| Risk |
Procedure |
Onset
(Age, yr) |
Yearly |
| Low
or Average |
65-75
perceint of people Digital Rectal exam & one of the following: |
50 |
Yearly
|
A.
Asymptomatic-
no risk |
Factors
Fecal occult blood testing & flexible sigmoidoscopy |
50 |
FOB
yearly Flex-sig every 5 years |
| B.
Colorectal cancer in no 1st degree relatives |
Total
colon exam (colonoscopy or double contrast barium enema and proctosigmoidoscopy)
|
50
|
Every
5 to 10 years |
| Moderate
Risk, 20-30 percent of people |
|
|
|
| A.
Colorectal cancer in 1st Degree relative, age 55 or younger, or 2
or more 1st degree relatives of any ages |
Colonoscopy |
40
or 10 yrs before the youngest case in the family, whichever is earlier |
Every
5 years |
| B.
Colorectal cancer in a 1st Degree relative over the age of 55 |
Colonoscopy |
50
or 10 yrs before the age of the case, whchever is earlier |
Every
5 to 10 years |
| C.
Personal history of large Greater than or = 1 cm, Or multiple colorectal
Polyps of any size |
Colonoscopy |
One
year after polypectomy If recurrent polyps- 1 yr |
if
normal-5 yrs |
| D.
Personal history of colorectal Malignancy- surveillance. After resection
for curative Intent |
Colonoscopy |
1
year after |
If
normal- 3 yrs. If still normal- 5 yrs. If abnormal as above |
| High
Risk, 6-8 percent of people |
|
|
|
| A.
Family history of familial Adenomatous polyposis |
Flexible
Sigmoidoscopy; consider genetic counseling; consider Genetic testing |
12
to 14 (puberty) |
Every
1 to 2 yrs |
| B.
Family history of hereditary honpolyposis Colon cancer |
Colonoscopy;
consider genetic counseling; consider genetic testing |
21
to 40
40 |
Every
2 years
Every year |
C.
Inflammatory bowel diseae
1. Left-sided colitis
2 Pancolitis |
Colonoscopy
Colonoscopy |
15th
8th |
Every 1-2 years
Every 1-2 years |