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Instrument portal problem

Change in the flexion angle of the knee causes a relative shifting of capsule ,subcutaneous tissue and skin making it difficult or impossible to reinsert the instrument particularly in case of figure of four position of knee. Therefore the joint should first be returned to the position in which the instrument portal was made before re-inserting the instrument.

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Fluid extravasation

If the capsular incision is too large while the subcutaneous and skin incisions are too small, irrigation fluid will dissect into the subcutaneous tissue. This expands the subcutaneous layer and shift

Distally placed arthroscopic portal

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

Meniscal root tears

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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