What is the role of tendon rupture in the pathogenesis of tenosynovitis?

Updated: Aug 27, 2018
  • Author: Mark R Foster, MD, PhD, FACS; Chief Editor: Harris Gellman, MD  more...
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Answer

Several causes of tendon rupture in rheumatoid arthritis (RA) exist. An attrition rupture may occur after the tendon has passed over roughened bony surfaces or has been eroded by chronic synovitis. The tendon also may be weakened by direct invasion of the rheumatoid tenosynovium or by ischemic necrosis secondary to surrounding pressures and diminished vascular supply.


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