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Complex injury involving the collateral ligament

A collateral ligament may be injured together with other structures such as the cruciate ligament or the meniscus.

In fact collateral ligament tears are rarely found in isolation.

A high proportion of medial collateral tears are associated with anterior cruciate ligament tears. A MCL tear in conjuction with an ACL tear and a medial meniscus tear is called the 'unhappy triad of O'Donoghue'.

Lateral collateral ligaments may be part of 'postero-lateral' corner insufficiency - which usually involves any or all of the capsule in this region, the popliteus tendon, the arcuate ligament and the cruciates.

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Updated: 31 Dec, 2014
ABOUT THE AUTHOR

Dr Sheila Strover

Clinical Editor
Degrees: 
BSc (Hons)
MB BCh
MBA

Dr Sheila Strover is the founder of the KNEEguru website. Although not a knee surgeon, she has a sound understanding of knee surgery and...

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