title: [Malignant hemangiopericytoma: a rare primary retroperitoneal tumor].
abstract: A case of malignant retroperitoneal hemangiopericytoma is described. The infrequency of the retroperitoneal mesenchymatous origin, specific anatomopathological criteria of malignity, constant hypervascularization as well as clinico-radiological, surgical and prognostic characteristics found in the literature are highlighted.
authors.affiliation: Servicio de Urología y Unidad de Trasplante Renal, Hospital Clínico, Universidad de Barcelona.
authors.forename: J A
authors.initials: JA
authors.lastname: Romero Martín
authors.forename: M A
authors.initials: MA
authors.lastname: Barranco Sanz
authors.forename: R
authors.initials: R
authors.lastname: Alvarez-Vijande
authors.forename: R
authors.initials: R
authors.lastname: Gutiérrez del Pozo
authors.forename: J
authors.initials: J
authors.lastname: Ordi
authors.forename: P
authors.initials: P
authors.lastname: Carretero González
mesh_terms: D000368:Aged; D006393:Hemangiopericytoma / Q000473:pathology; D006801:Humans; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000473:pathology
vernacular_title: Hemangiopericitoma maligno: un raro tumor retroperitoneal primario.