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Public talk on Colon Cancer

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On-line presentation via Zoom application catering to the public of Miri. Presentation delivered in layman terms, encompassing occurrence, risk factors and symptoms that suggest colon cancer. Also covered on methods to be adopted to reduce risks of colon cancer, screening tools and principles of managing colon cancer patients.

Published in: Health & Medicine
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Public talk on Colon Cancer

  1. 1. Understanding Colon Cancer Dr Chea Chan Hooi Surgeon Borneo Medical Centre (Miri) 15th July 2020
  2. 2. Content • Introduction • Epidemiology • Risk factors • Symptoms • Investigations • Treatment • Screening • Conclusion
  3. 3. Introduction • The second most common cancer in Malaysia • Usually affects older people • Begins as a polyp which then grows over time (between two to five years) to become cancer
  4. 4. Colon cancer occurence in Asia
  5. 5. Lifetime cancer risk in Malaysia Male • General 1 in 15 • Chinese 1 in 39 • Malay 1 in 72 • Indian 1 in 82 Female • General 1 in 74 • Chinese 1 in 49 • Indian 1 in 91 • Malay 1 in 100
  6. 6. Top 10 most common cancer in Malaysia, 2007 - 2011
  7. 7. Risk factors Modifiable • Diet • Obesity • Smoking • Excessive alcohol intake • Inflammatory bowel disease Non-modifiable • Genetic predisposition • Family history • Aging
  8. 8. Modifiable risk factors
  9. 9. Non-modifiable risk factors • Aging • Genetic • Family history
  10. 10. What are the symptoms that might suggest colon cancer?
  11. 11. Tenesmus
  12. 12. Investigations • Fecal occult blood test • Cancer marker • Colonoscopy
  13. 13. Fecal occult blood test • Test for blood cells in stool • Falsely raised if taking certain medication (e.g. aspirin) or high-iron food
  14. 14. Cancer marker • CEA • Function • To assist in screening • Monitoring response to treatment • Detect recurrence after treatment • Not diagnostic • Levels not elevated in up to 30% colon cancer patients • Also detected in lung cancer
  15. 15. Colonoscopy
  16. 16. CT scan staging
  17. 17. Surgery - Laparoscopic
  18. 18. Surgery - Conventional open surgery
  19. 19. Chemotherapy and radiotherapy
  20. 20. Five year survival rate for colorectal cancer
  21. 21. Screening • People with no symptoms • Population • Normal-risk • High-risk • Family history • Previous colonic polyp • Previous inflammatory bowel disease • Methods • Fecal occult blood test (FOBT) • Colonoscopy
  22. 22. Screening schedule Normal-risk • FOBT every 1 - 3 years, proceed with colonoscopy if positive • Colonoscopy every 5 - 10 years starting from age 45 High-risk • FOBT every year, proceed with colonoscopy if positive • Colonoscopy every 1 - 5 years Family history Previous colonic polyp Previous inflammatory bowel disease
  23. 23. Development of colon cancer
  24. 24. Conclusion • Colon cancer is the second most common cancer in Malaysia • Wide range of treatment options are available • Early detection will enable higher chance of cure • Screening is crucial
  25. 25. Thank you E-mail: cheachanhooi@yahoo.com WA: 0149972321 Tel: 085329333

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