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Published on: October 14, 2016
[Epidemiology and prognosis of childhood cancers in Dakar, Senegal]
1Service de pédiatrie, Hôpital Principal de Dakar, BP 3006, Dakar, Sénégal. kasidy@refer.sn
Insights
Childhood cancer is a significant issue in developing nations, with low cure rates due to diagnostic and management challenges. Improving access to treatment and resources is crucial for better outcomes in pediatric oncology.
Area of Science:
- Pediatric Oncology
- Global Health
- Cancer Epidemiology
Background:
- Childhood cancer disproportionately affects developing countries, presenting significant diagnostic and management challenges.
- Historically, childhood cancer has been perceived as primarily an issue in industrialized nations, overlooking its prevalence in lower-income regions.
Purpose of the Study:
- To investigate the incidence, types, and outcomes of childhood cancers in Dakar, Senegal.
- To identify challenges in managing pediatric malignancies in a developing country context.
Main Methods:
- Retrospective analysis of 130 children (0-15 years) hospitalized for malignant diseases between 1990 and 2000.
- Data collection on patient demographics, cancer types, treatment completion, and cure rates.
Main Results:
- Leukemia, lymphoma, nephroblastoma, retinoblastoma, and osteochondrosarcoma were the most frequent cancers (75% of cases).
- Overall cure rate was 10%, with 50% for patients receiving complete treatment; nephroblastoma had the highest cure rate (58%).
- Significant challenges included limited staff, lack of expert centers, drug shortages, financial constraints, and treatment delays.
Conclusions:
- Childhood cancer management in Africa faces substantial obstacles, including resource scarcity and delayed treatment.
- These factors, compounded by malnutrition and infections, lead to significantly lower cure rates compared to industrialized countries.
- There is an urgent need for improved infrastructure, resources, and specialized care to enhance pediatric cancer outcomes in developing regions.
Abstract:
Childhood cancer has often been considered as a problem mainly affecting industrialized countries. In reality more than half of cases occur in developing countries where management and diagnosis are major issues. This retrospective study includes 130 children (0.3% of admissions) between the ages of 0 and 15 years hospitalized for malignant disease at the Principal Hospital in Dakar, Senegal between January 1, 1990 and December 31, 2000. Mean age was 97 months and M/F sex ratio was 1.2. Mean delay for admission was 3 months. The five most frequent cancers, accounting for 75% of cases, were leukemia (n = 28), lymphoma (n = 21), nephroblastoma (n = 21), retinoblastoma (n = 16) and osteochondrosarcoma (n = 10). Treatment was completed in 18% of cases. Half of patient were lost from follow-up. The cure rate was 10% overall and 50% for patients receiving complete treatment. The highest cure rate was achieved for nephroblastoma, i.e., 58% of cases treated. Management of childhood cancer in Africa is confronted with numerous problems, namely, paucity of specialized staff, absence of expert centers, shortage of anticancer drugs, lack of financial resources, and delay in treatment. These factors associated with frequent malnutrition and recurrent infectious diseases, greatly lower cure rates in comparison with industrialized countries.
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