Hand
Trigger Finger
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Trigger Finger
, Tenosynovitis
See Also
Overuse Syndromes of the Hand and Wrist
De Quervain's Tenosynovitis
Suppurative Tenosynovitis
Pathophysiology
Swelling of flexor tendon and sheath
Difficult passage of swollen tendon through pulley
Analogous to knotted fishing line in pole eyes
Congenital form seen in some children
Findings
Signs and symptoms
Snapping or triggering of affected finger at MCP joint
Worse after rest
Improves with active finger use
Triggering transmitted to DIP joint
Entire finger may lock
Proximal flexor pulley swelling
Tenderness to palpation
Swollen, firm mass palpable at pulley
Differential Diagnosis
Suppurative Tenosynovitis
Severe, finger-threatening infection that rapidly spreads along the flexor surface of the finger
Management
Similar approach as for
De Quervain's Tenosynovitis
NSAID
s
Immobilization
Avoid offending activity
Moist heat as needed
Digital Flexor Tenosynovitis Injection
Surgical correction if refractory to above management
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