what is acute tenosynovitis
Background. Tenosynovitis is inflammation of a tendon and its sheath. Most acute cases of flexor tenosynovitis (FT), which involves disruption of normal flexor tendon function in the hand, are the result of infection.ost acute cases of flexor tenosynovitis (FT), which involves disruption of normal flexor tendon function in the hand, are the result of infection.