腰椎々体の後部 Kantenabtrennung と根性坐骨神経痛

抄録

In the literature, there are a few reports on the posterior apophysis occurred in the posterior margin of the vertebral bodies.
Recently we experienced operations of the two cases of this disorder.
Case 1: A twenty-two aged man, sustained low back pain when he lifted up a heavy weight 20 days before admission.
On physical examination, straight-leg-raising test was positive at 155 degrees on the right and at 120 degrees on the left. Mild degree of muscular atrophy in the thigh was recognized but no sensory disturbances in the lower extremities detected.
Radiological examination revealed a small area of bone dafect in the postero-inferior margin of the 4th lumbar vertebra and a fragment posterior to the defective area. Myelographic examination confirmed the radiological findings. A free-body was removed operatively.
Case 2: A thirty-nine aged man had fallen down from the height about 5ms, about seven years before. There after he had been suffering from low back pain. Last year pt. had received laminectomy but symptome were aggravated, followed by neuralgic pain in both lower extremities.
On physical examination, straight-leg-raising test was positive at 120 degrees on the right and at 130 degrees on the left. Muscular atrophy was detected. There was sensory disturbance in the left foot-dorsum.
Roentgenological examination revealed the findings similar to Case 1. After myelography, a free-body was removed operatively.