Table 1.
Kanavel signs used to diagnose acute flexor tenosynovitis
| Sign | |
|---|---|
| 1. | Fusiform swelling of the affected finger |
| 2. | Tenderness along the course of the tendon sheath |
| 3. | Digit held in semi-flexed posture |
| 4. | Pain on passive extension of the affected digit |
Adapted from:
1. Kanavel A. The symptoms, signs and diagnosis of tenosynovitis and major fascial space abscesses. 6 ed: Lea & Febiger; 1933.
2. Boles SD, Schmidt CC. Pyogenic flexor tenosynovitis. Hand Clin 1998;14:567-578.
3. Draeger RW, Bynum DK, Jr. Flexor tendon sheath infections of the hand. J Am Acad Orthop Surg 2012;20:373-382.