title: [Intra-abdominal hemangiopericytoma. Presentation of 5 cases and review of the literature].
abstract: Intra-abdominal hemangiopericytomas are rare lesions, accounting of only 10% of all hemangiopericytomas. A total of five cases are reviewed: two malignant gastric lesions, two intraperitoneal malignancies, and one "benign" pancreatic lesion with a malignant hepatic recurrence. The images obtained by ultrasonographic and CT studies corresponded either to predominantly cystic or to solid lesions. Aside from the 50% of hemangiopericytomas that are malignant from the outset, the major problem with such lesions is the uncertain nature of their natural course.
authors.affiliation: Centre Antoine-Lacassagne, Service de Radiodiagnostic, Romaine, Nice.
authors.forename: J N
authors.initials: JN
authors.lastname: Bruneton
authors.forename: P
authors.initials: P
authors.lastname: Mazarguil
authors.forename: F
authors.initials: F
authors.lastname: Normand
authors.forename: C
authors.initials: C
authors.lastname: Balu-Maestro
authors.forename: P
authors.initials: P
authors.lastname: Kerboul
authors.forename: B
authors.initials: B
authors.lastname: Padovani
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006393:Hemangiopericytoma / Q000175:diagnosis* / Q000556:secondary; D006801:Humans; D007414:Intestinal Neoplasms / Q000175:diagnosis*; D008113:Liver Neoplasms / Q000556:secondary; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis*; D013274:Stomach Neoplasms / Q000175:diagnosis*
vernacular_title: Hémangiopéricytome intra-abdominal. Présentation de 5 cas et revue de la littérature.