How is De Quervains stenosing tenosynovitis diagnosed

How is De Quervains stenosing tenosynovitis diagnosed?

• Finkelstein (Eichhoff) maneuver: the patient touches the thumb to the base of the fifth finger, then wraps the other fingers around the thumb and abducts of the wrist (the fist moves toward the ulnar side) eliciting pain (sensitivity 89%, specificity 14%).

• Wrist hyperflexion and abduction of the thumb (WHAT) test: the patient fully flexes his/her wrist and keeps his/her thumb fully extended and abducted while the examiner applies a gradually increasing resistance against abduction of the thumb, causing pain (sensitivity 99%, specificity 29%).

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