A test for diagnosing de Quervain’s tenosynovitis, or snapping thumb syndrome. First described in 1930 by Harry Finkelstein (1883-1975)
Harry Finkelstein (1883 – 1975) was an American Surgeon. Eponym - Finkelstein's Test (Modified Eichhoff test) to confirm De Quervain’s tenosynovitis
De Quervain described chronic tenosynovitis thickening the tendon sheath of the abductor muscle of the thumb and of the extensor short muscle of the thumb.
Fritz de Quervain (1868 – 1940) was an Swiss surgeon. He described the chronic tendonitis that bears his name (De Quervain disease)