De Quervains stenosing tenosynovitis

What is De Quervains stenosing tenosynovitis?

• Tendinitis involving the abductor pollicis longus (APL) and extensor pollicis brevis (EPB) tendons.

• Most frequently described as pain at the base of the thumb.

• APL/EPB tendons form the palmar side of the anatomic snuffbox.

• A positive Finkelstein maneuver supports the diagnosis

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