title: Benign osteoblastoma of the lumbar spine.
mesh_terms: D002648:Child; D006801:Humans; D008159:Lumbar Vertebrae / Q000473:pathology*; D008297:Male; D010017:Osteoma, Osteoid / Q000473:pathology*; D013125:Spinal Neoplasms / Q000473:pathology*