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. 2015:2015:432187.
doi: 10.1155/2015/432187. Epub 2015 Feb 5.

Diagnosis and treatment of a lateral meniscal cyst with musculoskeletal ultrasound

Hamilton Chen  1
Affiliations

Diagnosis and treatment of a lateral meniscal cyst with musculoskeletal ultrasound

Hamilton Chen. Case Rep Orthop. 2015.

Abstract

Meniscal cysts are a relatively uncommon occurrence that may result in pain and disability in the knee. It is widely believed that meniscal cysts are secondary to fluid extrusion from a meniscus tear. Typically, diagnosis of a meniscal cyst typically requires magnetic resonance imaging (MRI) to delineate the cyst and any associated injuries. With improvements in sonographic technology, ultrasound has emerged as a sensitive modality for detection of meniscal cysts. We present a patient with a contraindication to MRI who was diagnosed with a lateral meniscal cyst by musculoskeletal ultrasound and treated with an ultrasound-guided lateral meniscal cyst aspiration and injection.

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Figures

Figure 1
Figure 1
Visible mass on lateral joint line on the knee.
Figure 2
Figure 2
Ultrasound image in the coronal plane demonstrating an anechoic meniscal cyst (arrow) superficial to the lateral meniscus.
Figure 3
Figure 3
Ultrasound image in the coronal plane demonstrating aspiration of the meniscal cyst (arrow).
Figure 4
Figure 4
Ultrasound image in the coronal plane demonstrating resolution of the cyst immediately after aspiration and injection.
See this image and copyright information in PMC

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