Musculoskeletal ultrasound for diagnostic and interventional purposes in Quervain’s disease

The first wrist compartment, formed by the tendons of the abductor pollicis longus and extensor pollicis brevis, is sometimes dived into two chambers due to the presence of a septum. Musculoskeletal ultrasound assessment of the first extensor compartment, in case of suspicion on Quervain’s disease (QD), is important for various reasons:

To assess in detail which tendon(s), or surrounding tissues, are involved.

To assess whether there is a septum present which divides the compartment. If so, the injection – if indicated - should be placed in the right part of the compartment to make it a success.
Kang et al. (2017) have concluded that ultrasound guided (USG) injection targeting the tendon in case of QD ensures correct needle placement through the visualization of compartmental anatomy and improves accuracy of injection. Many previous studies have reported considerable pain relief following an accurate steroid injection into the first extensor compartment.

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Visit http://bit.ly/2Ndhrvu for the PubMed link to the article of Kang et al.