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1 From the Department of Diagnostic Radiology, St. Thomas' Hospital, London, S.E.1, England
The diagnostic features of multiple hydatid cysts of the liver at selective arteriography are described. Two cases were examined by selective celiac axis and superior mesenteric arteriography. Multiple hydatid cysts in the liver produce stretching and elongation of the intrahepatic arteries in the arterial phase, and avascular areas in the hepatogram. Contrast medium distribution between the cyst wall and the pericystic layer in the venous hepatogram phase distinguishes the hydatid cysts from other causes of avascular areas in the liver at arteriography. The differential diagnosis includes: congenital polycystic disease of the liver, avascular metastatic deposits, hematoma of the liver, post-traumatic liver cysts, solitary nonparasitic cysts and pyogenic and amebic liver abscesses.
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