Chiari I malformation with syrinx

Case contributed by Ammar Haouimi
Diagnosis certain

Presentation

Chronic headaches.

Patient Data

Age: 11 years
Gender: Female

The MRI sequenes demonstrate:

  • caudal descent of the cerebellar tonsils through the foramen magnum (18 mm below the foramen magnum) with obliteration of the cisterna magna in keeping with Chiari I malformation
  • central cystic cavity of the cervical spinal cord diameter = 7 mm) extending from the C2 to T6 in keeping with a syrinx.

Case Discussion

MRI features of a Chiari I malformation with associated cervical cord syrinx.

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