<prompt> Kanavels sign is seen:Flexor tendon sheath infectious inflammation in the handMid palmar space abscessUlnar bursaWeb space involvement  <response>: Ref: Orthopaedic dictionary by Stanley Hoppenfeld, Michael S. Zeide, page 190 Wheeless Textbook of Orthopaedics - Infectious flexor tenosynovitis online textbookExplanation:Kanavels 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. 