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Related Concept Videos

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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:
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...

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Related Experiment Video

Updated: Jun 23, 2026

A New Technique for Treating Low-risk Prostate Cancer—Super Active Surveillance
05:19

A New Technique for Treating Low-risk Prostate Cancer—Super Active Surveillance

Published on: November 7, 2025

Adherence to 2020 US Multi-Society Task Force Guidelines for Post-Polypectomy Surveillance: a Multicenter Real-Time

Kacey Idouchi1,2, Wasif Hassan3, Mathew J Gregoski4,5

  • 1Digestive Disease Research Center, Medical University of South Carolina, 96 Jonathan Lucas Street, Clinical Sciences Building, Suite 908, Charleston, SC, 29425, USA. kacey.idouchi@stonybrookmedicine.edu.

Journal of Gastrointestinal Cancer
|June 20, 2026
PubMed
Summary
This summary is machine-generated.

Adherence to 2020 colonoscopy surveillance guidelines remains suboptimal, with early surveillance common for hyperplastic polyps and low-risk adenomas. High-risk adenomas often experience delayed follow-up, indicating implementation gaps.

Keywords:
CancerColonEndoscopyPolypQualityScreeningU.S. Multi-Society Task Force

Related Experiment Videos

Last Updated: Jun 23, 2026

A New Technique for Treating Low-risk Prostate Cancer—Super Active Surveillance
05:19

A New Technique for Treating Low-risk Prostate Cancer—Super Active Surveillance

Published on: November 7, 2025

Area of Science:

  • Gastroenterology
  • Endoscopy
  • Preventive Medicine

Background:

  • The U.S. Multi-Society Task Force (USMSTF) issued updated guidelines in 2020 recommending less frequent post-polypectomy surveillance.
  • Despite updated guidelines, premature colonoscopies and suboptimal adherence to surveillance intervals persist.
  • This study investigates adherence trends and influencing factors five years after the 2020 guideline release.

Purpose of the Study:

  • To evaluate adherence to the 2020 USMSTF colonoscopy surveillance guidelines.
  • To determine if adherence has improved over time since the guidelines were published.
  • To identify factors associated with non-adherence to recommended surveillance intervals.

Main Methods:

  • A multicenter retrospective cohort study included 452 patients undergoing their first surveillance colonoscopy between 2020 and 2025.
  • Pathology findings from index and surveillance colonoscopies were analyzed, categorizing lesions as hyperplastic polyps (HPs), low-risk adenomas (LRAs), or high-risk adenomas (HRAs).
  • Surveillance timing was classified as early or late if performed more than six months outside the recommended interval.

Main Results:

  • Early surveillance occurred in 58% of first surveillance colonoscopies, while late surveillance occurred in 13%.
  • Early surveillance was significantly more common for patients with only HPs (82%) and LRAs (64%).
  • Patients with HRAs were more likely to experience delayed surveillance (OR 0.096). Early surveillance rates showed variability by year, increasing from 46% in 2020 to 60% in 2025.

Conclusions:

  • Adherence to the 2020 USMSTF colonoscopy surveillance guidelines remains suboptimal five years post-publication.
  • There are persistent gaps in the implementation of recommended post-polypectomy surveillance protocols.
  • The findings underscore the need for improved strategies to ensure guideline adherence for optimal colorectal cancer prevention.