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Subacute cerebral contusion with ring enhancement

Case contributed by Frank Gaillard
Diagnosis certain

Presentation

Head trauma.

Focal hyperdensity in the left frontal lobe representing a contusion.

Focal hyperdensity in the left frontal lobe representing a contusion. This is stable. 

Expected evolution of the left frontal contusion, which is now hypodense. Ring enhancement is demonstrated on post-contrast images. 

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

Case Discussion

This case demonstrates evolution of a cerebral contusion with ring-enhancement, which is expected at the later stage of evolution. 

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