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Ⅰ.はじめに
Osteochondromaは最も普通にみられる骨の良性腫瘍の1つである.この腫瘍は長管骨に好発し,また肩甲骨,腸骨等の扁平骨にも発生する.Osteochondromaが脊椎に発生するのは,きわめて稀とされており,脊椎に発生した場合には,その発育方向により,脊髄,神経根を圧迫し,重篤な神経症状を生ぜしめる可能性がある.我々は,最近,上位頸椎に発生したOsteochondromaの1例を経験したので,これに若干の文献的考察を加えて報告する.
Osteochondroma is one of the most common benign bone tumors, but it is rare in the spine.
A woman aged 54 was admitted for investigation of left nuchal pain with radiation to the occipital region for one and a half years duration.
Physical and neurological examinations revealed no objective abnormalities. The cervical spine film showed the presence of a calcified mass in the leftarticulation between atlas and axis. Myelogram outlined a left sided filling defect at the level of a calcifid mass. The tumor was totally removed using operating microscope technique through transcervical approach.
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