Presentation
Twisting of the knee while playing sport
Patient Data
Age: 15 years
Gender: Male
From the case:
Anterior cruciate ligament avulsion fracture
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Info
Avulsion of the tibial bony attachment of the anterior cruciate ligament with PDFS hyperintense signal is noted in the ACL. The displaced fracture fragment measures 10.5 x 4.6 mm in size and displaced by approx. 2.8 mm from the tibial prominence. No evidence of tibial translation.
Mild buckling of PCL.
Marrow edema is noted in tibial intercondylar eminence, both tibial plateaus and lateral femoral condyle.
Moderate joint effusion.
Diffuse soft tissue edema
Case Discussion
According to Meyers and McKeever classification, this case is considered type 2 as there is anterior elevation of the avulsed bone fragment.
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