Abstract
Tendon rupture in rheumatoid arthritis is ceused by invasion of rheumatoid granulation into the tendon structure, mechanical pressure on it by anatomical irregularities and emaciation due to tenosynovitis. We experienced two cases of subcutaneous rupture of flexor pollicis longus in the rheumatoid hand. The first case was a 72-year-old woman and the second was a 60-year-old woman, with substantial functional loss of her thumb. They were treated with synovectomy and tendon grafting using the palmans longus tendon. Hand function in the first case is not adequate, while the second case has good function. Tension of the grafted tendon and abnormities of adjacent arthroses were reasons for the poor result in first case.
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