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Neurosarcoidosis and Chiari I malformation

Case contributed by Assoc Prof Frank Gaillard



Patient Data

Age: 18 years
Gender: Female

MRI brain

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. 

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. 

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Case information

rID: 4364
Published: 14th Aug 2008
Last edited: 2nd Jan 2020
Inclusion in quiz mode: Included

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