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| | eMedicine - Trigger Thumb : Article by David R Steinberg, MD |
 | | Trigger thumb is more likely to occur in an individual with any condition that causes proliferation of the tenosynovium, such as inflammatory arthritis, gout, or chronic infection (eg, fungus or atypical mycobacteria). |
 | | Trigger thumb in patients with rheumatoid arthritis or chronic infection is due to diffuse proliferation of tenosynovium within the tendon sheath. |
 | | The congenital trigger thumb must be differentiated from fracture, dislocation, congenital absence of the extensor, and, less commonly, cerebral palsy or arthrogryposis. |
| www.emedicine.com /orthoped/topic571.htm (2088 words) |
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