男子の排尿に関する症状・所見の地域差の検討 : 北海道島牧村と茨城県里美村における前立腺集団検診結果の比較

Abstract

茨城県里美村と北海道島牧村の40～79歳の男性住民を対象に, 同一検者, 同一方法により前立腺集団検診を施行し, これらの結果を比較検討した. 1)里美村と島牧村における癌発見率はそれぞれ0.39%, 0.63%であったが, この差は有意ではなかった. 2)里美村と島牧村の間で, 前立腺容積, I-PSS及び最大尿流率の分布に大きな差を認めなかった

We performed mass screening for prostate diseases in the village of Satomi-mura, in Ibaraki Prefecture for males between 40 and 79 years old (participation rate; 21%). The findings were compared to those obtained by mass screening in the village of Shimamaki-mura, in Hokkaido Prefecture, conducted by the same examiners in a consistent manner (participation rate; 47%). When we considered the difference in biopsy rates between the two sites, the detection rate of prostate cancer in Satomi-mura was similar to that in Shimamaki-mura. There were no apparent differences in distribution of prostate volume, the International Prostate Symptom Score (I-PSS) and maximum flow rate between the two sites for each 10-year-age group. Our findings suggested that there was little site difference in the detection rate of prostate cancer and voiding condition between the two villages.