Clinically young patient with anteromedial knee pain.
MRI shows a well-defined low signa l intensity band running across medial patellofemoral recess.
However there is no obvious associated bone marrow oedema involving medial articulating facet of patella or medial femoral trochlea.
Associated joint effusion.
Medial plica mentioned in the report with joint effusion.
Medial plica syndrome
Synonym: synovial plicae of the knee.
Common cause of anterior knee pain typically present with pain on anteromedial aspect of the knee above the joint line associated with crepitation, catching and locking sensations.
Typically involves young with athletic background.
There are actually synovial invaginations as a part of remnants of embryological development. They are present in over 70% of individuals and are mostly asymptomatic.
However can become inflamed and symptomatic. They can undergo fibrosis secondary to repeate d inflammation making them non-stretchable.
In symptomatic patients, medial plica seen as low signal intensity band on T1 as well as T2-weighted images with an associated chondral defect involving medial articulating facet of patella.
Treatment is mainly conservative, physiotherapy and steroid injections.
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