Osseous findings indicating neurofibromatosis type 1.

(A) Axial multiplanar reconstruction of the basal skull demonstrating a slight sphenoid wing dysplasia on the left side (arrow). (B) Coronal multiplanar reconstruction of the lower thoracic spine and the lumbar spine showing scoliosis and discrete wedging of the body of the fifth lumbar vertebra in the frontal plane with reduced height on the left side (arrow). Note the preservation of the intervertebral discs.