Enormous Unilateral Primary Ovarian Leiomyoma Mimicking Ovarian Cancer with High Levels of Serum CA-125 and Ascites

Abstract

Primary ovarian leiomyoma is a very rare benign tumor. We report a case of 61-year-old woman presenting with a large solid abdominal tumor and moderate ascites, as well as highly elevated serum CA-125. The patient was highly suspected for ovarian malignancy. This enormous ovarian tumor which was clinically diagnosed as a malignant ovarian mass, at surgery was presented as large ovarian fibroma, but on histology it was diagnosed as ovarian leiomyoma.