MR imaging of the postoperative meniscus of the knee

Seminars in Musculoskeletal Radiology
Kirkland W Davis, Michael J Tuite

Abstract

Surgery for tears of the menisci of the knee has evolved greatly over the last century and is now an extremely common procedure. Meniscal repair and conservative therapy are the preferred methods of treatment, but most symptomatic torn menisci do not meet the requirements for these options and necessitate partial meniscectomy. After surgery, patients often have recurrent pain and need additional diagnosis. Conventional magnetic resonance imaging (MRI) in the postoperative patient is very helpful at diagnosing extrameniscal pathology. It has lower sensitivity for detecting retears after partial meniscectomy, however, as it relies primarily on demonstration of fluid entering the meniscal retear on T2-weighted images. Similarly, conventional MRI is less accurate after meniscal repair, in which the repair site usually maintains altered signal for years. MR arthrography has higher sensitivity for detecting retears in menisci and is the procedure of choice in many situations.

Citations

Mar 21, 2006·Skeletal Radiology·Antti O T MustonenSeppo K Koskinen
Aug 9, 2003·International Orthopaedics·Gunter Spahn
Sep 6, 2006·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Patricia ThoreuxAlain-Charles Masquelet
Apr 20, 2005·European Journal of Radiology·Andoni P TomsSimon T Donell
Feb 6, 2008·European Journal of Radiology·W C J Huysse, K L Verstraete
Oct 28, 2009·Osteoarthritis and Cartilage·M S SwansonM N Gurcan
Feb 18, 2017·Journal of Magnetic Resonance Imaging : JMRI·Nicholas C NaceyJennifer L Pierce
Jun 6, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Dragos PopescuMiguel Caballero
Jul 25, 2018·Acta ortopedica brasileira·Adriano Marques DE AlmeidaArnaldo José Hernandez

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