Imaging appearance and prevalence of the anteromedial meniscofemoral ligament: A potential pitfall to anterior cruciate ligament analysis on MRI

Trinh, Jean-Michel; Verbizier, Jacques De; Texeira, S. Lecocq; Gillet, Romain; Abou, W. Arab; Blum, Alain; Teixeira, Pedro Augusto Gondim

doi:10.1016/j.ejrad.2019.108645

Cited by 7 publications

(7 citation statements)

References 11 publications

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“…Following full-text review and cross-referencing, 47 studies met all criteria for inclusion and were included in the review. 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 After each step of the review process, any disagreement on inclusion of a study was resolved by discussion and agreement between the two reviewers. If consensus could not be reached, then inclusion was decided by the senior author (A.C.).…”

Section: Resultsmentioning

confidence: 99%

“…A number of studies reviewed reported the presence of the amMFL as a rare structure arising from the root ligament of the anterior horn of the medial meniscus, running anterior to the anterior cruciate ligament and attaching to the posterolateral wall of the femoral intercondylar fossa. 43,44,49,52 Kim et al have suggested there may be a relation of the amMFL to medial meniscus injury secondary to abnormal motion and a larger absolute size as compared with knees without an amMFL. 43,44,49 This is particularly true in patients where the amMFL variant does not attach to the tibia and the amMFL acts as an anchor for the anterior horn of the medial meniscus.…”

Section: Anteromedial Meniscofemoral Ligament (Ammfl)mentioning

confidence: 99%

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Prevalence, Biomechanics, and Pathologies of the Meniscofemoral Ligaments: A Systematic Review

Deckey

Tummala

Verhey

et al. 2021

Arthroscopy, Sports Medicine, and Rehabilitation

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Purpose: To systematically review the literature to examine current understanding of the meniscofemoral ligaments (MFLs), their function, their importance in clinical management, and known anatomical variants. Methods: A systematic review was conducted following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines using PubMed, EMBASE, and Cochrane databases. Studies were included if they reported on the biomechanical, radiographic, or arthroscopic evaluation of human MFLs, or if they reported on an anatomical variant. These were then categorized as cadaveric, radiographic, or clinical. Biomechanical, radiographic, patient-reported, and functional outcomes data were recorded. Results: Forty-seven studies were included in the qualitative analysis, and 26 of them were included in the quantitative analysis. Of these, there were 15 cadaveric, 3 arthroscopic, and 9 radiographic studies that reported on the prevalence of MFLs. Overall, when looking at all modalities, the presence of either the anterior or posterior MFL (aMFL, pMFL) has been noted to be 70.8%, with it being the aMFL 17.4% and the pMFL 40.6%. The presence of both ligaments occurs in approximately 17.6% of individuals. Eleven reported on mean MFL length and thickness. When evaluating mean length in both men and women, the aMFL has been reported between 21.6 and 28.3 mm and the pMFL length in this population is between 23.4 and 31.2 mm. Five reported on cross-sectional area. Nine additional papers report anatomical variants. Conclusions: This review shows that there continues to be a variable incidence of MFLs reported in the literature, but our understanding of their function continues to broaden. A growing number of anatomic and biomechanical studies have demonstrated the importance of the MFLs in supporting knee stability. Specifically, the MFLs serve an important role in protecting the lateral meniscus and augmenting the function of the posterior cruciate ligament. Clinical Relevance: Our findings will aid the clinician in both identifying and treating pathologies of the meniscofemoral ligaments.

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Section: Resultsmentioning

confidence: 99%

Section: Anteromedial Meniscofemoral Ligament (Ammfl)mentioning

confidence: 99%

Prevalence, Biomechanics, and Pathologies of the Meniscofemoral Ligaments: A Systematic Review

Deckey

Tummala

Verhey

et al. 2021

Arthroscopy, Sports Medicine, and Rehabilitation

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“…Injuries to the AMMFL are not clinically significant. 5 On the MRI, the plicae appear as low-signal intensity linear structures on all pulse sequences (Figures 2 and 3). 4 The surrounding Hoffa's fat pad shows normal signal intensity.…”

Section: Anatomy and Magnetic Resonance Imaging Appearance Of The Normentioning

confidence: 92%

“…These can be identified in up to 70% and 90% of knee MRI examinations, respectively. 5,12 The horizontal cleft is continuous with the joint cavity and its roof is formed by the IPP (Figures 10 and 11). It is not pathological, unless associated with ganglion cysts, loose bodies or other synovial pathologies like nodular synovitis or pigmented villonodular synovitis (PVNS).…”

Section: Plica Tear Mimickersmentioning

confidence: 99%

Infrapatellar plica injury: Magnetic resonance imaging review of a neglected cause of anterior knee pain

Singh

Rajani

Sinha

et al. 2021

South African Journal of Radiology

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Synovial plicae are normal remnants of synovial membranes within the knee joint cavity and are usually asymptomatic. Pathological infrapatellar plica, which is mostly due to plica injury, may be a potential cause of anterior knee pain, but is often overlooked and under-reported on magnetic resonance imaging (MRI). This pictorial review illustrates the MRI findings of infrapatellar plica injury and associated knee injuries, with emphasis on its differentiation from the mimics of plica injury.

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“…Cartilage injury secondary to ACL rupture was significantly higher than that caused by meniscus injury alone. ACL rupture not only leads to anteroposterior instability and rotational instability of the joint, but current biomechanical studies showed that ACL rupture leads to increased left and right lateral displacement of the joint, which leads to abnormal movement in all directions of the joint and can lead to abnormal movement of the patellofemoral joint [ 4 , 5 ]. Survey data show that the incidence of acute ACL rupture complicated with cartilage injury is 26%, while the incidence of old injury complicated with cartilage injury is 75% [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Three-Dimensional Reconstruction Algorithm-Based Magnetic Resonance Imaging Evaluation of Biomechanical Changes in Articular Cartilage in Patients after Anterior Cruciate Ligament Reconstruction

et al. 2022

Computational Intelligence and Neuroscience

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This study aimed to investigate the evaluation of biomechanical changes in articular cartilage in patients after anterior cruciate ligament (ACL) reconstruction by magnetic resonance imaging (MRI) based on a three-dimensional (3D) finite element model. The data of 90 patients undergoing arthroscopic ACL reconstruction in the hospital were collected and divided into the stable group (54 cases) and the unstable group (36 cases). A load of up to 134N was applied to the 3D finite element model, and the kinematics of knee flexion at 0°, 30°, 60°, and 90° were examined. The tibial anteversion, tibial rotation, and ACL/graft tension were recorded in the 3D finite element model, which was randomly divided into the normal group (intact group, n = 30), the ACL rupture group (deficient group, n = 30), and the anatomical reconstruction group (anatomical group, n = 30). When the graft was fixed at 0°, the anterior tibial translation at 30°, 60°, and 90° in the anatomic group was 8–19% higher than the normal value under 134 N anterior load. The tibial internal rotation in the anatomic group was 18% and 28% higher than the normal value at 30° and 90°. When the graft was fixed at 30°, the anterior tibial translation at 60° and 90° of the anatomic group was 15% higher than the normal value. The tibial internal rotation at 90° of the anatomic group was 16% higher than the normal value, and the above differences had statistical significance P < 0.05 . MRI images were used to assess the bone tunnel angle, and the statistical analysis by the independent-samples t-test showed that there were significant differences in the bone tunnel angle between the stable group and the unstable group P < 0.05 . Currently, based on the 3D finite element model, MRI can accurately evaluate the postoperative effect of anatomical ACL reconstruction in the position, diameter, and angle of tibial and femoral bone tunnels, which can be applied to clinical promotion.

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Imaging appearance and prevalence of the anteromedial meniscofemoral ligament: A potential pitfall to anterior cruciate ligament analysis on MRI

Cited by 7 publications

References 11 publications

Prevalence, Biomechanics, and Pathologies of the Meniscofemoral Ligaments: A Systematic Review

Prevalence, Biomechanics, and Pathologies of the Meniscofemoral Ligaments: A Systematic Review

Infrapatellar plica injury: Magnetic resonance imaging review of a neglected cause of anterior knee pain

Three-Dimensional Reconstruction Algorithm-Based Magnetic Resonance Imaging Evaluation of Biomechanical Changes in Articular Cartilage in Patients after Anterior Cruciate Ligament Reconstruction

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