Carpal Canal Syndrome Caused by Tenosynovitis

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Abstract
Summary Nineteen patients with carpal canal syndrome caused by tenosynovitis, in twenty-three hands altogether, have been operated on by the author. The etiology of the tenosynovitis was rheumatoid arthritis in seventeen patients, tuberculosis in one case and lupus erythematosus disseminatus in one case. Histological examination revealed congestive and proliferative changes in the tendon sheaths. Swelling of the sheath at night because of impaired venous blood flow was supposed to be the cause of the nocturnal paresthesias.