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KMID : 1035520230110040274
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Brain Tumor Research and Treatment : BTRT
2023 Volume.11 No. 4 p.274 ~ p.280
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Extensive Leptomeningeal Spreading of Ependymoma in an Adult: Case Report and Literature Review
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Kang Joon-Seo
Lee Kwon-Woo
Chung Yeon-Gu
Won Yu-Sam
Hong Je-Beom
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Abstract
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Ependymoma is a rare adult tumor that originates from ependymal cells of the central nervous system, primarily occurring in the cerebral ventricles or the central canal of the spinal cord. In this paper, we report a case of extensive leptomeningeal seeding of ependymoma of a 39-year-old male patient, in whom the tumor was found incidentally after head trauma. The MRI exhibited diffuse leptomeningeal infiltrative lesions along with bilateral multiple cerebral sulci, basal cisterns, cerebellopontine angle, cerebellar folia. It also showed multinodular enhancing T1 low T2 high signal intensity lesions along the whole spinal cord. After the tumor biopsy at right temporal lesion, pathologic diagnosis was classic ependymoma (WHO grade 2). The patient has undergone radiation therapy and chemotherapy, and is currently maintaining a stable condition two years after surgery. This report suggests that when considering the differential diagnosis of extensive lesions both in the intracranial and intraspinal space, ependymoma should also be considered.
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KEYWORD
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Ependymoma, Brain tumor, Spinal tumor, Leptomeningeal seeding
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