<prompt> de Quervains disease classically affects the:Flexor pollicis longus and brevisExtensor carpi radialis and extensor pollicis longusAbductor pollicis longus and brevisExtensor pollicis brevis and abductor pollicis longus  <response>: de QUERVAINS DISEASE The abductor pollicis longus and extensor pollicis brevis tendons may become inflamed Pathognomic sign is Finkelsteins test The examiner places patients thumb across the palm in full flexion, and then holding the patients hand firmly, turns the wrist sharply into adduction In positive test this is acutely painful Repeating the movement with the thumb left free is relatively painless. 