Figure 6.

The arthroscopic picture in a case of complete medial-sided knee injury demonstrates pathologic widening of the medial compartment and elevation of the meniscus from the medial tibial articular surface indicating a rupture of the meniscotibial ligament. In this case, the loose fibers of the superficial MCL are seen (arrow). With combined valgus stress and probing, we were able to identify the loose part distally so as to localize the site of the injury. Arthroscopy can also be used in chronic cases to direct the surgeon to the area of laxity below or above the joint.