Mature cystic ovarian teratoma with squamous cell carcinoma transformation: a case report and literature review.

Objectives: Cancerous transformation in mature cystic ovarian teratoma is rare. Herein, we reported a case of squamous cell carcinoma transformation in mature cystic ovarian teratoma and performed an in-depth literature review to highlight the risk factors, prognosis, and suggested treatment for these patients.

Case Presentation: We report a 66-years old postmenopausal woman diagnosed with a 120×90 (mm) mass at the left adnexa compatible with mature cystic ovarian teratoma.