De Quervain's tenosynovitis is caused by inflammation of tendons that attach to the base of the thumb and continue along the thumb side of the wrist. The two muscles affected are the extensor ...

De Quervain's tenosynovitis is swelling of the tendons that run along the thumb-side of the wrist and attach to the base of the thumb. It typically occurs from repetitive use of the thumb from ...

The tendons themselves may present definite grooving, owing to the pressure of the stenosed sheath. Not infrequently the tendons appear swollen on each side of the point of constriction.