• N Glajchen and M Schweitzer.
• Department of Radiology, Thomas Jefferson University, Philadelphia, PA, 19107-5091, USA.
• Skeletal Radiol. 1996 Jan 1; 25 (1): 63-5.

AbstractDe Quervain's stenosing tenosynovitis of the first dorsal extensor component is traditionally diagnosed clinically but may be encountered when performing MRI of the wrist. A retrospective review of wrist MR images was performed in cases where the diagnosis of de Quervain's synovitis was suggested (n = 5). Imaging findings were correlated with clinical findings in four cases and with wrist arthroscopy in one case. Increased thickness of the extensor pollicus brevis and abductor pollicis longus tendons was the most reliable finding on MRI, being present in all cases. Peritendinous edema was also a reliable finding. Surrounding subcutaneous edema and increased intratendinous signal were less reliable findings in confirmed cases of de Quervain's disease. De Quervain's tenosynovitis may be encountered when performing MRI of the wrist. Increased tendon thickness and peritendinous edema are the most reliable imaging findings.

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