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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
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Serum Laboratory Studies, Stool Test, Breath Test01:30

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Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
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Cancer Prevention02:59

Cancer Prevention

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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
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Updated: Mar 2, 2026

Evaluation of Colorectal Cancer Risk and Prevalence by Stool DNA Integrity Detection
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Colorectal Cancer Screening.

Jesse Samuel Moore1, Tess Hannah Aulet2

  • 1Department of Surgery, University of Vermont Medical Center, 111 Colchester Avenue, Mailstop 320FL4, Burlington, VT 05401, USA.

The Surgical Clinics of North America
|May 15, 2017
PubMed
Summary

Colorectal cancer screening is vital for early detection and reduced mortality. Patient adherence to recommended screening plans is crucial for effective prevention strategies.

Keywords:
CT colonographyColonoscopyColorectal cancerPreventionScreening

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Area of Science:

  • Oncology
  • Preventive Medicine
  • Gastroenterology

Background:

  • Colorectal cancer (CRC) remains a significant public health concern.
  • Early detection through screening dramatically improves patient outcomes and reduces mortality rates.
  • Various screening modalities exist, differing in methodology and efficacy.

Purpose of the Study:

  • To emphasize the critical role of colorectal cancer screening.
  • To underscore the importance of patient engagement and adherence in screening programs.
  • To highlight the necessity of understanding risk stratification and guidelines for effective patient counseling.

Main Methods:

  • Review of current literature on colorectal cancer screening.
  • Analysis of the impact of early detection on mortality.
  • Discussion of patient compliance factors in screening regimens.

Main Results:

  • Early detection of colorectal cancer is strongly correlated with decreased mortality.
  • Patient participation and consistent adherence to screening protocols are key to successful prevention.
  • Effective screening requires knowledge of individual risk factors and established guidelines.

Conclusions:

  • Colorectal cancer screening is essential for both prevention and early diagnosis.
  • Successful screening outcomes depend on patient engagement and adherence to recommended protocols.
  • Healthcare providers must be well-versed in risk stratification and screening guidelines to optimize patient care.