2012 ASGE Flashcards
Most common neoplasm found during CRC screening
Adenomatous polyps
If with no polyps on baseline colonoscopy
10 year interval
Small (<10mm) hyperplastic rectosigmoid polyps
10 year interval
1-2 small tubular adenom
5-10 year interval
3-10 tubular adenomas
3 year interval
> 10 adenomas
<3 year interval
> /10mm tubular adenomas
3 year interval
Any villous adenoma
3 year interval
Adenoma with HGD
3 year interval
Sessile serrated polyp <10mm with no dysplasia
5 year interval
Sessile serrated polyp >/= 10mm
If with dysplasia
Serrated adenoma
3 year interval
Serrated polyposis syndrome interval
1 year
What is Serrated Polyposis Syndrome
At least 5 proximal to sigmoid with 2 or more >/=10mm
With family history of SPS with presence of serrated polyp
>20 serrated polyps anywhere
What is high risk adenoma
3 or more adenomas
Tubular adenoma >/=10mm
Villous adenoma
HGD
Low risk adenoma
1-2 tubular adenomas <10mm
If on baseline = LRA
First surveillance = HRA
Second surveillance = 3 years
If on baseline and on first surveillance = LRA
Second surveillance = 5 years
If on baseline = LRA
First surveillance = No adenoma
Second surveillance = 10 years
If on baseline = HRA
First surveillance = HRA
Second surveillance = 3 years
If on baseline = HRA
First surveillance = LRA
Second surveillance = 5 years
If on baseline = HRA
First surveillance = No adenoma
Second surveillance = 5 years
When should surveillance stop?
> 85 years
If bowel prep is poor, when should colonoscopy be repeated?
After one year
If the bowel prep is fair but adequate, when should colonoscopy be repeated?
After 5 years