Testicular cancer: Trends in mortality are well explained by changes in treatment and survival in the southern Netherlands since 1970

The aim of this study was to interpret changes in mortality from testicular cancer (TC) against the background of changes in treatment and survival in the south of The Netherlands. Five-year moving average standardised mortality rates were calculated. Primary treatment and relative survival were analysed according to histology, stage and year of diagnosis. The mortality rate dropped in the period 1979-1986 and then flattened out. The types of treatment that patients received did not change significantly over time and were according to the guidelines. Ten-year relative survival for seminoma TC patients improved from 81% (67-91%) in 1970-1979 to 95% (88-100%) in 2000-2002; for non-seminoma TC patients these rates were 54% (38-68%) and 92% (85-99%), respectively. Conditional 5-year relative survival for seminoma and non-seminoma TC patients 5 years after diagnosis was 99% and 96%, respectively. In conclusion, there was an enormous increase in relative survival and a significant decrease in mortality.

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