• Oguz Baran, Omur Kasimcan, and Hakan Oruckaptan.
• Istanbul Research and Training Hospital, Neurosurgery Clinic, Istanbul, Turkey. Electronic address: oguzbaran@gmail.com.
• World Neurosurg. 2018 May 1; 113: 62-66.

BackgroundOligodendrogliomas constitute 5% of all primary brain tumors and are the third most common cancer among intracranial tumors. More than 90% of oligodendrogliomas have supratentorial localization. Oligodendrogliomas arising in cerebellar peduncle are substantially rare, <1%. Up to now, 6 oligodendroglioma cases with cerebellar peduncle localization have been presented. We aimed to discuss our World Health Organization grade II oligodendroglioma case, which originated from cerebellar peduncle in the light of literature.Case DescriptionWe report a case of 43-year-old woman. Her complaints were headache, perioral numbness and gait abnormality. Magnetic resonance imaging revealed cyst-like well-demarcated lesion localized in right cerebellar peduncle. Tumor excision was performed by turning around the tumor.ConclusionIt should be kept in mind that oligodendrogliomas may be present as cerebellar peduncle localized tumors.Copyright © 2018 Elsevier Inc. All rights reserved.

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