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KMID : 1001920120520030250
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Journal of Korean Neurosurgical Society
2012 Volume.52 No. 3 p.250 ~ p.253
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Cerebellar Liponeurocytoma with an Unusually Aggressive Histopathology : Case Report and Review of the Literature
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Chung Sang-Bong
Suh Yeon-Lim
Lee Jung-Il
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Abstract
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We report a rare case of cerebellar liponeurocytoma with an unusually aggressive histopathology. A 49-year-old man presented with a four-month history of headache, vertigo, and progressive swaying gait. Magnetic resonance imaging showed a 3×3.5 cm sized relatively well-demarcated round mass lesion in the fourth ventricle, characterized by high signal intensity on T2-weighted images. Postcontrast images revealed strong enhancement of the solid portion and the cyst wall. The patient underwent suboccipital craniectomy and tumor removal. The pathologic diagnosis was cerebellar liponeurocytoma. Adjuvant radiotherapy was offered due to concerns related to the high proliferative index (Ki-67, 13.68%) of the tumor. At the last routine postoperative follow-up visit (12 months), the patient complained of no specific symptom and there was no evidence of tumor recurrence. However, long-term follow-up and the analysis of similar cases are necessary because of the low number of reports and the short follow-up of cases.
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KEYWORD
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Liponeurocytoma, Ki-67 index, Radiotherapy
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