Abstract
BACKGROUND
Adenomyoma is a benign tumour composed of smooth muscle and benign endometrium. These tumours typically originate within the uterus. An extra-uterine adenomyoma is a rare entity.
CASE
We report a case of extra-uterine adenomyoma of the ovarian ligament, which was an incidental finding during a total abdominal hysterectomy and bilateral salpingo-oophorectomy for a benign ovarian tumour in a postmenopausal woman. The mass was round with uterine-type smooth muscle and scattered functional endometrial glands and stroma.
DISCUSSION
Only seven other cases of an extra-uterine uterine-like mass are reported in the literature. There have been no cases of adenomyoma in the ovarian ligament reported until now.
CONCLUSION
It is most likely that this uterine-like mass arose from the tissues of the secondary müllerian system.
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