Endometriosis Research Today is a free monthly online journal that collates and summarizes the latest research about Endometriosis, including details on causes, treatment, symptoms, infertility.

Aromatase inhibitors in the treatment of severe endometriosis.

Mousa NA, Bedaiwy MA, Casper RF

Institute of Medical Science, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada.

BACKGROUND: Endometriosis-associated chronic pelvic pain unresponsive to surgical menopause is a difficult clinical problem. CASE: A middle-aged woman presented with endometriosis and severe pelvic pain after hysterectomy and bilateral salpingo-oopherectomy. She was first treated with exemestane without improvement of symptoms. However, another aromatase inhibitor, letrozole, relieved her pain, and concomitant treatment with estrogen relieved hot flushes without pain reactivation. CONCLUSION: Letrozole was superior to exemestane in relieving the endometriosis-associated pain in this postmenopausal woman. This suggests that patients may respond variably to different aromatase inhibitors.

Published 1 June 2007 in Obstet Gynecol, 109(6): 1421-3.
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