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Thoracic flexion myelopathy. Case report.

A case of thoracic flexion myelopathy is reported in a 36-year-old man. The patient had a history of gradually progressing transverse thoracic myelopathy. Conventional myelography in the neutral position failed to reveal cord compression; however, a severe block of the dye column was evident on studies in the flexed position. Excellent recovery from this condition was obtained with posterolateral fusion of the thoracic spine in the neutral position.