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Ⅰ.はじめに
Orbital osteomaは比較的稀な疾患である.欧米に比較して本邦での報告は特に少なく,渉猟し得た限りでは現在までに41例が報告されているに過ぎない.われわれは複視にて発症したorbitalosteomaの1手術例を経験したので,若干の文献的考察を加えて報告する.
A 57-year-old woman was admitted with a 3-month history of diplopia and exophthalmos in the right eye. Plain skull X-P and axial CT demonstrated two bony tumors. One involved her right orbit, frontal sinus and ethmoidal si-nus, and the other was located in the left occipital bone. The right intraorbital tumor was removed almost totally via the superomedial orbital approach by means of microsurgical drilling. Histopathological examination revealed mature osteoma. The microsurgical drilling procedure was helpful in obtaining an optimal result from surgical treatment of the or-bital osteoma.
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