Ramp lesion type 3 (pivot shift mechanism of injury)

Small patchy marrow contusions involving posterior part of lateral tibial plateau.

• Small osteochondral impaction contusion / fracture at lateral femoral condyle.

• High grade anterior cruciate ligament tear at midsubstance.

• Grade III tear of medial collateral ligament at femoral attachment.

• Grade I sprain of fibular collateral ligament.

• Altered marrow signal intensities involving menisco tibial ligament (Ramp lesion type 3).

• Moderate joint effusion (lipohemarthrosis).

Findings suggestive of pivot shift mechanism of injury