ACL mucoid degeneration - celery stalk sign

Case contributed by Dr Ammar Haouimi


Restricted movements of the left knee.

Patient Data

Age: 40 years
Gender: Male

The ACL is thickened, ill-defined of high signal. The longitudinal fibers are intact, separated from each other by higher signal mucinous material well-visualized on T2 and PD fat sat sequences, giving a "celery stalk" appearance.

Mild joint effusion. A small popliteal cyst is noted.

No associated meniscal tear or ligamentous injuries is seen.

Case Discussion

MRI features are most consistent with a mucoid degeneration of the ACL with a "celery stalk sign".

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Case information

rID: 87205
Published: 23rd Feb 2021
Last edited: 24th Feb 2021
Inclusion in quiz mode: Included
Institution: Aurès Medical Imaging Center - Batna Algeria

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