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✅ Knee MRI Mastery/Chap 2.ACL and PCL

(Fig 2-E.06) Anatomy Of The Proximal PCL On Coronal Images

by MSK MRI 2024. 3. 16.

https://youtu.be/natshaOBGxg

https://youtu.be/UgiSgNcqguA

1️⃣ Anatomy of the Proximal PCL on Coronal Images:

  • The proximal PCL appears more circular in cross-section on mid- and anterior-coronal images.
  • On the posterior coronal plane, the PCL shows a more vertical orientation. This is because it's sectioned along the downward slope of its curved arc.

Stoller's Orthopaedics and Sports Medicine: The Knee

2️⃣ Meniscofemoral Ligaments (MFLs):

  • The presence of the anterior and posterior MFL varies among individuals. The anterior MFL is observed in 20–75% of knees, whereas the posterior MFL appears in 70–100% of cases. Overall, at least one type of MFL is present in more than 90% of individuals.
  • The MFLs attach near the Posterior Medial Bundle's (PMB) femoral attachment. Specifically, the posterior MFL attaches just proximal to it, and the anterior MFL attaches just distal, both exhibiting a circular cross-section.

Am J Sports Med. 2015 Dec;43(12):3077-92

3️⃣ Details on Meniscofemoral Ligaments:

  • The attachment site of the anterior MFL (aMFL) varies, with 80% attaching distally to the PMB and the remaining 20% to the Anterolateral Bundle (ALB).
  • The posterior MFL (pMFL) has a significant femoral attachment area, located proximal to the medial intercondylar ridge and PMB, and attaches distally to the posterior horn of the lateral meniscus.

Am J Sports Med. 2015 Dec;43(12):3077-92

 

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