Author: Andrew J. Yee, M.D., Posted on Wednesday, August 04 @ 00:00:00 IST by RxPG  

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ZAHN, INFARCT OF
in occlusion of an intrahepatic branch of portal vein, sharply demarcated area of red-blue discoloration, not infarct, not necrosis, only marked stasis in distended sinusoids, with secondary hepatocellular atrophy

ZAHN, LINES OF
thrombi formed within a cardiac chamber or the aorta, may have apparent laminations, produced by alternating layers of paler platelets admixed with some fibrin, separated by darker layers containing more red cells



ZENKER'S DIVERTICULUM
a pharyngeal diverticulum from premature contraction of the cricopharyngeus muscle on swallowing, leads to progressive UES narrowing, leading to a posteriorly directed hypopharynx; causes progressive food stasis and dysphagia

ZOLLINGER-ELLISON SYNDROME
hallmark, circulating hypergastrinemia; gastric acid hypersecretion and severe peptic ulcer diathesis secondary to unbridled release of gastrin from a gastrinoma; associated with peptic ulcers and diarrhea; 60% malignant, only 20% resectable; 25% of gastrinoma patients have MEN I; >80% of gastrinomas found in gastrinoma triangle


Note: Eponyms Database Author: Andrew J. Yee, M.D. (website: eponyms.net)

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