title: Hemangiopericytoma: case reports.
abstract: The authors' experience with two recent cases and their review of the literature suggest that the behaviour of hemangiopericytoma is unpredictable and that wide surgical excision is the treatment of choice because of the potential for malignant change.
mesh_terms: D000293:Adolescent; D000328:Adult; D006393:Hemangiopericytoma / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D008297:Male; D009383:Neoplasms, Vascular Tissue / Q000175:diagnosis / Q000601:surgery*