What causes postmenopausal endometriosis?

Updated: May 10, 2021
  • Author: G Willy Davila, MD; Chief Editor: Michel E Rivlin, MD  more...
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Postmenopausal endometriosis may be encountered in women who are on estrogen replacement therapy (ERT). Occasionally, if ERT is administered after total abdominal hysterectomy, endometriosis can be stimulated in an ovarian remnant. Extrapelvic endometriosis is believed to be hormone-resistant when it occurs after surgical castration. Transplantation of endometrial implants during the original surgery is believed to explain this occurrence. Another possible explanation is coelomic metaplasia.

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