Spinal subarachnoid hematoma after lumbar puncture producing acute thoracic myelopathy: case report.

A case of subarachnoid hematoma after a difficult lumbar puncture and anticoagulation is presented. Subarachnoid adhesions preventing the free flow of spinal fluid at the T-6 level served to limit the cranial progression of the hemorrhage and produced a transverse myelopathy at that level. The underlying pathology, clinical course, and myelographic findings are reviewed. Pertinent literature is presented.