title: Colouterine Fistula Masquerading as a Complex Adnexal Mass: A Case Report.
abstract: BACKGROUND
  Colouterine fistula is one of the rarest complications of diverticulitis, with 23 cases reported in the world literature to our knowledge. Because of its infrequent presentation, there are no standardized diagnostic modalities for this disease, but almost all patients will require surgical treatment.
  
  
  METHODS
  An afebrile, 66-year-old woman with known diverticulitis presented with vaginal bleeding and discharge of 1 day's duration. Based on imaging she was believed to have a complex adnexal mass. However, it was proven intraoperatively to be a colouterine fistula.
  
  
  CONCLUSIONS
  Although extremely uncommon, the diagnosis of a colouterine fistula can be made with pelvic examination, diagnostic imaging, or surgical exploration. The surgical treatment of colouterine fistulae varies on the acuity of the patient's diverticular disease and the surgeon's suspicion of malignancy.
authors.forename: Lauren
authors.initials: L
authors.lastname: Tracy
authors.forename: Molly
authors.initials: M
authors.lastname: Baker
authors.forename: Alessio
authors.initials: A
authors.lastname: Pigazzi
mesh_terms: D000291:Adnexal Diseases; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007412:Intestinal Fistula; D014591:Uterine Diseases; D014592:Uterine Hemorrhage