The accuracy of MRI for the diagnosis of ramp lesions

Objectives To assess the diagnostic accuracy of MRI in diagnosing ramp lesions in patients with an acute lesion of the anterior cruciate ligament (ACL). Materials and methods All consecutive patients over 15 years of age who underwent surgical repair of the ACL at a single hospital between January a...

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Bibliographic Details
Published in:Skeletal radiology 2022-03, Vol.51 (3), p.525-533
Main Authors: Laurens, M., Cavaignac, E., Fayolle, H., Sylvie, R., Lapègue, F., Sans, N., Faruch, M.
Format: Article
Language:English
Subjects:
Accuracy
Anterior cruciate ligament
Anterior Cruciate Ligament Injuries - surgery
Anterior Cruciate Ligament Reconstruction
Arthroscopy
Edema
Humans
Imaging
Knee
Lesions
Magnetic Resonance Imaging
Medical diagnosis
Medical research
Medicine
Medicine & Public Health
Medicine, Experimental
Menisci, Tibial - surgery
Meniscus
Multivariate analysis
Nuclear Medicine
Orthopedics
Pathology
Patients
Radiology
Retrospective Studies
Scientific Article
Tibial Meniscus Injuries - diagnostic imaging
Tibial Meniscus Injuries - surgery
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Summary:Objectives To assess the diagnostic accuracy of MRI in diagnosing ramp lesions in patients with an acute lesion of the anterior cruciate ligament (ACL). Materials and methods All consecutive patients over 15 years of age who underwent surgical repair of the ACL at a single hospital between January and May 2019, with MRI data available, were included in this retrospective study, except patients who had previous knee surgery. The gold standard was arthroscopic evaluation. Two trained radiologists with 5 and 14 years of experience did a blinded review of the MRIs. The following pathological signs were studied: complete fluid filling between the capsule and the posterior horn of the medial meniscus, irregular appearance of the posterior wall of the medial meniscus, oedema of the capsule, fluid hyperintensity in contact with the medial meniscus and anterior subluxation of the medial meniscus. Logistic regressions in univariate then multivariate analysis were carried out and measures of diagnostic accuracy and interobserver agreement were calculated with R software (version 3.6). Results Fifty-seven patients were included. Twelve had a ramp lesion diagnosed by arthroscopy (21%). Only complete fluid hyperintensity between the posterior horn of the medial meniscus and the capsule was significantly associated with ramp lesions ( P value 
ISSN:0364-2348
1432-2161
DOI:10.1007/s00256-021-03858-w