Descriptive Epidemiology of Urolithiasis in Japan
The prevalence of urolithiasis in Japan has been steadily increasing since the Second World War, becoming one of the most common benign diseases. Idiopathic calcium urolithiasis in the upper urinary tract is now the most frequent type of urinary calculi since the life style and dietary habits in our country have become Westernized with industrialization. In 1955 (1, 2), 1966 (3), and 1979 (4), our institute conducted nation-wide epidemiological surveys. In this present study, the changing patterns of urolithiasis among the Japanese are analyzed both chronologically and geographically from 1945 to 1987.
KeywordsCalcium Oxalate Urinary Calculus Calcium Stone Uric Acid Stone Cystine Stone
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