De Quervain tenosynovitis


Retinacular thickening involving both tendons of the 1st extensor compartment on ultrasound in a patient with nontraumatic radial-sided wrist pain suggests the diagnosis of De Quervain tenosynovitis. An intertendinous septum is present which is one of the anatomical variants 1.

The presence of a focal radial styloid abnormality on x-ray is an indicator of de Quervain tenosynovitis of the wrist 2. However, such abnormalities do not affect the outcome of the management 3.

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