A mediopatellar plica is a flattened band of synovium (joint lining) inside the knee, left over from the embryological development of the knee.

ligamentum mucosus
A mediopatellar plica is the same as a medial plica, and runs down the knee on the medial side along the side of the femur, where it can sometimes be traumatised and thickened and become impinged between the femur and the patella.
Synonyms: 
Medial plica
Medial shelf
Medial synovial plica
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An article about plica surgery in the knee based upon a forum discussion.

A list of references relating to the plica syndrome

What is the Plica Syndrome?

The plica syndrom is an often-missed cause of symptoms around the kneecap.

Plicae

Part 7 of a course on Diagnostic Arthroscopy by Dr (Mr) Angus Strover

What are the common kneecap problems?

A quick overview of kneecap problems to help you with your research.

Medial plica

Plicae are often neglected as a cause of knee pain.

A case presentation by Mr Angus Strover.

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CLINICAL PUBLICATIONS

Medical Plica Syndrome Sznajderman T. et al. IMAJ 2009: 1: January: 54-57.


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