1. Colorectal Cancer: Risk Prevention and Diagnosis
Dr Cyril Evbuomwan

2. Colorectal Cancer It is cancer of the large bowel and rectum
It is the third most common cancer in men
It is the second most common cancer in women
It is the fourth most common cause of death from cancer globally
1.4m new cases and 700,000 death annually

3. Colorectal Cancer: Occurrence and risk factors
Incidence increases with age peak around 70yrs of age
Male sex
Red meat and process meat consumption
Overweight
Alcohol
Smoking
Family history
Medical conditions: polyp, Diabetes, IBD( inflammation of bowel)

4. Colorectal Cancer: Presentation
Abdominal Pain
Change in bowel Habit: constipation, diarrhoea, increased frequency
Bleeding per rectum
Anaemia with evidence of iron deficiency(present in 10%)
Weight loss
Signs of bowel obstruction
Abdominal mass

5. Colorectal Cancer: Investigations
Colonoscopy and biopsies
Scan: CT colonography
X-ray: Barium Enema
FOB
Some blood test

6. Colorectal Cancer: Prevention
Adequate diet: Increased fibres like cereal, grain,
Milk and cheese, calcium
Aspirin
Increased exercise

7. Bowel Cancer: Screening Programme(FOBT)
England and Wales
Invited every 2yrs from 60-74
SCOTLAND
FROM 50-74YRS

8. Bowel Cancer: Screening Programme
Benefits
Lowers risk of bowel cancer
Can pick cancer at very early stage and improves outcome of treatment
Can identify conditions which can lead to cancer in future

9. Bowel cancer: Screening Programme
Risks
Cancer not bleeding can be missed
Blood from non cancer cause can lead to false positive result
Cancer can develop in the 2yrs between screenin

10. Bowel Cancer screening: High Risk Persons
Usually by colonoscopy and start early
Those with genetic conditions that increase risk of bowel Cancer
Strong family History
Certain bowel conditions: Crohns Ulcerative Colitis
Certain conditions like Acromegaly