Kanavel's sign is seen:
Ref: Orthopaedic dictionary by Stanley Hoppenfeld, Michael S. Zeide, page 190 & Wheeless' Textbook of Orthopaedics - 'Infectious flexor tenosynovitis' (online textbook)Explanation:Kanavel's signIt is a clinical sign found in patients with infection of a flexor tendon sheath in the hand, a serious condition which can result in rapid loss of function of the affected finger.The sign 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 sign is named after Allen B. Kanavel.
Flexor tendon sheath infectious inflammation in the hand
Mid palmar space abscess
Ulnar bursa
Web space involvement
Bone