わが国における睾丸悪性新生物による死亡の動向

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The trends in the mortality from neoplasms of the testis (MNT) from 1950 to 1977 were examined using the vital population statistics and national census. For the males aged 25 to 34 years old, the MNT slowly ranked higher among the mortality from cancer in male as the years passed, and for the recent II years, it stably ranked 6th or 7th. The MNT doubled from 1950 to 1977 from 0.13 to 0.22 -0.24% of the mortality from all cancers in the males. On the year to year basis, the MNT increased 4.8 fold from the lowest of42 (1952) to the highest of 202 (1977). The age-adjusted mortality from neoplasms of the testis increased 3.4 fold from the lowest of 1.1 (1952) to the highest of 3.7 (1969). Comparison of the 5-year age-specialized mortality that the MNT for the 20- to 50-year-old age groups was strikingly higher in the 10 years from 1968 to 1977 than that from 1950 to 1959. For the 15- to 40-year-old age groups the MNT was markedly higher in the recent 10 years than the first 10 years, and lower for the 0- to 4-year-old and 50- to 80-year-old age groups (10 year average according to age). In Tokyo and neighboring prefectures, the MNT was markedly increased, whereas in the prefectures with a dwindling population it was only slightly increased. Many of the prefectures with a ratio of MNT of prefecture to mean MNT of whole Japan during the recent 10 years above 110.0% were in northern Japan, and many of those with the ratio of 89.9% or less were in southern Japan.
泌尿器科紀要刊行会の論文

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桐山啻夫
和歌山赤十字

わが国における睾丸悪性新生物による死亡の動向

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