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The posterior meniscofemoral ligament: morphologic study and anatomic classification
Seung-Ho Han1, Deog-Im Kim, Seung-Gyu Choi
1Department of Anatomy, Catholic Institute for Applied Anatomy, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
Clinical Anatomy (New York, N.Y.)
|November 24, 2011
Summary
The posterior meniscofemoral ligament (pMFL) is common in Korean knees, with variations noted between sexes. Understanding meniscofemoral ligament anatomy aids medical imaging interpretation.
Area of Science:
- Orthopedic Surgery
- Human Anatomy
- Radiology
Background:
- The meniscofemoral ligaments (MFLs) connect the medial femoral condyle to the lateral meniscus.
- MFLs can have anterior (aMFL) or posterior (pMFL) components relative to the posterior cruciate ligament (PCL).
Purpose of the Study:
- To analyze the incidence and morphology of MFLs in a Korean population.
- To develop an anatomical classification system for MFLs.
- To improve interpretation of medical imaging and biomechanical data related to MFLs and PCLs.
Main Methods:
- Dissection and morphological analysis of 100 knees from 52 Korean cadavers.
- Comparison of MFL and PCL measurements between male and female subjects.
Main Results:
- The posterior meniscofemoral ligament (pMFL) was present in 87% of knees; the anterior meniscofemoral ligament (aMFL) was rare, found in only one knee.
- pMFLs and PCLs were significantly longer in males than females (P < 0.05).
- The most frequent MFL type was a typical pMFL with a high crossing over the PCL; absent pMFLs were more common in males.
Conclusions:
- Established an anatomical classification system for MFLs based on Korean cadaveric data.
- Highlighted potential confusion between the oblique PCL bundle and pMFL.
- Enhanced understanding of MFL and PCL anatomy can improve diagnostic accuracy in medical imaging (e.g., arthro-CT, MRI).
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