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Colonoscopy Effectiveness in Preventing Colorectal Cancer

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Colonoscopy Effectiveness in Preventing Colorectal Cancer

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Questions and Answers

What is the purpose of a colonoscopy?

To look for potentially cancerous growths and remove them (correct)

To treat existing tumors

To monitor colorectal cancer progression

To diagnose colorectal cancer

What percentage reduction in cancer deaths was found in a 2018 study from Kaiser Permanente?

67% (correct)

75%

50%

80%

What is the conclusion of the recent European study published in the New England Journal of Medicine?

Colonoscopies have a moderate impact in preventing colorectal cancer

Colonoscopies have a limited impact in preventing colorectal cancer (correct)

Colonoscopies are highly effective in preventing colorectal cancer

Colonoscopies are not effective in preventing colorectal cancer

What is the role of polyps in the development of colorectal cancer?

Polyps are slow-growing and can turn into cancer over time Signup and view all the answers

What is the leading cause of cancer deaths in the U.S.?

Colorectal cancer Signup and view all the answers

What is the purpose of removing polyps during a colonoscopy?

To prevent polyps from turning into cancer Signup and view all the answers

What is the main reason why the reduction in deaths due to colon cancer was considered statistically insignificant in the study?

Too many participants did not undergo the colonoscopy procedure Signup and view all the answers

According to Bret Petersen, what is the critical factor that determines the effectiveness of a colonoscopy?

Whether the patient actually undergoes the procedure Signup and view all the answers

What was the percentage reduction in the risk of developing colon cancer among those who actually underwent the colonoscopy procedure in the study?

31% Signup and view all the answers

What is the main argument made by Bret Petersen and the American Society for Gastrointestinal Endoscopy in response to the study's results?

The study's results do not detract from the value of colonoscopies in detecting and preventing colon cancer Signup and view all the answers

What is the main reason why the American Cancer Society suggests that the study's results may not fully capture the value of colonoscopies?

The study's follow-up period was too short Signup and view all the answers

What is the likely outcome of the controversy surrounding the study's results in terms of U.S. screening recommendations?

The study's results will have no impact on U.S. screening recommendations Signup and view all the answers