The prevalence of renal cell carcinoma: A nation-wide survey in Japan in 1997

Background: The present study was conducted to investigate the incidence of renal cell carcinoma by sex, age group and different regions in Japan. Methods: The survey was conducted from the beginning of January 1997 to the end of December 1997. A total of 1306 Institutions in all 47 prefectures thro...

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Bibliographic Details
Published in:International journal of urology 2001-07, Vol.8 (7), p.359-365
Main Authors: Marumo, Ken, Satomi, Yoshiaki, Miyao, Noriomi, Hasegawa, Michihiko, Tomita, Yoshihiko, Igarashi, Tatsuo, Onishi, Tetsuro, Nakazawa, Hayakazu, Fukuda, Momokuni, Ozono, Seiichiro, Terachi, Toshiro, Tsushima, Tomoyasu, Nakamoto, Takahisa, Kawamura, Juichi
Format: Article
Language:English
Subjects:
Adult
Age Distribution
Aged
Aged, 80 and over
Carcinoma, Renal Cell - epidemiology
Data Collection
epidemiology
Female
Humans
Incidence
Japan
Japan - epidemiology
Kidney Neoplasms - epidemiology
Male
Middle Aged
Prevalence
renal cell carcinoma
Sex Distribution
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Summary:Background: The present study was conducted to investigate the incidence of renal cell carcinoma by sex, age group and different regions in Japan. Methods: The survey was conducted from the beginning of January 1997 to the end of December 1997. A total of 1306 Institutions in all 47 prefectures throughout Japan were requested to register cases. Results: There were 6358 persons with renal cell carcinoma, consisting of 4372 men and 1986 women. The age‐specific incidence rates showed a peak in the age group of 65–70 years in both men and women. The crude incidence rates per 100 000 population for men and women were 7.1 and 3.1, respectively, and age‐standardized incidence rates per 100 000 population for men and women were 4.9 and 1.8, respectively. The incidence rates in the Hokkaido region were significantly higher than in other regions (P < 0.05), among which there was no significant difference in incidence rates. Conclusions: The present study showed that the incidence rates of renal cell carcinoma in Japan were approximately the same as among Japanese in Los Angeles. The rates were, however, lower than North American and European countries, but higher than China, Central or South American countries and African countries. The reasons for the high incidence of renal cancer in the Hokkaido region are not entirely clear. Further epidemiologic research is required.
ISSN:0919-8172
1442-2042
DOI:10.1046/j.1442-2042.2001.00314.x