Treatment of Three Cases of Chordoma.

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Chordoma is a rare, slow-growing, malignant tumor arising from remnants of notochordal tissue. We report three cases of this tumor, which were operated in our hospital.Case 1: A 49-year-old man. Chief complaints were numbness and motor disturbance of both arms and legs. Tumor was found at C4 level. We removed the tumor by the anterior approach, and did anterior vertebral fixation (C3-C5). Case2: A 60-year-old man. Chief complaint was left buttocks pain. Tumor was found at the sacral level by myelography. It was removed using an anterior and posterior approach and the sacrum was reconstructed using a Harrington-sacral bar. Case 3: A 74 year-old man. Chief complaint was left buttock pain at sitting. Tumor was found below S4 by MRI. We removed in via the posterior approach.Result: No cases developed symptons and signis caused by the removal of tumor postoperahvely except for a mild disturbance in urinatin in case 2. At the time of latest follow-up the post-operative course of these patients was good.