Fig. 2From: A rare case of osteoblastoma combined with severe scoliosis deformity, coronal and sagittal imbalanceA three-dimensional computed tomography (CT) image of lumbar spine showed a 4*4*5 cm osteoblastic mass located on the left side of L3-L4, presented as a large expansile lesion involving the left pedicle with zygapophyseal joints and partial lamina. The mass had no obvious border to the normal bone tissue. Axial CT showed that the mass occupied the spinal canal and narrowed the nerve root canal of L3/4 (red arrow). a transaxial CT image, b sagittal CT image, c coronal CT imageBack to article page