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Ultrasound differentiation of two types of de Quervain's disease: the role of retinaculum
  1. A Volpe1,
  2. M Pavoni2,
  3. A Marchetta1,
  4. P Caramaschi3,
  5. D Biasi3,
  6. C Zorzi2,
  7. G Arcaro1,
  8. W Grassi4
  1. 1Sacro Cuore Hospital, Department of Internal Medicine, Negrar, Verona, Italy
  2. 2Sacro Cuore Hospital, Orthopaedic Department, Negrar, Verona, Italy
  3. 3Department of Clinical and Experimental Medicine, University of Verona, Verona, Italy
  4. 4Department of Rheumatology, University of Ancona, “A Murri” Hospital, Jesi, Ancona, Italy
  1. Correspondence to Dr Alessandro Volpe, Department of Internal Medicine, Sacro Cuore Hospital, Via Sempreboni 5, 37024 Negrar, Verona, Italy; alessandro.volpe{at}sacrocuore.it

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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 …

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