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Pacchionian granulation (T2)

Case contributed by Roberto Schubert
Diagnosis probable

Presentation

Incidental lesion on MRI.

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

mri

An incidental rounded high T2 structure at the left sigmoid sinus, representing an incidental arachnoid granulation.

Case Discussion

T2 appearance of arachnoid granulation.

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