Mixed mucinous cystadenoma with benign Brenner tumor in a huge ovarian mass, a case report and review of literature

INTRODUCTION: Different groups of neoplastic and non-neoplastic conditions can involve the ovaries and the epithelial tumors such as mucinous and Brenner tumors are the most common neoplastic category. PRESENTATION OF CASE: This is a case report of a huge mucinous cystadenoma associated with benign Brenner tumor in 56 years old postmenopausal woman, who presented with a fast-growing abdominopelvic mass, and also review the reported articles about this rare occurrence. DISCUSSION: Mucinous neoplasms of the ovary represent 10%–15% of ovarian neoplasms and about 80% of them are benign. Brenner tumors are a relatively rare epithelial neoplasm of the ovary that usually affect postmenopausal women and most of them are benign. Coexistence of Mucinous cystadenoma with Brenner tumor is a rare mixed epithelial tumor of the ovary. CONCLUSION: This case report and review of article create awareness among the surgeons and pathologists about rare occurrence of combination of ovarian mucinous cystadenoma and benign Brenner tumor.