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Childhood nephroblastoma in Southern and Eastern Europe and the US: Incidence variations and temporal trends by human development index.

ΤίτλοςChildhood nephroblastoma in Southern and Eastern Europe and the US: Incidence variations and temporal trends by human development index.
Publication TypeJournal Article
Year of Publication2018
AuthorsDoganis, D., Panagopoulou P., Tragiannidis A., Georgakis M. K., Moschovi M., Polychronopoulou S., Rigatou E., Papakonstantinou E., Stiakaki E., Dana H., Bouka E., Antunes L., Bastos J., Coza D., Demetriou A., Agius D., Eser S., Ryzhov A., Sekerija M., Trojanowski M., Zagar T., Zborovskaya A., Perisic S. Zivkovic, Stefanaki K., Dessypris N., & Petridou E. Th
JournalCancer Epidemiol
Volume54
Pagination75-81
Date Published2018 Jun
ISSN1877-783X
Abstract

BACKGROUND: Despite advances in the management of nephroblastoma (Wilms' tumor, WT), the etiology of the tumor remains obscure. We aimed to compare nephroblastoma incidence rates and time trends among children (0-14 years) in 12 Southern and Eastern European (SEE) countries and the Surveillance, Epidemiology, and End Results Program (SEER), USA, in relation to the human development index (HDI).METHODS: In total 1776 WT cases were recorded in 13 SEE collaborating registries (circa 1990-2016), whereas data on 2260 cases (1990-2012) were extracted from the SEER database. Age-standardized incidence rates (AIRs) were calculated and correlated with HDI, whereas temporal trends were evaluated using Poisson regression and Joinpoint analyses.RESULTS: The overall SEE AIR (9.2/10) was marginally higher than that of the SEER (8.3/10), whereas significant differences were noted among the 13 SEE registries which comprised mainly Caucasian populations. A statistically significant temporal increase in incidence was noted only in Belarus. Most cases (∼75%) were diagnosed before the fifth year of life, with rates steadily declining thereafter; median age at diagnosis was similar in SEE countries and SEER. A slight male preponderance in the first year of life (male:female = 1.1) was followed by a female preponderance in the older age groups (male:female = 0.7). Lastly, a statistically significant positive association between higher HDI and increasing nephroblastoma incidence was noted (regression coefficient: +3.25, 95%CI: +1.35, +5.15).CONCLUSIONS: Variations in incidence and time trends across the examined registries, changing male-to-female patterns with advancement in age, and positive associations with the HDI imply a plausible role for environmental and genetic factors in disease etiology, and these need to be explored further.

DOI10.1016/j.canep.2018.03.012
Alternate JournalCancer Epidemiol
PubMed ID29655086

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