Discoid meniscal flounce

Case contributed by Chris O'Donnell
Diagnosis certain

Presentation

Acute knee pain and failure of extension ? meniscal tear

Patient Data

Age: 60
Gender: Male
mri

The lateral meniscus is discoid in shape and has a very prominent kink or flounce (ruffle) in its mid portion.

Case Discussion

This is the best example of a flounce that I have seen, i.e. a smooth kink in the body of the meniscus.  It is rarely seen in discoid menisci.

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