• The Value of Colonoscopy
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  • Prevent Colorectal Cancer
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  • About ASGE
Colonoscopy prevents cancer Safe during pandemic High risk groups Early age onset Expanding access Most efficient test

Prevent Colorectal Cancer

Screening early saves lives

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Colonoscopy prevents cancer Safe during pandemic High risk groups Early age onset Expanding access Most efficient test

We need to continuously remind patients of the importance of screening for colorectal cancer. Colonoscopy continues to be the gold standard in preventing colorectal cancer and saving lives. It is still the only proven and most effective colorectal cancer screening tool.


Read and listen to remarks by ASGE President Bret Petersen, MD, MASGE in the NPR article on: Colonoscopies save lives. Doctors push back against European study that casts doubt.


The American Society for Gastrointestinal Endoscopy (ASGE) has collated critical information here to enable you to make informed choices about your health care.


View ASGE leaders promoting the importance of colorectal cancer screening in this Balancing Act segment on Lifetime TV.



Colonoscopy does not just screen for colorectal cancer it is also a critical strategy for preventing cancer

Colonoscopy reduces cancer rates with removal of polyps before they become cancerous, thereby remaining at stage zero

videos webinars slide decks guidelines

Promoting the Value of Colonoscopy to Referring Networks and Patients - latest USPSTF guidelines and more

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Promoting the Value of Colonoscopy to Your Patients - a webinar recording

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Colorectal Screening and Surveillance

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Choosing Among Colorectal Cancer Screening Tests

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Choosing Among Colorectal Cancer Screening Tests (with narration)

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Colorectal Screening and Surveillance

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Choosing Among Colorectal Cancer Screening Tests

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Choosing Among Colorectal Cancer Screening Tests (with narration)

Learn more

Choosing Among Colorectal Cancer Screening Tests (with narration)

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Choosing Among Colorectal Cancer Screening Tests (with narration)

Learn more

Choosing Among Colorectal Cancer Screening Tests (with narration)

Learn more

Choosing Among Colorectal Cancer Screening Tests (with narration)

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Colonoscopy is a safe colorectal cancer prevention test that should not be delayed even in a pandemic

videos webinars slide decks guidelines safety

Refer your patients to the following helpful videos:

Promoting the Value of Colonoscopy to Referring Networks and Patients - latest USPSTF guidelines and more

Learn more

Promoting the Value of Colonoscopy to Your Patients

Learn more

Promoting the Value of Colonoscopy to Referring Networks and Patients - latest USPSTF guidelines and more

Learn more

Promoting the Value of Colonoscopy to Your Patients

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Guidance for Resuming GI Endoscopy and Practice Operations

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Safety Materials

Customizable Poster/Flyer - Keeping Endoscopy Patients Safe During COVID-19 and Beyond  

  • PDF 
  • WORD black and white 
  • WORD color 

Customizable Poster – Safety Information for Endoscopy Patients 

  • PDF 
  • WORD black and white 
  • WORD color 

Customizable Handout – FAQs for Schedulers 

  • PDF 
  • WORD black and white 
  • WORD color 

Colonoscopy is critical for high-risk groups

High risks include previous symptoms, prior polyps, ethnicity, age and other factors

videos slide decks guidelines

Colorectal Screening and Surveillance

Learn more

Choosing Among Colorectal Cancer Screening Tests 

Learn more

Choosing Among Colorectal Cancer Screening Tests (with narration)

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2021 USPSTF Guidelines - A Quick Summary

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2021 US Preventive Services Task Force colorectal cancer screening recommendations - A Video Summary

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Latest 2021 recommendations on colorectal cancer screening from the US Preventive Services Task Force

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Colonoscopy evaluates symptoms in individuals younger than recommended screening age

videos
Share resources with your patients

Expanding access to high quality colorectal cancer screening and prevention in underserved communities

Ensuring equity in access to colorectal cancer prevention

videos slide decks journal
GIE: Impact of COVID-19 on colorectal cancer disparities and the way forward

Colorectal Screening and Surveillance

Learn more

Choosing Among Colorectal Cancer Screening Tests 

Learn more

Choosing Among Colorectal Cancer Screening Tests (with narration)

Learn more

GIE: Impact of COVID-19 on colorectal cancer disparities and the way forward

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Colonoscopy is the most efficient colorectal cancer prevention test

Colonoscopy is cost efficient, as well as time-efficient – in 10 years, you will need 10 FIT tests but only one colonoscopy, with a total of four colonoscopies in a lifetime for the average patient

videos slide decks guidelines

Colorectal Screening and Surveillance

Learn more

Choosing Among Colorectal Cancer Screening Tests

Learn more

Choosing Among Colorectal Cancer Screening Tests (with narration)

Learn more

Bowel Preparations

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2021 USPSTF Guidelines - A Quick Summary

Learn more

2021 US Preventive Services Task Force colorectal cancer screening recommendations - A Video Summary

Learn more

Latest 2021 recommendations on colorectal cancer screening from the US Preventive Services Task Force

Learn more

Journal Scans

  • Colorectal

    Modeling Suggests Later Starting Age and 3-Year Intervals for Colonoscopy in MSH6 and PMS2

    Douglas K. Rex, MD, MASGE reviewing Kastrinos F, et al. Gastroenterology 2021 Apr 8.

    Lynch syndrome is associated with increased cancer risk, particularly in the colorectum, as a result of germline mutations in any of 4 mismatch repair genes. In a modeling study, researchers analyzed the optimal surveillance strategy for each mismatch repair gene.



  • Colorectal

    Bad Outcomes for Patients Not Undergoing Colonoscopy After Positive Fecal Immunochemical Test

    Douglas K. Rex, MD, MASGE reviewing Zorzi M, et al. Gut 2021 Mar 31.

    In an Italian study using a fecal immunochemical test (FIT)-positivity cutoff of 20 µg Hb/g feces, 88,013 FIT-positive patients (79%) underwent colonoscopy, and 23,410 (21%) did not. Researchers investigated whether patients who failed to obtain a colonoscopy after a positive FIT had higher colorectal cancer and mortality rates.



  • Colorectal

    Adherence To Colonoscopy After Positive Fecal Immunochemical Testing Is Related To Patient Navigation and Distance From Center

    Douglas K. Rex, MD, MASGE Idos GE, et al. Clin Transl Gastroenterol 2021 Feb.

    According to recent studies, follow-up colonoscopy rates are low after positive fecal immunochemical testing (FIT). These authors established a patient navigation program and evaluated its effectiveness by comparing colonoscopy adherence rates after abnormal FIT to rates from a previous year without patient navigation.



  • Colorectal

    Adenoma Detection Rate Can Be Measured in Combined Screening, Surveillance, and Diagnostic Examinations

    Douglas K. Rex, MD, MASGE reviewing Kaltenbach T, et al. Clin Gastroenterol Hepatol 2021 Feb 18.

    When the adenoma detection rate (ADR) was originally proposed as a quality measure in 2002, the recommendation did not constrain its indication to screening colonoscopies; the recommendation to limit the use of ADR measurement to screening colonoscopies was made in 2006. These researchers sought to prove that ADR for screening, surveillance, and diagnostic examinations combined is similar to screening ADR alone.



  • Colorectal

    Endocuff Vision Raises Adenoma Detection Rate by 7% in Randomized Controlled Trial in FIT-Positive Patients

    Douglas K. Rex, MD, MASGE reviewing Zorzi M, et al. Endoscopy 2021 Feb 1.

    Recent analyses suggest that colonoscopy with the original Endocuff or newer Endocuff Vision (EV) is superior to standard colonoscopy but that Endocuff has a greater impact than EV. However, the devices have not been compared head-to-head, and currently, only the EV is available. In a randomized controlled trial, colonoscopy with EV was compared to standard colonoscopy, with adenoma detection rates as the primary outcome, in patients with positive fecal immunochemical test results.



  • Colorectal

    Cancer Incidence and Mortality Risk After Index Colonoscopies Showing Low-Risk Adenomas, High-Risk Adenomas, or No Adenomas

    Douglas K. Rex, MD, MASGE reviewing Duvvuri A, et al. Gastroenterology 2021 Jan 28.

    Postpolypectomy surveillance recommendations are based on observational studies, often using advanced adenomas at follow-up as their primary outcome. A new meta-analysis compared incident cancer and related mortality rates among 510,019 patients with low-risk, high-risk, or no adenomas detected at index colonoscopy.



  • Colorectal

    Sequential Versus Multiple Options Approaches to CRC Screening: Equal Adherence, More Colonoscopy

    Douglas K. Rex, MD, MASGE reviewing Pilonis ND, et al. Gastroenterology 2020 Dec 8.

    Many guideline groups endorse offering patients multiple options for colorectal cancer screening, but randomized trials have shown that overall adherence is as high with sequential offers as multiple options, and more patients undergo colonoscopy (or another test offered first) with sequential offers. In this trial comparing participation outcomes, 12,485 patients were randomized to colonoscopy only, a sequential offer of colonoscopy and then fecal immunochemical testing (FIT), or the choice between colonoscopy and FIT.



  • Colorectal

    Colonoscopy for Positive Fecal Immunochemical Test Cannot Wait

    Douglas K. Rex, MD, MASGE reviewing Mutneja HR, et al. J Gastroenterol Hepatol 2020 Dec 22.

    Various guideline groups have recommended that patients with positive fecal immunochemical tests (FIT) undergo colonoscopy within 1 or 2 months. This study aimed to determine whether the timing of a colonoscopy after a positive FIT affects colorectal cancer detection outcomes.



  • Colorectal

    Oral Sulfate Tablets for Bowel Preparation Are Effective and Safe

    Douglas K. Rex, MD, MASGE reviewing Di Palma JA, et al. Am J Gastroenterol 2020 Nov 6.

    This study compared the safety and efficacy of a new formulation of oral sulfate in tablet form to polyethylene glycol with ascorbate. Oral sulfate tablets were recently approved for release in the U.S. The product launch is expected by January 2021.



  • Colorectal

    Lynch Syndrome Colonoscopy: Quality Matters

    Douglas K. Rex, MD, MASGE reviewing Sánchez A, et al. Clin Gastroenterol Hepatol 2020 Nov 2.

    In the U.S., colonoscopy is usually performed at 1- to 2-year intervals in Lynch syndrome. This multicenter study, which included 893 Lynch syndrome carriers undergoing surveillance colonoscopy, evaluated the relationship of adenoma detection and postcolonoscopy colorectal cancer to quality indicators.



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About the American Society for Gastrointestinal Endoscopy

Since its founding in 1941, the American Society for Gastrointestinal Endoscopy (ASGE) has been dedicated to advancing patient care and digestive health by promoting excellence and innovation in gastrointestinal endoscopy. ASGE, with more than 14,000 members worldwide, promotes the highest standards for endoscopic training and practice, fosters endoscopic research, recognizes distinguished contributions to endoscopy, and is the foremost resource for endoscopic education. Visit ASGE.org and  Screen4ColonCancer.org for more information and to find a qualified doctor in your area. Connect with ASGE on Twitter @ASGEendoscopy, and on LinkedIn and Facebook.

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