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Reconstruct Human Retinoblastoma In Vitro
Published on: October 11, 2022
Strategies to manage retinoblastoma in developing countries
Guillermo L Chantada1, Ibrahim Qaddoumi, Serife Canturk
1Department of Hemato-Oncology, Hospital JP Garrahan, Buenos Aires, Argentina. gchantada@yahoo.com
Pediatric Blood & Cancer
|January 13, 2011
Summary
Retinoblastoma survival exceeds 90% in developed nations but lags in developing countries due to late diagnosis and treatment disparities. Improving global survival hinges on earlier detection and enhanced patient adherence to treatment protocols.
Area of Science:
- Ophthalmology
- Pediatric Oncology
- Global Health
Background:
- Retinoblastoma survival rates are significantly lower in developing countries compared to developed nations.
- Disparities in survival are linked to advanced stage at presentation, limited treatment options, and socioeconomic/cultural factors affecting family compliance.
- Children in low-income countries (LICs) often present with advanced disease, while middle-income countries (MICs) face challenges with microscopically disseminated extraocular disease.
Purpose of the Study:
- To analyze the global disparities in retinoblastoma survival rates.
- To identify key factors contributing to lower survival in low- and middle-income countries.
- To highlight the impact of diagnostic stage and treatment adherence on patient outcomes.
Main Methods:
- Comparative analysis of retinoblastoma survival data across different economic settings (developed, LICs, MICs).
- Examination of factors influencing presentation stage, treatment availability, and family compliance.
- Review of existing eye preservation programs and their associated mortality rates.
Main Results:
- Developed countries report >90% retinoblastoma survival.
- Survival rates in MICs exceed 70% but are marked by high prevalence of disseminated extraocular disease.
- Toxicity-related mortality is a concern in some eye preservation programs.
Conclusions:
- Global retinoblastoma survival improvement necessitates addressing socioeconomic and cultural barriers leading to delayed diagnosis in LICs.
- Effective treatment of extraocular disease is crucial, but overall worldwide survival gains depend on earlier diagnosis and improved treatment adherence.
- Targeted interventions are needed to bridge the survival gap between developed and developing countries.
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The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
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01:20The Retinoblastoma Gene
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...