A case of sequent occurrence of mature and immature teratomas in same patient.

Choi, Jong Yoon; Park, Shin Young; Baek, Mi Sook; Park, Jeung Shin; Koh, Suk Bong

Case Report

Korean Journal of Obstetrics & Gynecology 2009;52(10):1056-1060.
Published online October 1, 2009.

A case of sequent occurrence of mature and immature teratomas in same patient.

Jong Yoon Choi, Shin Young Park, Mi Sook Baek, Jeung Shin Park, Suk Bong Koh

Department of Obstetrics and Gynecology, Catholic University of Daegu, School of Medicine, Daegu, Korea. sbko@cu.ac.kr

Abstract

Ovarian teratomas are the most common germ cell neoplasm. They include mature cystic teratomas, monodermal teratomas (neural tumors, struma ovarii, carcinoid tumors) and immature teratomas. Malignant transformation of mature teratoma is very rare event and a case of sequence occurance of mature teratoma and immature teratoma in same patient is not reported yet in Korea. A 17-year-old female was found to have a huge mature teratoma of the right ovary 3 years ago. That was treated with surgery. Three years later, Immature teratoma was discovered in left ovary and treated with surgery followed by chemotherapy. We experienced one case of sequent occurrence of mature teratoma and immature teratoma on both ovary in same patient. We present it with a brief of literature.

Key Words: Mature teratoma, Immature teratoma