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Partially thrombosed MCA aneurysm

Case contributed by Frank Gaillard
Diagnosis certain

Presentation

Incidental finding.

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

Partially thrombosed left MCA berry aneurysm seen as a heterogenous rounded structure with blood products resulting in signal drop out on gradient echo imaging. 

Time of flight MRA demonstrates only the non-thrombosed part of the aneurysm. 

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