Trigger Finger Disorder (definition)

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ψ	Trigger Finger Disorder

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Definition: A painful disability in the hand affecting the finger or thumb. It is caused by mechanical impingement of the digital flexor tendons as they pass through a narrowed retinacular pulley at the level of the metacarpal head. Thickening of the sheath and fibrocartilaginous metaplasia can occur, and nodules can form. (From Green's Operative Hand Surgery, 5th ed, p2137-58).

Other names Trigger Thumbs; Trigger Digit; Thumbs, Trigger; Thumb, Trigger; Tendon Entrapments, Flexor; Tendon Entrapment, Flexor; Snapping Fingers; Flexor Tendon Entrapments; Fingers, Snapping; Finger, Snapping; Entrapments, Flexor Tendon; Entrapment, Flexor Tendon; Digits, Trigger; Digit, Trigger; Trigger Digits; Snapping Finger; Flexor Tendon Entrapment; Trigger Thumb

Substance	CAS Registry & name	Categories	Source
Recurrent trigger thumb	0	*Trigger Finger Disorder.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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