Malignant Transformation in a Mature Cystic Teratoma of the Ovary: A 5-year Descriptive Study.

Background And Objective: Malignant transformation (MT) in mature cystic teratoma of the ovary (MCTO) is rare. This descriptive study primarily aims to determine the prevalence rate of MT in MCTO and describe clinicopathologic features, management, and prognosis of patients who developed this rare type of tumor and likewise deliver a review in the light of recent literature.

Methods: This is a descriptive observational study of 22 patients with MT in MCTO at a Level 3 Tertiary Public Hospital in Baguio City, Philippines.