Spinal Nerve Tumors : Clinical and Operative Experiences of 53 Cases

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Fifty-three patients with spinal nerve tumors, including 9 neurofibromas and 44 schwannomas were operated on in our clinics between 1962 and 1997. Frequent initial symptoms were neuralgic pain in 26 cases, weakness of the region of the involved nerve(s) in 12, and the dysesthesia or numbness in 8. Patients showing only neuralgic pain or weakness of the involved nerve(s) or asymptomatic were classified as Stage I (5 patients); those presenting neurological dysfunction but were able to walk by themselves were classified as Stage II (21 patients); those presenting paraplegia and consequently were unable to walk were classified as Stage III (23 patients); and those presenting tetraplegia and were unable to sit were classified as Stage IV (4 patients). All patients in Stage IV had cervical tumors and 2 of them were neurofibromas. The presence of vesico-urinary disturbance was closely correlated with the exacerbation of neurological dysfunction : In Stage I, there was no vesico-urinary dysfunction, in Stage II 9.5%, in Stage III 78.3%, and in Stage IV 100%. Location of the tumors in relation to the dura mater revealed 36 tumors were intradural, 7 were purely extradural, and 10 were dumbbell type. The follow-up review of these 53 cases showed good functional recovery except for 1 case of neurofibroma in Stage IV who is now bedridden. Postoperative neurological recovery is satisfactory in all cases, and even if the tumor originated from anterior roots of C5 and/or C6, risks of neurological deficit after resection of the involved nerves were negligible.
日本脊髄外科学会の論文
1998-11-30

Spinal Nerve Tumors : Clinical and Operative Experiences of 53 Cases

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