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Assessment of The Anterolateral Ligament of The Knee In Magnetic Resonance MRI - Case Series


João P.F. Guerreiro, MD, PhD
BRAZIL

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Assessment of The Anterolateral Ligament of The Knee In Magnetic Resonance MRI - Case Series

João P.F. Guerreiro, MD, PhD, BRAZIL Amanda Brevilheri Benassi, MD, BRAZIL David Bonini Vieira Campanhã, MD, BRAZIL Giovana Ortiz Zendrini, BRAZIL Guilherme Jose Miyasaki Piovesana, MD, BRAZIL Alexandre Oliveira Queiroz, MD, BRAZIL Carlos Eduardo Abascal Shiguihara, MD, BRAZIL Gustavo Carniato Tapias, MD, BRAZIL Paulo Roberto Bignardi, PhD, BRAZIL Marcus Vinicius Danieli, MD, PhD, BRAZIL

1- Pontifícia Universidade Católica do Paraná(PUCPR), Faculdade de Medicina da PUCPR-Campus Londrina, PR, Brazil, Londrina, Paraná, BRAZIL

2023 Congress   ePoster Presentation   2023 Congress   Not yet rated

 

Anatomic Location

Knee

Anatomic Structure

Ligaments

Diagnosis / Condition

Instability

Ligaments

Anterolateral Ligament

Diagnosis Method

MRI

Summary: To evaluate the citation of the anterolateral ligament in the magnetic resonance imaging (MRI) reports of 103 patients who underwent anterior cruciate ligament reconstruction and confirm its presence and lesion in the images of exams performed in the acute phase in a retrospective way

Introduction

The present study points to the questioning of the efficiency of conventional magnetic resonance imaging (MRI) in our country for the evaluation of anterolateral ligament (ALL) in patients with anterior cruciate ligament (ACL) lesion. The hypothesis is that ALL injuries are not being properly visualized and are not being reported by radiologists.
Objectives: To evaluate the citation of the ALL in the MRI reports of 103 patients who underwent ACL reconstruction and confirm its presence and lesion in the images of exams performed in the acute phase in a retrospective way.

Methodology

Reports and images of 103 patients who underwent ACL reconstruction in 2019 were included. The images were reanalyzed by two radiologists confirming the presence and signs of injury to the ALL.

Results

In the first analysis, only one report mentioned the ALL and its injury (0.97%). On reanalysis, ALL was visualized in almost all cases (95% and 97%). A lesion was found in 53 (51.5%) cases by radiologist A and in 56 (54.4%) cases by radiologist B. The lesion was diagnosed by both in 39 (37.9%) cases (p<0.0001). There was disagreement among radiologists regarding the lesion (Kappa 0,411).

Conclusion

The reports failed to describe the ligament and diagnose a significant number of injuries. The analysis of conventional resonance images still generates divergences in the diagnosis of ALL injury associated with the ACL among radiologists.

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