

Association of the risk of development of hypothyroidism after iodine 131 treatment with the pretreatment pattern of sodium pertechnetate Tc 99m uptake in the thyroid gland in cats with hyperthyroidism: 165 cases (1990-2002)

Nykamp SG, Dykes NL, Zarfoss MK, et al. J Am Vet Med Assoc 2005;226:1671-1675. OBJECTIVE: To assess whether the risk of development of hypothyroidism after treatment with iodine 131 (131I) was associated with the pattern of sodium pertechnetate Tc 99m … Read More

Effects Of Methimazole On Thyroid Gland Uptake Of 99mtc-Pertechnetate In 19 Hyperthyroid Cats

Anthony J. Fischetti, Wm Tod Drost, Stephen P. DiBartola, et al. Veterinary Radiology & Ultrasound 2005;46:267-272. Nineteen cats with abnormally high serum T4 concentrations underwent thyroid scintigraphy using technetium-99m pertechnetate (99mTcO4) before and after 36±6 days of methimazole administration (approximately … Read More

Comparison of ultrasonography, computed tomography, and single-photon emission computed tomography for the detection and localization of canine insulinoma

Robben JH, Pollak YW, Kirpensteijn J, et al. J Vet Intern Med 2005;19:15-22. Accurate preoperative detection, localization, and staging of the primary tumor and metastases are essential for the selection of appropriate candidates for surgery. In dogs with insulinoma, preoperative … Read More

Portal streamlining as a cause of nonuniform hepatic distribution of sodium pertechnetate during per-rectal portal scintigraphy in the dog

Daniel GB, DeNovo RC, Sharp DS, et al. Vet Radiol Ultrasound 2004;45:78-84. The purpose of this study was to evaluate nonuniform patterns of vascular distribution of pertechnetate in the dog during per-rectal portal scintigraphy. Ninety-two studies were reviewed retrospectively to … Read More

Determination of time of onset and location of early skeletal lesions in young dogs experimentally infected with Hepatozoon americanum using bone scintigraphy

Drost WT, Cummings CA, Mathew JS, et al. Vet Radiol Ultrasound 2003;44:86-91. Canine hepatozoonosis caused by Hepatozoon americanum has periosteal proliferation on long bones, pelvis, vertebrae, and skull. The pathogenesis of the periosteal proliferation is unknown but may be similar … Read More

Computed tomographic appearance of osteochondritis dissecans-like lesions of the proximal articular surface of the proximal phalanx in a horse

Schoenborn WC, Rick MC, Hornof WJ. Vet Radiol Ultrasound 2002;43:541-544. A 6-year-old Thoroughbred gelding presented with a left forelimb lameness. The results of lameness examination, radiography, nuclear scintigraphy, and computed tomography are presented. Based on the diagnostic imaging, subchondral fractures … Read More

Accuracy of magnetic resonance imaging for estimating intramedullary osteosarcoma extent in pre-operative planning of canine limb-salvage procedures

Wallack ST, Wisner ER, Werner JA, et al. Vet Radiol Ultrasound 2002;43:432-441. The objective of this work was to compare the accuracy of radiographs and magnetic resonance imaging (MRI) for estimating appendicular osteosarcoma margins. The accuracy of computed tomography (CT) … Read More

The effect of a combination of medetomidine-butorphanol and medetomidine, butorphanol, atropine on glomerular filtration rate in dogs

Grimm JB, Grimm KA, Kneller SK, et al. Vet Radiol Ultrasound 2001;42:458-462. The effects of intramuscularly administered medetomidine and butorphanol (MB), and medetomidine, butorphanol, atropine (MBA) on glomerular filtration rate (GFR) were determined in six dogs as measured by 99m-Tc-labeled … Read More

Evaluation of interoperator variance in shunt fraction calculation after transcolonic scintigraphy for diagnosis of portosystemic shunts in dogs and cats

Samii VF, Kyles AE, Long CD, et al. J Am Vet Med Assoc 2001;218:1116-1119. OBJECTIVE: To determine interoperator variance in shunt fraction calculation. DESIGN: Case series. SAMPLE POPULATION: 101 transrectal portoscintigraphic studies. PROCEDURE: Results of dynamic portoscintigraphic studies were reviewed … Read More

Use of radiography, computed tomography and magnetic resonance imaging for evaluation of navicular syndrome in the horse

Widmer WR, Buckwalter KA, Fessler JF, et al. Vet Radiol Ultrasound 2000;41:108-116. Radiographic evaluation of navicular syndrome is problematic because of its inconsistent correlation with clinical signs. Scintigraphy often yields false positive and false negative results and diagnostic ultrasound is … Read More

Renal nuclear medicine: a review

Daniel GB, Mitchell SK, Mawby D, et al. Vet Radiol Ultrasound 1999;40:572-587. Renal nuclear medicine is used to evaluate renal function and morphology. Renal scintigraphy is the best imaging modality for evaluation of functional parameters such as glomerular filtration rate … Read More

Assessment of barium impregnated polyethylene spheres (BIPS) as a measure of solid-phase gastric emptying in normal dogs–comparison to scintigraphy

Lester NV, Roberts GD, Newell SM, et al. Vet Radiol Ultrasound 1999;40:465-471. Barium impregnated polyethylene spheres (BIPS) are radiopaque markers used for investigation of a variety of gastrointestinal disorders. One proposed use of the small (1.5 mm) marker is quantitative … Read More

Comparison of gastric emptying times in healthy cats simultaneously evaluated with radiopaque markers and nuclear scintigraphy

Goggin JM, Hoskinson JJ, Kirk CA, et al. Vet Radiol Ultrasound 1999;40:89-95. Gastric emptying in 18 healthy cats was assessed simultaneously using scintigraphy and barium-impregnated polyethylene spheres (BIPS). Canned Prescription Diet Feline c/d (Hill’s Pet Nutrition, Inc., Topeka, KS) labeled … Read More

Evaluation of renal hemodynamics in awake and isoflurane-anesthetized cats with pulsed-wave Doppler and quantitative renal scintigraphy

Mitchell SK, Toal RL, Daniel GB, et al. Vet Radiol Ultrasound 1998;39:451-458. The feasibility and reproducibility of obtaining the pulsed-wave Doppler measurements of resistive index (RI) and pulsatility index (PI) were investigated in intrarenal arteries of normal, nonsedated cats, and … Read More

Technetium-99m And Iodine-131 Thyroid Scintigraphy In Normal And Radiothyroidectomized Cockatiels (Nymphicus Hollandicus)

Harms CA, Hoskinson JJ, Bruyette DS, et al. Veterinary Radiology & Ultrasound 1994;35:473-478. Thyroid scintigraphy using sodium 99mTechnetium pertechnetate (99TcO4-) was performed in normal and radiothyroidectomized cockatiels (Nymphicus hollandicus). 131I scintigraphy was performed in the course of ablating the thyroid … Read More

Comparison Of Per-Rectal Portal Scintigraphy Using 99m Technetium Pertechnetate To Mesenteric Injection Of Radioactive Microspheres For Quantification Of Portosystemic Shunts In An Experimental Dog Model

Daniel GB, Bright R, Monnet E, et al. Veterinary Radiology & Ultrasound 1990;31:175-181. Per-rectal portal scintigraphy using tech-netium-99m pertechnetate (99mTcO4-) was performed in 8 normal dogs before and after surgical creation of a portacaval shunt. Shunt fractions were calculated by … Read More

A Comparison Of Pulmonary Angiography, Digital Subtraction Angiography, And 99m Tc-Dtpa/Maa Ventilation-Perfusion Scintigraphy For Detection Of Experimental Pulmonary Emboli In The Dog

Koblik PD, Hornof W, Harnagel SH, et al. Veterinary Radiology & Ultrasound 1989;30:159-168. The abilities of pulmonary angiography, digital subtraction angiography and ventilation-perfusion scintigraphy (V/Q) to detect experimental acute pulmonary emboli were evaluated in a group of 18 research dogs. … Read More

The Use Of 99mtc Radioaerosol Ventilation And Macroaggregated Albumin Perfusion Imaging For The Detection Of Pulmonary Emboli In The Dog

Harnagel SH, Hornof WJ, Koblik PD, et al. Veterinary Radiology & Ultrasound 1989;30:22-27. This study was undertaken to design protocol for use of radioaerosol of technetium-99m-labeled diethylenetriaminepentacetic acid (99mTc-DTPA) for ventilation imaging as clinical tool in the dog and to … Read More