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KMID : 0361620170520030264
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Journal of the Korean Orthopaedic Association
2017 Volume.52 No. 3 p.264 ~ p.271
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Locating Femoral Insertion of Superficial Medial Collateral Ligament and Posterior Oblique Ligament Using Adjacent Structures: Magnetic Resonance Imaging Study
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Ahn Young-Joon
Im Se-Hyuk
Yang Bo-Kyu
Yi Seung-Rim
Lee Ye-Hyun
Kwon Ji-Eun
Kim Hae-Min
Lee Min-Ho
Park Sang-Hyun
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Abstract
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Purpose: Anatomical medial knee reconstruction is crucial to the recovery of the knee joint. Our purpose is to determine the location of femoral insertion of the superficial medial collateral ligament (sMCL) and posterior oblique ligament (POL) from the attachment site of the adductor magnus and medial gastrocnemius tendon with MRI results.
Materials and Methods: A total of 200 knee magnetic resonance imaging results were retrospectively measured. The boundary of femoral insertion of sMCL and POL was marked and measured on the sagittal image. The attachment site of the adductor magnus tendon and medial gastrocnemius tendon was identified. The lineal, anterior-posterior and proximal-distal distances were measured from the attachment site to the center of the femoral insertion of sMCL and POL.
Results: The average size of sMCL and POL was as follows?sMCL: length of 13.5±1.7 mm, width of 10.9±0.3 mm and POL: length of 9.4±1.3 mm, width of 6.1±0.5 mm. The lineal distances from the insertion of the adductor magnus tendon and medial gastrocnemius tendon to the center of the sMCL and POL were measured?distances to the sMCL: 17.1±3.8 mm, 15.9±3.2 mm; distances to the POL: 11.9±2.9 mm, 8.2±2.7 mm.
Conclusion: This study will help determine the location of the femoral attachment site of sMCL and POL by identifying the attachment section of the adductor magnus tendon and medial gastrocnemius tendon. Moreover, this study will guide the reconstruction of sMCL and POL when palpation of the bony structures become difficult.
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KEYWORD
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superficial medial collateral ligament, posterior oblique ligament, injuries, reconstruction, magnetic resonance imaging
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