Evaluate for tethered cord: achondroplasia with lumbar tuft of hair. There is gibbus thoracolumbar kyphosis with bullet-shaped and hypoplastic vertebra with progressive decrease in interpedicular distance in lumbar spine, as well as short pedicle spinal canal stenosis. The conus medullaris is situated at the T12-L1 level and appears to shift appropriately between the supine and prone positions. The vertebral bone marrow signal is unremarkable.
Stigmata of achondroplasia in the imaged portions of the spine including gibbus thoracolumbar kyphosis with dysplastic vertebrae and associated short pedicle spinal canal stenosis, but no imaging findings to suggest tethered cord.