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Case Reports in Oncological Medicine
Volume 2014, Article ID 745462, 3 pages
Case Report

Oligodendroglioma Arising in Mature Cystic Teratoma

1Department of Pathology, Medical Faculty, Akdeniz University, Antalya, Turkey
2Department of Pathology, Antalya Training and Research Hospital, Antalya, Turkey

Received 16 January 2014; Accepted 19 February 2014; Published 16 March 2014

Academic Editors: F. Micci, S. Ohno, and Y. Yokoyama

Copyright © 2014 Betül Ünal et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background. Development of neuroepithelial tumors from mature cystic teratoma is very rare. We present a case of oligodendroglioma developing inside mature cystic teratoma. Case. Eighteen-years-old female, right adnexal mass with solid and cystic areas was detected. Sections showed all three germ layers. Also, a tumoral lesion was observed in a glial fibrillary matrix. Tumor was composed of monotonous, uniform cells which have oval-round nucleus, perinuclear halo, and indistinct cytoplasm. GFAP, EGFR, P53 were positive. Conclusions. We diagnosed oligodendroglioma arising from mature cystic teratoma. There was no recurrence at the end of 13 months followup. The number of cases which have been reported in the literature is only a few.