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Childhood cancer patterns in Nigeria show a predominance of solid lymphoma, unlike Caucasian children who more frequently develop leukemia or glioma. These findings highlight significant geographical variations in pediatric neoplasms.
Area of Science:
- Pediatric Oncology
- Epidemiology
- Cancer Research
Background:
- Childhood cancer is an emerging pediatric concern in Africa.
- Infectious and nutritional diseases are declining in the region.
- Understanding cancer demographics in Nigerian children is crucial.
Purpose of the Study:
- To analyze the types and frequencies of neoplasms in Nigerian children.
- To compare the tumor patterns in Nigerian children with those in Caucasian children.
- To identify significant differences in pediatric cancer epidemiology between populations.
Main Methods:
- Retrospective analysis of 1325 Nigerian children diagnosed with neoplasms.
- Data collected over a 13-year period (1960-1972).
- Tumor types categorized and compared based on population groups.
Main Results:
- Neoplasms accounted for 12.5% of all registered tumors during the study period.
- Solid lymphoma, particularly Burkitt's tumor, was the most common malignant tumor.
- Nigerian children showed a pattern of high lymphoma and orbital tumors, with low rates of leukemia and glioma.
- This contrasts with Caucasian children, who typically present with high rates of leukemia and glioma, and low rates of lymphoma and orbital tumors.
Conclusions:
- Significant differences exist in the frequency patterns of childhood tumors between Nigerian and Caucasian populations.
- The observed epidemiological variations necessitate further investigation.
- These findings underscore the importance of geographically specific research in pediatric oncology.
Abstract:
Childhood cancer is fast becoming an important pediatric problem in several parts of Africa, with the progressive decline of infectious and nutritional diseases. The present study analyzes 1325 Nigerian children with neoplasms diagnosed over a 13-year period (1960-1972). It accounted for 12.5% of all tumors registered in our Cancer Registery over the period of study. The commonest type of malignant tumor in the Nigerian child was solid lymphoma, of which Burkitt's tumor predominated. The overall pattern of tumors in these children was strikingly different in certain aspects from what obtains in the Caucasian child. When four main groups of tumors were considered, the ratio frequency pattern in Nigerian children was one of high lymphoma, high orbital, low leukemia, low glioma type. In the Caucasian child, the ratio frequency pattern is usually one of high leukemia, high glioma, low lymphoma, low orbital type. The observed differences in frequencies of childhood tumors between population groups require further studies.