Chiari I malformation
MRI done for chronic headache workup.
Loading Stack -
0 images remaining
In the midsagittal MRI, the posterior fossa is small. The so called peg-like cerebellar tonsils are located well below the level of foramen magnum. Tonsilar sulci have the configuration of Sargeant Stripe.
Syringohydromyelia is also noted in the upper cervical spinal cord.