4 Kanavel signs:
(1) Finger held in slight flexion
(2) Fusiform swelling
(3) Tenderness along the flexor tendon sheath (late sign)
(4) Pain with passive extension of the digit (early sign)
(1) Finger held in slight flexion
(2) Fusiform swelling
(3) Tenderness along the flexor tendon sheath (late sign)
(4) Pain with passive extension of the digit (early sign)
Infectious tenosynovitis
Calcaneal bursitis
Calcific tendinitis
Septic bursitis
Olecranon bursitis 
Flexor tenosynovitis
Prepatellar bursitis 
Pes anserine bursitis