Semimembranosus tendon avulsion

Case contributed by Ahmed Abdrabou
Diagnosis certain

Presentation

Knee pain and swelling following heavy exercise

Patient Data

Age: 50 years
Gender: Male
This study is a stack
Sagittal
PD
This study is a stack
Sagittal
T2
This study is a stack
Sagittal
STIR
This study is a stack
Coronal
T1
This study is a stack
Coronal
STIR
This study is a stack
Axial
T1
This study is a stack
Axial
STIR
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Info

Non-displaced avulsion of small bony fragment from the posteromedial aspect of tibial plateau (insertion point of semimembranosus tendon) associated with complete tear of the ACL at its mid portion.

Posterior horn of the medial meniscus is torn. Extensive marrow edema of tibial plateau and lateral femoral condyle, lateral collateral ligament injury and moderate joint effusion.

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