Two Cases of the Intra-dural Lesions at the Thoraco-Lumbar Spine That Were Difficult in Diagnosis

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Case 1; A sixty-year-old woman complained dullness of left lower limb at walking, five days before admission. Physical examination showed an analgesia at the hip and both legs. She couldn't walk at all and bladder and bowel involvement was associatted. Myelogram showed a central shadow defect at Th12-L1, In operation, there was a capsulized intra-dural hematoma on the dorsal side of the conus medullaris. Hematoma was removed, and a bleeding from the posterior spinal vein was coagulatted by a bipoler hemostat. After operation, she could walk and bladder and bowel involvement also improved.Case 2; A twenty-year-old woman complained low back pain and fever after playing balletball, two days before her initial admission. Physical examination showed percussion pain at L3-L5. Straight leg raising tests were positive at eighty degrees in right, thirty degrees in left leg. Laboratory examination showed leucocytosis. Myelogram showed a shadow defect at L3. In operation, a white tumor was seen among the cauda equina. The tumor was so soft and thin that the capsule was ruptured. We removed the tumor and after operation she was free from symptomes.
西日本整形・災害外科学会の論文