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The Role of Ultrasound in the Diagnosis and Treatment of Meniscal Injuries
Journal article   Open access   Peer reviewed

The Role of Ultrasound in the Diagnosis and Treatment of Meniscal Injuries

Shelby E Johnson, Ryan C Kruse and Brennan J Boettcher
Current reviews in musculoskeletal medicine, Vol.17(6), pp.171-184
06/2024
DOI: 10.1007/s12178-024-09894-y
PMCID: PMC11091008
PMID: 38639869
url
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11091008View
Published (Version of record) Open Access

Abstract

This review evaluates the current understanding of the role of ultrasound in the diagnosis and treatment of meniscal disorders. Ultrasound (US) demonstrates similar sensitivity and specificity when compared to magnetic resonance imaging in the evaluation of meniscal injuries when compared to arthroscopy. Meniscal extrusion (ME) under US can be a reliable metric to evaluate for meniscal root tears in knees with and without osteoarthritis (OA). Sonographic ME is associated with development of OA in knees without OA. US following allograft meniscal transplant may be useful in predicting graft failure. US findings can be used to screen for discoid menisci and may demonstrate snapping of a type 3 discoid lateral meniscus. Shear wave elastography for meniscal injuries is in its infancy; however, increased meniscal stiffness may be seen with meniscal degeneration. Perimeniscal corticosteroid injections may provide short term relief from meniscal symptoms, and intrameniscal platelet-rich plasma injections appear to be safe and effective up to three years. Ultrasound-assisted meniscal surgery may increase the safety of all inside repairs near the lateral root and may assist in assessing meniscal reduction following root repair. Diagnostic US can demonstrate with high accuracy a variety of meniscal pathologies and can be considered a screening tool. Newer technologies such as shear wave elastography may allow us to evaluate characteristics of meniscal tissue that is not possible on conventional imaging. US-guided (USG) treatment of meniscal injuries is possible and may be preferable to surgery for the initial treatment of degenerative meniscal lesions. USG or US-assisted meniscal surgery is in its infancy.
Ultrasonography Meniscus tears Discoid meniscus Meniscus treatment

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