Korean J Obstet Gynecol.  2005 Nov;48(11):2716-2722.

A Case of patients in whom Endometrial adenocarcinoma was diagnosed while on therapy with Tibolone

Affiliations
  • 1Department of Obstetrics and Gynecology, Gang Nam General Hospital, Public Corporation, Seoul, Korea. ogkdj@seoulmc.or.kr

Abstract

Tibolone (Livial, NV Organon, Oss, Netherlands) is a synthetic steroid which exhibits estrogenic, progestogenic and androgenic activity. In the endometrium, tibolone dose not have estrogenic activity, but dose have intrinsic progestogenic activity. Therefore, it dose not stimulate the endometrial tissue which usually undergoes atrophy. Tibolone has been associated with a relatively low incidence of vaginal bleeding and endometrial hyperplasia. Recently. a few reports have been published even less frequently describing invasive endometrial cancer during tibolone therapy. We report a case of histologically diagnosed adenocarcinoma of the endometrium in women using tibolone. Although we do not suggest causability between the use of tibolone and the development of endometrial malignancy, but we should alert physicians to thorough investigation in patients presenting with vaginal bleeding and the increase of endometrial thickness by sonogram while on tibolone.

Keyword

Tibolone; Endometrium; Endometrial malignanacy

MeSH Terms

Adenocarcinoma*
Atrophy
Endometrial Hyperplasia
Endometrial Neoplasms
Endometrium
Estrogens
Female
Humans
Incidence
Uterine Hemorrhage
Estrogens
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