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[Magnetic resonance imaging of spinal cord lesions in 22 multiple sclerosis patients].

We reviewed MRI findings in 22 patients (37 cases) with clinically diagnosed multiple sclerosis (MS) with spinal cord lesions. The spinal cord lesions were detected in 17 (46%) of these 37 cases on MRI. The cervical cord lesions were more detectable than other spinal cord lesions. At the thoracic level, the upper lesions were more detectable than the lower ones. In this study, no correlation was found between the disease duration, the rate of functional disturbance and the detectable rate of spinal cord lesions. The characteristic findings of the lesions were swelling and the enhancement effect of Gd-DTPA in the patient group with a disease duration of less than three years, and atrophic change in the patient group with a disease duration of greater than seven years. The period of the enhancement effect of Gd-DTPA varied in each case, and it may reflect the clinical course. Syrinx-like lesions were found in four cases. In one of them, atrophic change was found in the same region six months after the follow up study. Although the precise reason for the syrinx-like lesion was unclear, a relationship between syrinx-like lesion and atrophy of the spinal cord was suggested. The MRI findings of the spinal cord lesions in MS varied in each case and in each stage of the disease.