Mucinous cystadenoma: a rare abdominal mass in childhood

Ovarian masses are uncommon in children. Only 10 - 17 % of them are epithelial tumours. Mucinous cystadenoma in children is a benign cystic ovarian neoplasm, and it is met very rarely in the medical literature. We present a 13-year-old girl with a giant ovarian mucinous cystadenoma.