title: Extraosseous retroperitoneal Ewing's sarcoma.
abstract: Ewing's sarcoma/primitive neuroectodermal tumour (ES/PNET) belongs to the group of paediatric small round blue-cell tumours. ES/PNET is classically a tumour of the soft tissue or bone in children and young adults. The case of a 21-year-old woman with a retroperitoneal localisation of Ewing's sarcoma is described.
authors.affiliation: Departamento de Cirugia General y Digestiva, Hospital Ramón y Cajal, Madrid, Spain. plpunisa@mixmail.com
authors.forename: F
authors.initials: F
authors.lastname: García-Moreno Nisa
authors.forename: P
authors.initials: P
authors.lastname: López Quindos
authors.forename: D
authors.initials: D
authors.lastname: García Teruel
authors.forename: R
authors.initials: R
authors.lastname: Beni Pérez
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis / Q000601:surgery; D012512:Sarcoma, Ewing / Q000175:diagnosis / Q000601:surgery