Colonic neoplastic polyps

Dr Santosh Narayankar,Gastroenterology,Yashoda hospital Hyderabad

1. Colonic Neoplastic Polyps

2. Definition

3. Classifications

4. Pathology

5. World Health Organization, adenomas are classified

6. Tubular Villous

7. Dysplasia

8. Histologic Types of Adenomas and Their Features

9. Malignant Potential of Polyp

10. Flat Polyps

11. Relation of Adenoma, Histology, and Degree of Dysplasia to the Incidence of Invasive Carcinoma by Adenoma Size

12. Pathogenesis Adenomatous polyps are thought to arise from a failure in a step , or steps, of the normal process of cell proliferation and cell death (apoptosis ).

13. Pathogenesis

14. Pathway Of Colon Carcinogenesis

15. Evolution of adenoma & colon ca

16. Pravalence

17. Anatomic Distribution of Colorectal Adenomas Based on Autopsy and Colonoscopy Studies

18. Risk Factors for Susceptibility to Adenomas

19. Inherited Susceptibility

20. Dietary and Lifestyle Risk Factors Increased risk Protective

21. Dietary and Lifestyle Risk Factors

22. Dietary and Lifestyle Risk Factors

23. Conditions Associated with Adenomatous Polyps

24. Clinical Features

25. Detection

26. Sigmoidoscopy

27. Colonoscopy

28. CT C olonography (virtual colonoscopy ) Concerns

29. CT colonography CT

30. Newer methods Altered human DNA in stool analysis 3-4 times more sensitive for adenoma detection

31. Treatment

32. Initial treatment

33. A few general recommendations

34. Polyp Recurrence Rates.

35. Surveillance Recommendations after Polypectomy

36. Serrated Polyps

37. Features of Serrated Polyps

38. Treatment

39. Thank you