title: Endometriosis of the round ligament of the uterus.
abstract: OBJECTIVE
  To demonstrate the prevalence of endometriosis in the intrapelvic portion of the round ligaments of the uterus (RLUs) and to propose criteria for their excision.
  
  
  METHODS
  Retrospective case series analysis of women undergoing laparoscopy for the treatment of deep infiltrating endometriosis (Canadian Task Force classification II-3).
  
  
  METHODS
  Tertiary referral hospital.
  
  
  METHODS
  We evaluated 174 patients who underwent laparoscopy for the treatment of deep infiltrating endometriosis (DIE) between April 2006 and May 2009.
  
  
  METHODS
  All patients underwent laparoscopy for the treatment of DIE and had their RLUs removed when there was shortening, deviation, or thickening. After removal, the RLUs were sent for histopathologic analysis to verify the presence or absence of endometriosis.
  
  
  RESULTS
  The prevalence of endometriosis in the RLUs and the association between the macroscopic alterations and the anatomic pathology results were determined. After the identification of macroscopic alterations, 1 or both RLUs (for a total of 42) were removed from 27 of the 174 patients who underwent laparoscopy. The positive predictive value (PPV) of the macroscopic criteria proposed for endometriosis of the RLU was 83.3% (95% confidence interval [CI] = 72.1%-94.5%), with 35 positive RLUs out of the 42 that were excised. The prevalence of endometriosis of the RLU was 13.8% (95% CI = 8.7%-18.9%), with 24 patients having a positive histopathologic examination result for endometriosis.
  
  
  CONCLUSIONS
  The prevalence of RLU endometriosis in patients with DIE was 13.8%, which emphasizes that a rigorous evaluation of this structure must be part of the routine surgical treatment of patients with endometriosis.
authors.affiliation: Fernandes Figueira Institute-FIOCRUZ, Rio de Janeiro, Brazil.
authors.forename: Claudio P
authors.initials: CP
authors.lastname: Crispi
authors.forename: Caroline Alexandra Pereira
authors.initials: CA
authors.lastname: de Souza
authors.forename: Marco Aurelio P
authors.initials: MA
authors.lastname: Oliveira
authors.forename: Raquel P
authors.initials: RP
authors.lastname: Dibi
authors.forename: Leon
authors.initials: L
authors.lastname: Cardeman
authors.forename: Helio
authors.initials: H
authors.lastname: Sato
authors.forename: Eduardo
authors.initials: E
authors.lastname: Schor
mesh_terms: D004715:Endometriosis / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery*; D005260:Female; D006801:Humans; D010535:Laparoscopy; D009140:Musculoskeletal Diseases / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery*; D011237:Predictive Value of Tests; D015995:Prevalence; D012189:Retrospective Studies; D012404:Round Ligament of Uterus / Q000473:pathology* / Q000601:surgery