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The flexor tendons of the finger may become thickened and narrowed from chronic inflammation and irritation.
- Causes limitation in range of motion and snapping or locking during flexion
- Can involve any digit but usually the ring and the long finger
CC: pain, "catching" May awake to finger being "locked" with spontaneous resolution during the day
Stenosis occurs at the MCP level
PE: Distal flexor crease tender to palpation and may have a painful nodule
Full finger flexion is sometimes not possible
Tx: NSAIDs and steroid injection in tendon sheath. If this fails - surgical release.