Extensor carpi ulnaris tendinosis and tenosynovitis

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

Right wrist pain on the ulnar aspect for 8 to 10 months. No trauma. Wrist radiographs are not available.

Patient Data

Age: 50 years
Gender: Female
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Info

Extensor carpi ulnaris (ECU) tendon

  • ​mildly thickened and rounded

Tendon sheath of extensor carpi ulnaris tendon

  • thickening
  • local hypervascularity present       

Dynamic study of the extensor carpi ulnaris tendon

  • no subluxation or dislocation

Case Discussion

Ultrasound findings suggest extensor carpi ulnaris tendinosis and tenosynovitis in a middle-aged female patient with non-traumatic onset of right wrist pain on the ulnar aspect

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