title: Retrorectal endometrial cyst.
abstract: METHODS
  An unusual case of retrorectal endometriosis is presented. This presented as an asymptomatic pelvic mass at the level of the pelvic floor not contiguous with the pelvis or peritoneal cavity.
  
  
  RESULTS
  It was successfully excised via an abdominal approach.
authors.affiliation: University Department of Surgery, The Queen Elizabeth Hospital, 5011 Woodville, Adelaide, Australia. nrieger@medicine.adelaide.edu.au
authors.forename: Nicholas
authors.initials: N
authors.lastname: Rieger
authors.forename: David
authors.initials: D
authors.lastname: Munday
mesh_terms: D000328:Adult; D003560:Cysts / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D003937:Diagnosis, Differential; D004715:Endometriosis / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D012002:Rectal Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography