Flipped meniscus

Case contributed by Dalia Ibrahim
Diagnosis almost certain

Presentation

Knee pain.

Patient Data

Age: 30 years
Gender: Male
mri
This study is a stack
Axial
T2
This study is a stack
Sagittal
T2
This study is a stack
Sagittal
STIR
This study is a stack
Sagittal
T1
This study is a stack
Coronal
T2
This study is a stack
Coronal
Gradient Echo
This study is a stack
Coronal
STIR
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Info

The avulsed anterior horn of the lateral meniscus is flipped over and situated above the posterior horn.

Case Discussion

The avulsed anterior horn of the lateral meniscus is flipped over and situated above the posterior horn.

Disproportionate posterior horn sign (meniscal tear) is a feature described with a meniscal tear having a posteriorly flipped fragment.

 

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