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.
From the case:
Pacchionian granulation (T2)
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/15542/annotated_viewer_json?iframe=true\u0026lang=us"}
An incidental rounded high T2 structure at the left sigmoid sinus, representing an incidental arachnoid granulation.
Case Discussion
T2 appearance of arachnoid granulation.