滑膜組織所見よりみた特発性手根管症候群の腱滑膜炎についての検討

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  • Pathohistological Study of Synovium in Idiopathic Carpal Tunnel Syndrome with Tenosynovitis.

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Forty five patients (66 wrists) with idiopathic carpal tunnel syndrome were investigated. Of these, only 11 patients, 16 wrists (24.2%) had had idiopathic carpal tunnel syndrome associated with tenosynovitis clinically, such as trigger finger and de Quervain's disease. Although the cause of idiopathic carpal tunnel syndrome have been regarded as chronic tenosynovitis, the prevalence of pathohistological inflammation was not so high. In this study, the ratio of advanced or severe inflammation was just only 8%. This result was similar to recent pathohistological study of flexor tendon synovium. There were no significant difference between clinical tenosynovitis and pathohistological synovitis. The most important pathohistological findings were edema and fibrosis. Vascular changes including sclerotic intima and occlusion of the lumen were coexistent in some specimens (40%). Anatomical risk factor, tenosynovitis, vascular changes and hormone imbalance were influenced each other.

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