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de Quervain's disease (dQD) is a stenosing tenosynovitis of the first extensor compartment of the wrist which is formed by the tendons of the abductor pollicis longus (APL) and extensor pollicis brevis (EPB).1,–,3 Thirty-three consecutive patients with a clinical diagnosis of dQD underwent ultrasound (US). The inclusion criteria were (1) a history of pain over the radial aspect of the wrist aggravated by excessive use of the thumb; (2) an orthopaedic diagnosis of dQD; and (3) a positive Finkelstein test. The control group consisted of 24 healthy subjects and was matched for age and sex. All studies were performed using a Vivid 7 machine (General Electric, Milwaukee, Wisconsin, USA) with a 12 MHz matrix linear array transducer. The sonographer was not blinded to the identity of the control subjects. Statistical analysis was performed using the Student …
Competing interests None.
Patient consent Obtained.
Ethics approval Local ethics committee of the Sacro Cuore Hospital of Negrar approved the study protocol and all participants gave their written informed consent.
Provenance and peer review Not commissioned; externally peer reviewed.
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