Fig. 3

A Radiographical image of the lumbar spine on AP view. A solid arrow shows incomplete fusion and a bone defect. The dashed arrow shows scoliosis and rotation from the lower lumbar vertebrae to the sacrum. B Ultrasonographic image of axial view at the level of L5. Incomplete fusion of the vertebra at L5 is indicated. Solid arrows showed the incomplete fusion of the vertebra at L5, hypoplasia in the spinous process, and hypoplasia in the vertebral arch of the lumbar spine, similar to the radiographic findings