The Ewha Medical Journal | 2019
Clear Cell Adenocarcinoma Originated from Adenomyosis
Abstract
The malignant transformation of patients with ovarian endometriosis and adenomyosis is very rarely encountered. Endometriosis is the rare origin of uterine cancers, which are seen fewer than 1% of all women with endometriosis [1]. At present, about 40 cases have been reported in English published literature [2]. Above all, clear cell adenocarcinoma (CCA) arising from adenomyosis has been exceedingly rarely reported [2,3]. Endometrioid adenocarcinoma is the most frequent histologic type of adenocarcinoma arising in endometriosis, followed by CCA [4]. Therefore, we report a very rare case of CCA arising from adenomyosis that could have been misdiagnosed or diagnosed in delay. Case