Extra- and Intrasplenic Artery Aneurysms in Portal Hypertension

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Abstract
Extra- and intrasplenic arterial aneurysms are occasionally encountered in cases of portal hypertension with and without cirrhosis. The exact pathogenesis is speculative. Hyperkinetic splenic circulation, probably related to hepatic arterial insufficiency or hypoplasia, may constitute the primary pathogenic mechanism. Other factors such as splenomegaly and hormonal influence may be contributory.

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