Case courtesy : Dr. Sameer Hyderali MD, Sunrise Hospital

Age: 55Yrs

Sex: Female

Case study:

Low placed cerebellar tonsils 5 mm below the foramen magnum.
Tight foramen magnum with effaced 4th ventricle and the cisternal spaces noted.
The cervico-medullary junction shows compression.
Hyperintense area seen within the cord posteriorly from C1 to C6 level.

Images:

Conclusion :

Features consistent with Chiari 1 malformation with syringohydromyelia.