Background: Epithelial ovarian cancer development before menarche is extremely rare.
Case: We report a prepubertal girl who developed ovarian mucinous carcinoma with mural carcinosarcomatous components.
Summary and conclusion: Magnetic resonance imaging showed a polycystic mass with solid components. The left adnexa was removed. Histological analysis revealed a mucinous tumor with mural carcinosarcomatous components. Three weeks later, ascites and peritoneal metastasis were detected. The patient received a combination therapy of paclitaxel with carboplatin. After 4 chemotherapy cycles the right adnexa, uterus, partial omentum, and pelvic peritoneum were removed. Four additional paclitaxel/carboplatin therapy cycles were administered. She remains free from recurrence after 29 months. To our knowledge, this is the first report of ovarian mucinous carcinoma with mural carcinosarcomatous components in a prepubertal girl.
Keywords: Carcinosarcomatous components; Ovarian mucinous carcinoma; Prepubertal girl.
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