Anatomopathological lesions of bladder endometriosis are heterogeneous

Charles Chapron, Eric Boucher, Arnaud Fauconnier, Marco Vieira, Jean Bernard Dubuisson, Marie Cécile Vacher-Lavenu

Research output: Contribution to journalArticlepeer-review


Objective: To present the anatomopathological characteristics of deep bladder endometriosis. Design: Descriptive anatomapathological study. Setting: A university hospital department of gynecological surgery. Patient(s): Eleven consecutive patients complaining of pelvic pain and painful urinary functional symptoms. Intervention(s): Laparoscopic partial cystectomy. Main Outcome Measure(s): Macroscopic and microscopic characteristics of deep bladder endometriosis lesions. Result(s): Deep bladder endometriosis lesions were extremely heterogeneous, not only in any one patient but also from one patient to another. Bladder muscularis propria presented three aspects: [1] hyperplasia of the fibromuscular tissue (4/11); [2] simple dissociation of the smooth muscle fiber bundles with no veritable "disorganization" (4/11); [3] simple thickening of the interstitial collagen network, or sclerosis (3/11). A histological adenomyotic nodule aspect was only observed in one patient (9%). Conclusion(s): Bladder endometriosis is an enigmatic disease. No hypothesis can be proposed as a single explanation for its pathogenesis.

Original languageEnglish
Pages (from-to)740-742
Number of pages3
JournalFertility and Sterility
Issue number4
Publication statusPublished - Oct 1 2002


  • Bladder endometriosis
  • Deeply infiltrating endometriosis
  • Histology
  • Müllerianosis

ASJC Scopus subject areas

  • Obstetrics and Gynaecology


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