MCL: Deep and Superficial Ligaments

Both the deep and superficial components of the medial collateral ligament of the knee should be assessed on a knee MRI. What is the anatomy of these components?
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Image Above: The Superficial MCL is straight and black with a proximal attachment at the medial epicondyle and with 2 distal attachments.

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Image Above: Proximal and distal attachments of the superficial MCL. The distal most attachment is usually not seen because of the limited field of view. 

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Image Above: The important thing to note is that the superficial MCL has 2 sites of distal attachment where it can tear from. The more distal attachment is bout 6cm below the joint line.

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Image above: There are 2 deep fibres of the MCL. The Menisco femoral ( yellow arrow) and the meniscotibial ( red arrow) which are important for stability of the meniscus.

mri mcl knee deep anatomy mri radiology education asia

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