Clinical Experience of Percutaneous Nucleotomy for Correction of Scoliosis.

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We report a new techique for correction of idiopathic scoliosis using percutaneous nucleotomy (P. N.).Four patients with idiopathic thoracolumbar scoliosis, had P. N. under local anesthesia. Subjects were four females, ranging in age from 13 to 17 years. Preoperative curve was from 28° to 41° in the standing position without corrective braces.P. N. was done at two disc levels, above and below the apex. These disc levels were confirmed as the transposition of the nucleus to the convex side by magnetic resonance imaging.Post-operatively all patients improved on average by 9.5°, ranging from 8° to 10°. No patients complained of severe pain during or after the operation.The transposition of the nucleus to the convex side is considered to be a mechanical disturbance to correction.P. N. in thocaco-lumber scoliosis is relatively safe and technically easy because of transposition of the nucleus, opening of disc space on the convex side, and rotation of the vertebral body. Percutaneous nucleotomy with a corrective brace is expected to be a new treatment for thoraco-lumbar scoliosis.
西日本整形・災害外科学会の論文