title: [Malignant fibrous histiocytoma of the retroperitoneum: a complicated diagnosis].
authors.forename: R
authors.initials: R
authors.lastname: Gómez de la Torre
authors.forename: A
authors.initials: A
authors.lastname: Triviño
authors.forename: M
authors.initials: M
authors.lastname: Pozuelo Manchón
authors.forename: S
authors.initials: S
authors.lastname: Rubio Barbón
mesh_terms: D017809:Fatal Outcome; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000473:pathology*
vernacular_title: Histiocitoma fibroso maligno del retroperitoneo: un diagnóstico complicado.