Celery stalk sign in ACL mucoid degeneration

Case contributed by Frank Gaillard
Diagnosis almost certain

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

Note the thickened high signal ACL consistent with mucoid degeneration. Fibers can nonetheless be seen in continuity (best seen in sag PD). This feature has been likened to the appearance of celery and is therefore known as the celery stalk sign. 

Celery stalk sign :) 

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