A Case of Benign Osteoblastoma of the Lumbar Spine

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Benign osteoblastoma is uncommon, benign, vascular, primary bone tumor. It may present diagnostic and therapeutic problems.We experienced a case of this tumor involved in the lumbar spine and misdiagnosed it as lumbar disc herniation, because of its similarity of the clinical findings.14-year old boy visited our clinic with complaints of lumbar dull pain and left leg pain. The X-ray films showed no paticular findings except scoliosis. But 6 months after the onset, we found the abnormal calcification in the left side between the transverse processes of L1 and L2.The lesion was curetted. Its histological diagnosis is benign osteoblastoma.
西日本整形・災害外科学会の論文