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Reasons why West Africa continues to be a hotbed for hepatocellular carcinoma
Joshua Tognarelli1, Nimzing G Ladep2, Mary M E Crossey3
1Department of Medicine, Imperial College London, St Mary's Campus, London, United Kingdom.
Insights
Hepatocellular carcinoma (HCC) in West Africa is a major health issue, driven by viral hepatitis and aflatoxin. Poor prognosis stems from aggressive tumors, late diagnosis, and limited healthcare access.
Area of Science:
- Hepatology
- Oncology
- Public Health
Background:
- Hepatocellular carcinoma (HCC) represents a significant disease burden in West Africa, with a high global prevalence.
- Endemic risk factors, including hepatitis B, C, and HIV, contribute to the elevated HCC rates in the region.
- West African HCC is characterized by a poor prognosis, attributed to aggressive tumor biology, delayed patient presentation, and insufficient management.
Purpose of the Study:
- To summarize the current understanding of Hepatocellular Carcinoma (HCC) in West Africa.
- To identify key risk factors, challenges in management, and areas for future research.
- To discuss potential strategies for improving HCC outcomes in the region.
Main Methods:
- Review of existing literature on HCC in West Africa.
- Analysis of epidemiological data and risk factors.
- Discussion of clinical management challenges and healthcare infrastructure limitations.
Main Results:
- High prevalence of HCC in West Africa linked to endemic hepatitis B, C, and HIV.
- Aggressive tumor characteristics and late presentation contribute to poor prognosis.
- Inadequate healthcare infrastructure, limited resources, and lack of access to treatment hinder effective disease management.
Conclusions:
- Addressing the high burden of HCC in West Africa requires a multi-faceted approach.
- Improving surveillance, early detection, and access to care are crucial steps.
- Further research into emerging risk factors like obesity and alcohol use is needed to combat HCC effectively.
Abstract:
Hepatocellular carcinoma (HCC) exhibits a huge disease burden on West Africa, with a large proportion of all HCC cases worldwide occurring in the sub-region. The high HCC prevalence is due to the endemicity of a number of risk factors, most notably hepatitis B, C and HIV. West African HCC also displays a poor prognosis. Generally speaking, this is owing to more aggressive tumours, late patient presentation and inadequate management. Exposure to chronic viral hepatitis, more carcinogenic West African strains of hepatitis B virus and carcinogens such as aflatoxin B1 all encourage tumour growth. Lack of patient confidence in the healthcare system contributes to poor health-seeking behaviors and management of the disease can be lacking, due in part to poor health infrastructure, resources available and lack of access to expensive treatment. There is also much we do not know about West African HCC, especially the effect rising obesity and alcohol use may have on this disease in the future. Suggestions for improvement are discussed, including surveillance of high-risk groups. Although there is much to be done before West African HCC is thought to be a curable disease, many steps have been taken to move in the right direction.
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