Medial plica

Case contributed by Dr Tim Luijkx


Anterior and medial knee pain. History of arthroscopy, no trauma.

Patient Data

Age: 30 years
Gender: Male

Retropatellar cartilage tear covering less than half of cartilage thickness. At this level there is a medial plica extending from the medial side of the joint into the patellofemoral compartment. No cartilage defects elsewhere.

Intact cruciate, collateral and other ligamentous structures. No bone marrow edema. Normal menisci.

Subtle focus of high signal intensity on T2 fat sat images superolaterally in Hoffa's fat pad with no evident patellar subluxation.

Annotated image

green arrow: subtle focal hyperintense signal suggestive of edema
yellow arrow: medial plica / red arrow: retropatellar cartilage tear

Case Discussion

Plica medialis.

Superolateral impingement.

PlayAdd to Share

Case information

rID: 34322
Published: 3rd Sep 2015
Last edited: 13th Oct 2019
Inclusion in quiz mode: Excluded

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.