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[Epidemiology of connective tissue diseases of the skin (scleroderma, dermatomyositis and polymyositis) in Japan].

Hiroaki Hatano

Abstract

An epidemiologic study of connective tissue diseases (scleroderma, dermatomyositis, and polymyositis) performed from 1973 to 1976 in Japanese university hospitals is reported. Data from 32 of 48 university hospitals revealed that a total of 659 cases were collected. There were 396 cases of progressive systemic sclerosis, 178 cases of dermatomyositis, and 85 cases of polymyositis. The following points were analyzed: relationship of regional incidence, sex, initial symptoms, laboratory findings, and statistical analysis of autopsies.

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Available abstract

Key concepts: Dermatomyositis, Polymyositis, Medicine, Dermatology, Scleroderma (fungus), Connective tissue disease, Incidence (geometry), Epidemiology