Presentation
Ataxia.
Patient Data
Age: 18 years
Gender: Female
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
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Axial T1
Extensive edema and enhancement of the surface of the left cerebellar hemisphere are noted with additional enhancement of the pons. The cerebellar tonsils are low lying by ~12 mm, reaching below the posterior arch of C1.
From the case:
Neurosarcoidosis and Chiari I malformation
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Axial T2
MRI of the cervical spine demonstrates extensive syrinx without enhancement associated with a prominent chiari I malformation.
Case Discussion
This patient went on to have a posterior fossa decompression and biopsy of her posterior fossa meninges which revealed granulomatous inflammation compatible with sarcoidosis. This was confirmed clinically.