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Journal of Korean Neurosurgical Society 2011;50(3): 240-243.
doi: https://doi.org/10.3340/jkns.2011.50.3.240
Supratentorial Clear Cell Ependymoma Mimicking Oligodendroglioma : Case Report and Review of the Literature.
Byoung Hun Lee, Jeong Taik Kwon, Yong Sook Park
Department of Neurosurgery, Chung-Ang University College of Medicine, Seoul, Korea. jtkwon@cau.ac.kr
ABSTRACT
Clear cell ependymomas (CCEs) are rare variants of ependymomas. Tumors show anaplastic histological features and behave as an aggressive manner. CCEs have a predilection for extraneural metastases and early recurrence, and they demonstrate characteristic radiographic features. These tumors should be radiologically and pathologically differentiated from oligodendrogliomas. On microscopic examination, CCEs are composed of sheets of cells and resemble oligodendroglioma. However, upon closer examination, the nature of CCEs can be detected earlier, resulting in prompt treatment of the tumor. Although we report only one case, we emphasize the importance of early diagnosis and treatment. Future description of more cases of these rare cancers is necessary to aid in their diagnosis and treatment.
Key Words: Clear cell; Ependymoma; Oligodendroglioma; Histology; Prognosis
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