<unk> 's<unk> is a clinical<unk> found in patients with infection of a flexor tendon sheath in the hand (flexor tenosynovitis), a serious condition which can cause rapid loss of function of the affected finger. The<unk> consists of four components: # the affected finger is held in slight flexion. # there is fusiform swelling over the affected tendon. # there is tenderness over the affected tendon. # there is pain on passive extension of the affected finger. The<unk> is named after Allen B.<unk>  who first named them in 1912.
Kanavel's cardinal signs
Waddell's signs
Carnett's sign
Battle's sign
Hutchinson's sign
Charcot's neurologic triad
Nikolsky's sign
Canga's bead symptom