Accuracy of magnetic resonance imaging of the knee and unjustified surgery

Clinical Orthopaedics and Related Research
Peleg Ben-GalimRon Arbel

Abstract

Magnetic resonance imaging of the knee is greater than 90% accurate in detecting intraarticular disease when performed and interpreted by musculoskeletal magnetic resonance imaging specialists in specialized medical centers. However, independent imaging institutions often offer less expensive services to health insurers. We wondered if the magnetic resonance imaging performed in our community is of equivalent quality and accuracy. We studied a homogenous group of healthy, young, and fit military recruits to represent a cross section of our country's population. We analyzed all knee magnetic resonance images of soldiers who subsequently had primary arthroscopic knee surgery within a 3-month period from 1997-1998. The results were compared with surgical findings of four structures: medial meniscus, lateral meniscus, anterior cruciate ligament, and articular cartilage. Of the 1185 arthroscopies and 633 magnetic resonance images of the knee performed in 14 institutions, 139 paired magnetic resonance imaging arthroscopic reports met our inclusion criteria. The results showed a false positive rate of 65% for the medial meniscus, 43% for the lateral meniscus, 47.2% for the anterior cruciate ligament, and 41.7% for articular cartilage ...Continue Reading

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Citations

May 21, 2008·Journal of Orthopaedic Surgery and Research·T R MadhusudhanA Sinha
Sep 28, 2012·Sports Health·Jolene C HardyRobert E Hunter
Jan 24, 2008·Clinical Rehabilitation·Brent B MeserveThomas R Boucher
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Nov 14, 2012·Current Sports Medicine Reports·Robert J Johnson
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Jul 12, 2018·Case Reports in Orthopedics·Garrett L Chapman, Nirav H Amin
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Oct 1, 2011·International Journal of Immunopathology and Pharmacology·G RinonapoliA Delcogliano
Dec 18, 2007·Journal of Manipulative and Physiological Therapeutics·André E BussièresCynthia Peterson

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