Presentation
Long standing right knee pain.
Patient Data
Age: 30 years
Gender: Male
From the case:
Flipped anterior horn of the lateral meniscus
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A disproportionately enlarged posterior horn of the lateral meniscus with an empty anterior horn, and a flipped anterior horn of the lateral meniscus seated anterior to the posterior horn of the lateral meniscus.
Case Discussion
A flipped meniscus occurs when a component of a meniscus avulses and the ruptured fragment displaces either anteriorly or posteriorly, as in this case, resulting in a disproportionately enlarged horn of a meniscus, in this case, the posterior horn of the lateral meniscus.
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