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[Digestive hemorrhage secondary to segmental portal hypertension: an infrequent cause of hemorrhage].

Isolated obstruction of the splenic vein leads to the appearance of a relatively uncommon form of portal hypertension, the diagnosis of which depends on a high rate of awareness, and it can be successfully treated by splenectomy. A case is described of segmental portal hypertension, with special emphasis on the difficulty of its diagnosis and the measures used. Therapeutic possibilities are commented.