頭蓋内Osteochondroma—1手術例と本邦26文献例の検討

Intracranial Osteochondroma:Case Report

Ⅰ．緒言

　頭蓋内に発生するchondromaまたはosteochondro-maは比較的稀な腫瘍である．本邦においては，現在まで調べえた範囲では文献上26例の報告をみるにすぎない^{1,3,6-10,12-16,20-27）}．

　われわれは最近右外転神経麻痺で発症した右中頭蓋窩osteochondromaの1例を経験したので，若干の文献的考察を加えて報告する．

Intracranial osteochondroma or chondroma is rarely seen. A case of osteochondroma in the right middle fossa was presented with a review of twenty-six cases reported in Japan.

A 41-year-old male was admitted to Nippon MedicalSchool hospital with five years history of double vision. Neurological examination revealed right abducens palsy and a slight degree of ipsilateral exophthalmos. Cranio-gram showed a mottled calcification without definite hone destruction.