Flipped meniscus

Case contributed by Dr Nicholas Plundo

Presentation

Knee pain. Positive Lachman test. Intermittent mass felt over the medial knee.

Patient Data

Age: 16
Gender: Male
MRI

There is a large flipped meniscal fragment which connects to the medial meniscus. There is a large gap in the medial mensical body/posterior horn which is the donor site. There is complex tearing of the posterior horn posterior to the donor site. Flipped meniscal tissue is seen at the posterior horn/root junction towards the notch.

Case Discussion

Unusual presentation of a classic flipped meniscus that presented as intermittent palpable mass on the medial knee. This patient also has a complete ACL tear and well as a complex lateral meniscal tear.

Case submitted with Jonathan Samet, MD

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Case information

rID: 50141
Case created: 20th Dec 2016
Last edited: 21st Dec 2016
Inclusion in quiz mode: Included

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