Hemangiopericytoma: an unusual cause of upper gastrointestinal hemorrhage.

Abstract

Hemangiopericytomas, first described in 1942, are rare, highly vascular neoplasms that arise from capillary pericytes. They are seen most commonly as a painless mass arising from the lower extremity but can also originate in the pelvic retroperitoneum and on the head, neck, chest, and abdomen. An unusual case is reported here of a patient presenting with… (More)

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