An Experience of 8 Cases of High Lumbar disc Herniation at L1-2 and L2-3

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During the period from 1977 to 1983 we operated on 8 cases of high lumbar disc herniation-that is the intervertebral disc at L1-2 and L2-3. In the period 215 patients were operated on for lumbar disc herniations, including 8 cases (3.2%) located at L1-2 and L2-3. Mean age (53 years) of patients operated for high lumbar disc herniations is higher than that of the other patients (36 years) operated for lower lumbar disc herniations.All patients complained first of back or lower extremity pain, or both. The pain in the lower extremity followed a pattern of radiation over the lateral side of the thigh and frequently over the anterior surface of the thigh. The diagnosis was difficult for few characteristic signs and features. Postoperative results were excellent. Myelography was the most helpful method of Iacalizing herniated upper lumbar disc. The lumbar root block and the discographic exploration were helpful methods.
西日本整形・災害外科学会の論文