Female, 23 years old, with 16 mm Chiari malformation, evaluate for syrinx. A Chiari I malformation is evident with the cerebellar tonsils projecting through the foramen magnum to the level of the C1 arch. The CSF space at the foramen magnum is effaced.Spinal cord signal intensity and morphology are within normal limits. No evidence of any syringohydromyelia is seen. No epidural abnormalities are suspected.Spinal alignment is anatomic. Vertebral body height and morphology are within normal limits. No pathologic marrow replacement or marrow edema is observed.The intervertebral discs are preserved. No evidence of any significant disc bulge or disc herniation is seen. The spinal canal and neural foramina are patent.Small pleural effusions are suspected bilaterally.
Unremarkable evaluation of the cervical and thoracic spine with no evidence of syringohydromyelia.