Brain Infarction – Hemorrhagic

Etiology Hemorrhagic infarctions (otherwise known as intracerebral hemorrhage or cerebral bleed) are the result of spontaneous hemorrhage within the brain. Underlying conditions that predispose to hemorrhagic infarctions include hypertension, aneurysms and brain tumors. Hemorrhagic infarctions differ from nonhemorrhagic infarctions (otherwise called ischemic … Read More

Ectopic Ureter

Etiology Ectopic ureters are a congenital condition that occur when the embryonic mesonephric and metanephric duct systems do not develop normally. The metanephric duct eventually develops into the ureter. In patients with ectopic ureters, the metanephric duct originates in an abnormal location or migrates in … Read More


Etiology Hydranencephaly is a congenital malformation of the brain in which the cerebral hemisphere(s) are absent to varying degrees. Hydranencephaly is an extreme form of porencephaly, a condition in which large cystic regions develop within the cerebral hemispheres.  Pathophysiology The abnormal … Read More

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