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Report in English with a Dutch summary (KCE reports 45A)

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164 Screen<strong>in</strong>g for Colorectal Cancer: Appendices <strong>KCE</strong> <strong>reports</strong> vol.45<br />

Nr Title Issued by Type<br />

Statement:Colorectal<br />

Cancer Screen<strong>in</strong>g and<br />

Surveillance 188.<br />

3 The Quebec Association of<br />

Gastroenterology position<br />

paper on colorectal cancer<br />

screen<strong>in</strong>g - 2003 181.<br />

Statements<br />

Committee of the<br />

World<br />

Gastroenterology<br />

Organisation<br />

(WGO-OMGE)<br />

Quebec Association<br />

of Gastroenterology<br />

Task Force<br />

(AGEQTF)<br />

Target<br />

population<br />

50 y. old<br />

HC/PR Patients 50 y. old<br />

at low CRC risk and<br />

otherwise<br />

asymptomatic<br />

Screen<strong>in</strong>g<br />

methods /<br />

options<br />

considered<br />

2. FS<br />

3. FOBT & FS<br />

comb<strong>in</strong>ed<br />

4. Colonoscopy<br />

5. DCBE <strong>with</strong> FS<br />

1. FOBT<br />

2. FS<br />

3. Colonoscopy<br />

4, DCBE<br />

5. Virtual<br />

colonoscopy<br />

Interval<br />

<strong>with</strong> a sensitive<br />

guaiac or<br />

immunochemical<br />

test<br />

2. FS every 5 years<br />

3. FOBT & FS<br />

comb<strong>in</strong>ed<br />

(preferably)<br />

4. colonoscopy<br />

every 10 years<br />

5. DCBE <strong>with</strong> FS<br />

every 5 - 10 years<br />

1. Annually or<br />

biennially<br />

2. 5 to 10 yearly<br />

3. 5 to 10 yearly<br />

4. 10 yearly<br />

5. Not mentioned<br />

Support<strong>in</strong>g<br />

evidence classes<br />

& quality rat<strong>in</strong>g<br />

discussed but not<br />

rated<br />

1. FOBT: Level I /<br />

Grade A<br />

2. FS: II-2 / Grade<br />

B<br />

3. Colonoscopy:<br />

Level II (diagnosis<br />

CRC/polyps &<br />

polypectomy) /<br />

Grade C for<br />

screen<strong>in</strong>g<br />

4. BCBE: II-3<br />

(diagnosis<br />

CRC/polyps) /<br />

Grade C for<br />

screen<strong>in</strong>g<br />

5. Virtual<br />

colonoscopy:<br />

<strong>in</strong>sufficient<br />

evidence<br />

Rat<strong>in</strong>g<br />

system<br />

See<br />

Appendix 2<br />

(CTFPHC)<br />

Conclusions<br />

offered screen<strong>in</strong>g for adenomatous polyps and<br />

cancer <strong>with</strong> one of the follow options: Fecal<br />

occult blood test<strong>in</strong>g annually <strong>with</strong> a sensitive<br />

guaiac or immunochemical test, FS every 5 years,<br />

preferably both comb<strong>in</strong>ed, colonoscopy every 10<br />

years, or DCBE <strong>with</strong> FS every 5 - 10 years.<br />

People <strong>with</strong> 1 or 2 first-degree relatives <strong>with</strong><br />

colorectal cancer or an adenomatous polyp<br />

under age 60 should be offered screen<strong>in</strong>g<br />

beg<strong>in</strong>n<strong>in</strong>g at age 40 <strong>with</strong> one of the above<br />

options. A family history consistent <strong>with</strong> FAP or<br />

HNPCC requires genetic counsell<strong>in</strong>g, possibly<br />

genetic test<strong>in</strong>g and more <strong>in</strong>tense surveillance at a<br />

younger age.<br />

There exists Level I evidence that screen<strong>in</strong>g<br />

reduces the mortality from CRC (A<br />

recommendation) and the cost effectiveness of a<br />

screen<strong>in</strong>g program compares favourably <strong>with</strong><br />

<strong>in</strong>itiatives for breast and cervical cancer. Fecal<br />

occult blood test<strong>in</strong>g (FOBT), endoscopy<br />

(<strong>in</strong>clud<strong>in</strong>g sigmoidoscopy and colonoscopy),<br />

barium enema and virtual colonoscopy were<br />

considered. Although most cl<strong>in</strong>ical efficacy data<br />

are available for FOBT and sigmoidoscopy, there<br />

are limitations to programs based on these<br />

strategies. FOBT has a high false positive rate and<br />

a low detection yield, and even a comb<strong>in</strong>ation of<br />

these strategies will miss 24% of cancers.<br />

Colonoscopy is the best strategy to both detect<br />

and remove polyps and to diagnose colorectal<br />

cancer, <strong>with</strong> double contrast barium enema also<br />

be<strong>in</strong>g a sensitive detection method.<br />

The Task Force recommended the establishment,<br />

<strong>in</strong> Quebec, of a screen<strong>in</strong>g program <strong>with</strong> 5- to 10yearly<br />

double contrast barium enema or 10yearly<br />

colonoscopy for <strong>in</strong>dividuals aged 50 years<br />

or older at low risk. The program should <strong>in</strong>clude<br />

outcome monitor<strong>in</strong>g, public and professional<br />

education to <strong>in</strong>crease awareness and promote<br />

compliance, and central coord<strong>in</strong>ation <strong>with</strong> other<br />

prov<strong>in</strong>cial programs. The program should be<br />

evaluated; specific bill<strong>in</strong>g codes for screen<strong>in</strong>g for<br />

colorectal cancer would help facilitate this.<br />

Formal feasibility, effectiveness and costeffectiveness<br />

studies <strong>in</strong> Quebec are now<br />

warranted.<br />

Grades of<br />

recommendati<br />

on<br />

Recommendation<br />

A on a screen<strong>in</strong>g<br />

program for CRC

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