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Orthopaedic Journal of Sports Medicine
Journal Prestige (SJR): 0.935
Citation Impact (citeScore): 1
Number of Followers: 14  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2325-9671 - ISSN (Online) 2325-9671
Published by Sage Publications Homepage  [1174 journals]
  • Magnetic Resonance Imaging of Lateral Meniscus Root Tears in the Pediatric
           and Adolescent Knee: Is the Diagnosis Missed, Mentioned, or Made'

    • Authors: John Schlechter, Theresa Pak, Bryn Gornick, Edward McDonald
      Abstract: Orthopaedic Journal of Sports Medicine, Volume 10, Issue 8, August 2022.
      Background:Failure to address meniscus root tears may place undue loads on anterior cruciate ligament (ACL) reconstructive surgery in the adult population. Because the intraoperative management of lateral meniscus posterior root tears (LMPRTs) may diverge from standard meniscal work and requires specialty items, preoperative diagnosis may be advantageous.Purpose:To evaluate the reliability of radiologist interpretations of preoperative knee magnetic resonance imaging (MRI) scans of lateral meniscus root pathology in a mixed pediatric and adolescent population.Study Design:Cohort study (diagnosis); Level of evidence, 2.Methods:A retrospective review of medical records was performed to identify patients younger than 18 years with an arthroscopically confirmed LMPRT who underwent knee arthroscopy between March 1, 2010, and April 1, 2020. Arthroscopic findings were compared with the reading radiologist’s preoperative MRI interpretations, and patients were stratified into 2 groups: (1) LMPRT diagnosis made preoperatively or (2) diagnosis missed or only mentioned to describe pathology nonspecific to the root. Variables such as body mass index (BMI), open physes, time from injury to MRI, time from MRI to surgery, MRI magnet field strength, musculoskeletal radiologist designation, insurance type, and tear grade were assessed between groups.Results:Overall, 1116 knee arthroscopies were performed, with 49 LMPRTs found; all 49 LMRPTs were found concomitantly with ACL tears (49/535; 9.2%). The average patient age was 15.97 years (range, 11.52-17.97 years). There were 50 MRI scans for 49 patients. An LMPRT was diagnosed based on preoperative MRI scans in 12 of these 50 scans (24%) and mentioned or missed in 38 of the 50 scans (76%). No significant difference was seen between the diagnosis-made versus diagnosis-mentioned/missed groups in BMI, skeletal maturity, time from injury to MRI, time from MRI to surgery, MRI magnet strength, fellowship training of the reading radiologist, tear grade, or insurance type.Conclusion:In 76% of patients, a definitive diagnosis of LMPRT was not made on preoperative MRI scans. Notably, all LMPRTs found intraoperatively were found concomitantly with ACL tears.
      Citation: Orthopaedic Journal of Sports Medicine
      PubDate: 2022-08-02T03:55:57Z
      DOI: 10.1177/23259671221114629
      Issue No: Vol. 10, No. 8 (2022)
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