A common error is to place the posteromedial portal relatively far anteriorly in an effort to avoid the popliteal nerve and blood vessels. As a result the structures that project posteriorly (attachment of medial meniscus, medial tibial plateau, medial femoral condyle) tend to deflect the operating instruments towards the posterior capsule, thereby causing difficult in accessing the posterior horn of medial meniscus and PCL.
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If the arthroscopic portal is placed too far distally there is chance to damage the anterior portion of lateral meniscus. This is possible in case of a low-riding patella, if the surgeon uses the pate
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These are radial tears with in 1cm of the meniscal attachment or avulsion of meniscal root from the site of attachment. Medial meniscal root tears causes chondral damage. Lateral meniscus root tears
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