Abstract:

Adenomyosis is the presence of endometrial glands and stroma within the endometrium. Its localised form is called adenomyoma and adenomyomas mimic leiomyomas. An extrauterine adenomyoma is an extremely rare entity and take a place in the literature as case reports. Uterus like masses with thick muscle wall and endometrium-lined central cavity are seen in their pathology. Extrauterin adenomyomas can be located in ovary, broad ligament, uterosacral ligament or extrapelvic localisation. Müllerian duct fusion defect and subcoelomic mesenchyme transformation are two possible theory for etiopathogenesis of extrauterine adenomyoma. Herein, we discussed a patient 37 years old with primary infertility which was operated for left adnexial mass and detected intraligamentary mass during laparoscopy. The diagnosis was confirmed as extrauterine adenomyoma with histopathological examination. Differantial diagnosis should be done with endometrioma, leiomyomatosis peritonealis, leiomyomas and malignancies. Althought it is an extremely rare entity, extrauterine adenomyomas should be included in differential diagnosis of adnexal masses.

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