De Quervain's disease classically affects the -: (A) Flexor pollicis longus and brevis, (B) Extensor carpi radialis and extensor pollicis longus, (C) Abductor pollicis longus and brevis, (D) Extensor pollicis brevis and abductor pollicis longus
Answer is D. de Quervain&;s tenosynovitis results from inflammation of common sheath of abductor pollicis longus and extensor pollicis brevis tendons. Finkelstein&;s test can be done in this case Reference - Essential ohopaedics-Maheshwari-5th edn-pg no 303