Presentation
Painful knee following twisting injury
Patient Data
Age: 40 years
From the case:
Anterior cruciate ligament injury - partial thickness tear












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Sagittal T2 FS MRI shows abnormal increased signal in the ACL in keeping with sprain (partial thickness tear). High T2 signal intensity involving the bone marrow of inferior patella, medial/lateral femoral condyles, and posterior medial/lateral tibial condyles is in keeping with bone bruising (though some of these areas of altered signal intensity could be due to disuse-related osteopenia).