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Colon Cancer Screening - Is It Time Yet?
Hadi Bhurgri1, Sami Samiullah1
1Division of Gastroenterology, University of Missouri School of Medicine, Columbia, Missouri, USA.
Summary
Colorectal cancer (CRC) screening significantly reduces incidence and mortality. Pakistan faces unique challenges including younger diagnoses and limited data, necessitating targeted screening and improved awareness for effective public health strategies.
Area of Science:
- Oncology and Public Health: Focus on colorectal cancer (CRC) epidemiology and screening strategies.
- Global Health: Addressing rising CRC incidence and the need for screening programs in developing nations.
- Health Policy: Examining the role of data, registries, and awareness in cancer control.
Background:
- Colorectal cancer (CRC) is a growing global health concern, ranking as the third most common cancer in men and second in women.
- Colonoscopy screening demonstrates a significant risk reduction (61%) for CRC incidence and provides substantial life-years gained.
- Pakistan's CRC data indicates a younger age at diagnosis and advanced disease, deviating from global averages.
Discussion:
- Pakistan's context presents challenges for CRC screening, including resource limitations, poor health literacy, and a lack of comprehensive cancer registries.
- Existing screening modalities include stool-based tests (FOBT, FIT, stool DNA) and direct visualization (colonoscopy, sigmoidoscopy, CT colonography).
- Barriers to screening in Pakistan include the need for trained specialists (especially female gastroenterologists), cost-effectiveness, and cultural acceptability.
Key Insights:
- Despite low reported incidence, Pakistan's CRC demographic (younger age, advanced stage) warrants attention and tailored screening approaches.
- The absence of population-based cancer registries and mandated reporting hinders effective health policy and national cancer control programs.
- Low awareness among both the public and physicians regarding colon cancer is a significant barrier, mirroring issues seen in other cancer screenings.
Outlook:
- Prioritizing individual screening for high-risk populations in Pakistan, such as those with a family history, is a feasible initial step.
- Revitalizing cancer registration is crucial for guiding health policy and establishing an effective national cancer control program.
- Developing targeted awareness programs for the public and healthcare professionals is essential for improving CRC screening uptake and outcomes.
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