title: [Primary ovarian carcinosarcoma. Report of eight cases].
abstract: BACKGROUND
  The carcinosarcoma, or Mixed Mullerian Malign Tumors, represent 1% of malignant ovarian neoplasm, they are formed by a component epithelium and another mesenquimal malignant both.
  
  
  OBJECTIVE
  Report the experience of the Ginecological Department of the Instituto Nacional de Cancerología (Mexico) in the treatment of patients with ovarian carcinosarcoma or primary malignant of the ovary.
  
  
  METHODS
  A retrospective of 8 cases of carcinosarcoma primary of ovary at National Institute of Cancerology, from January, 2005 to December, 2008.
  
  
  RESULTS
  The carcinosarcoma or Mixed Mullerian Malign Tumors appeared in 4.1% of all the malignant primary tumors of ovary, the clinical initial presentation was with pain and abdominal expansion both in 62.5% and mass palpable and bled vaginal in 25% of the patients. In 2/8 (25%) patients there was achieved a residual tumor minor of 1cm, in 4/8 (50%) cases one administered chemotherapy. In 3/8 (37.5%) they were kept free of disease in the follow-up of 42 months, 1/8 (12.5%) with stable disease and 4/8 (50%) they died for disease.
  
  
  CONCLUSIONS
  Ovarian carcinosarcoma is a rare tumor, the clinical of this neoplasm is aggressive, usually presenting in advanced stages, with a poor prognosis with existing medical treatment.
authors.forename: Gonzalo
authors.initials: G
authors.lastname: Montalvo-Esquivel
authors.forename: José Gregorio
authors.initials: JG
authors.lastname: Chanona-Vilchis
authors.forename: Angel
authors.initials: A
authors.lastname: Herrera-Gómez
authors.forename: Antelmo Abelardo
authors.initials: AA
authors.lastname: Meneses-García
authors.forename: David
authors.initials: D
authors.lastname: Isla-Ortiz
mesh_terms: D000328:Adult; D000368:Aged; D002296:Carcinosarcoma / Q000628:therapy*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010051:Ovarian Neoplasms / Q000628:therapy*; D012189:Retrospective Studies; D055815:Young Adult