International Variations in Childhood Renal Tumours
Author Information
Author(s): C.A. Stiller, D.M. Parkin
Primary Institution: University of Oxford
Hypothesis
The study investigates the variations in the incidence of childhood renal tumours across different regions and ethnic groups.
Conclusion
The incidence of Wilms' tumour varies significantly by ethnicity, with the highest rates found in Black populations and the lowest in East Asian populations.
Supporting Evidence
- Wilm's tumour was the most common malignant kidney tumour in all regions studied.
- There is a threefold difference in incidence rates between Black populations in the US and Nigeria compared to East Asian populations.
- In White Caucasian populations, Wilms' tumour accounted for 5-7% of all childhood cancers.
Takeaway
This study shows that some groups of children get kidney cancer more than others, and it might be because of their genes.
Methodology
Data were collected from population-based registries and diagnostic groups defined according to histology, focusing on cases of childhood renal tumours.
Potential Biases
Potential underreporting in regions with incomplete data collection.
Limitations
Data from some regions, particularly in Africa and Asia, were based on hospital or histopathology-based registries, which may not be complete.
Participant Demographics
Data included children from over 50 countries, with variations noted among Black, White, and East Asian populations.
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