Presentation
Knee twist.
Patient Data
Age: 30 years
Gender: Male
From the case:
Anterior cruciate ligament complete tear
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Complete tear of middle segment of anterior cruciate ligament with retraction.
Bone marrow edema of the lateral femoral condyle with lateral femoral notch sign, and also noted at posterolateral aspect of tibial plateau.
Superficial and intrasubstance high T2 signal of lateral collateral ligament reflecting grade 2 injury.
Superficial high T2 signal of medial collateral ligament reflecting grade 1 injury.
Moderate knee effusion.
High T2 signal intensity of popliteus tendon , reflecting injury.
Diffuse subcutaneous edema.
Case Discussion
Classic middle segment anterior cruciate ligament tear, associated with:
bone contusions in lateral femoral condyle and posterolateral tibial plateau
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