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MRI evaluation of anterolateral ligament of the knee: a cross-sectional study in Malaysia

Ren, Yi Kow and Chooi, Leng Low and Siron @ Baharom, Khairul Nizam and Sheikh Said, Siti Nor Badriati (2021) MRI evaluation of anterolateral ligament of the knee: a cross-sectional study in Malaysia. Cureus, 13 (6). pp. 1-7. E-ISSN 2168-8184

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Introduction After detailed anatomical delineation of the anterolateral ligament (ALL) of the knee, there is a surge in research on this anatomical structure. Owing to the anatomical variation and lack of experience in the identification of this structure, magnetic resonance (MR) evaluation of the ALL produces mixed results. It was aimed to evaluate the ALL using the routinely performed MR imaging of the knee and to determine any associated factors with ALL injuries. Materials and methods Thirty-six MR images of the knee from 31 patients from January 1, 2017, to June 30, 2017, are evaluated. MR sequences performed include TI-weighted, T2-weighted, proton density (PD), and PD fat saturation (FS). All MR images were double-read by two authors and approved by a consultant radiologist with more than 20 years of radiological experience. The ALL was divided into three portions: femoral, meniscal, and tibial, and the ALL was considered fully visualized when all three portions were seen on MR images. Results At least a portion of the ALL was visualized in 27 scans (75%), and it was fully visualized in 20 scans (55.6%). The femoral portion was the most commonly identified (75%), followed by the meniscal portion (69.4%) and the tibial portion (58.3%). ALLs were best visualized on corona! view in PD FS with the lateral inferior genicular artery as a guide to locate the bifurcation of the meniscal and tihial components. Conclusion The ALL can be visualized in routine 1.5-T MR imaging, either full delineation (55.6%) or partially visualized (75%). It is best characterized via a PD-weighted sequence with fat saturation on the coronal plane. The ALL injury was associated with an anterior cruciate ligament (ACL) injury.

Item Type: Article (Journal)
Additional Information: 6093/90868
Uncontrolled Keywords: anterolateral ligament, knee, anterior cruciate ligament, magnetic resonance imaging, injury
Subjects: R Medicine > R Medicine (General)
R Medicine > RD Surgery > RD701 Orthopedics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Medicine
Kulliyyah of Medicine > Department of Radiology
Depositing User: Mrs. Wan Salwati Wan Salleh
Date Deposited: 16 Jul 2021 15:08
Last Modified: 16 Jul 2021 15:08
URI: http://irep.iium.edu.my/id/eprint/90868

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