Arachnoid cyst - left cerebellopontine angle

Case contributed by Dr Gagandeep Choudhary
Modality: MRI

MRI demonstrating a left cerebellopontine angle arachnoid cyst.  Note how the region exerts mass effect and follows CSF on all sequences including DWI / ADC. 

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Case Information

rID: 12713
Diagnostic certainty: Certain
Inclusion in quiz mode: Included

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