title: Adenosarcoma arising in inguinal endometriosis.
abstract: BACKGROUND
  Adenosarcoma arising in inguinal endometriosis is a rare clinical entity.
  
  
  METHODS
  A 47-year-old nulligravida presented with a persistent and enlarged right groin mass. Sixteen years earlier she had undergone total abdominal hysterectomy and bilateral salpingo-oophorectomy for endometriosis and was placed on estrogen therapy. Surgical en bloc excision of the 12 x 4 cm inguinal mass revealed adenosarcoma arising in endometriosis.
  
  
  CONCLUSIONS
  Although a rare entity, adenosarcoma arising in inguinal endometriosis should be included in the differential diagnosis for those patients with a history of endometriosis and chronic unopposed estrogen therapy who present with a groin mass.
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Vanderbilt University, Nashville, TN, USA. mrmilam@mdanderson.org
authors.forename: Michael R
authors.initials: MR
authors.lastname: Milam
authors.forename: James B
authors.initials: JB
authors.lastname: Atkinson
authors.forename: John L
authors.initials: JL
authors.lastname: Currie
mesh_terms: D018195:Adenosarcoma / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D003937:Diagnosis, Differential; D004715:Endometriosis / Q000150:complications* / Q000473:pathology; D005260:Female; D006119:Groin; D006801:Humans; D007264:Inguinal Canal / Q000473:pathology; D008198:Lymph Nodes / Q000473:pathology; D008875:Middle Aged; D012404:Round Ligament of Uterus / Q000473:pathology