1. Valgus stress radiographs to evaluate the medial and posteromedial side of the knee are important and should be incorporated in the evaluation, especially in chronic cases.
Valgus stress radiographs to evaluate the medial and posteromedial side of the knee are important and should be incorporated in the evaluation, especially in chronic cases. In this case there is a 3.4 mm increase in medial compartment gapping on the right (A) compared with the left (B) knee, indication a complete sMCL tear. Overall, a 3.2 mm side to side difference of gapping represents a complete sMCL tear, and a 9.8 mm difference represents injury to all medial structures. sMCL, superficial medial collateral ligament.
Gilbert Moatshe et al. J ISAKOS doi: /jisakos
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