Chiari, neck and back pain. The cerebellar tonsils are minimally low-lying, up to 3 mm inferior to the foramen magnum. The cerebellar tonsils demonstrate rounded morphologies. The vertebral column alignment is within normal limits. The vertebral body heights are preserved. There are small posterior disc-osteophyte complexes at multiple levels of the cervical spine and lumbar spine, but no significant spinal canal stenosis. There are also postoperative findings at the L5-S1. The spinal cord displays normal signal and morphology. The cauda equina nerve roots are unremarkable. There is an incompletely characterized left renal lesion that measures up to 12 mm. The paravertebral soft tissues are unremarkable.
1. Minimally low-lying cerebellar tonsils with normal rounded morphology.2. No evidence of syringohydromyelia.3. Incompletely characterized left renal lesion. A renal ultrasound may be useful for further evaluation. 