Pain with passive extension (often the first sign seen)
Percussion tenderness (tenderness over entire length of<unk>  tendon sheath)
Uniform swelling (symmetric finger swelling along length of the tendon sheath)
Flexion posture (flexed posture of involved digit at rest to minimize pain)
Flexor tenosynovitis
Bed bugs
Medial epicondylitis
Closed fist infection 
Lateral epicondylitis
Digital Mixoid Cyst 
Olecranon bursitis 
Hand cellulitis