Impact of the COVID-19 Pandemic on the Diagnosis of Colorectal Cancer within a Population-Based Organized Screening Program.

Background: The interruption of the activity of population-based organized colorectal cancer (CRC) screening programs due to the COVID pandemic may have affected their results in terms of the detection of preneoplastic lesions and CRC. We evaluated the impact of the COVID pandemic on the delays, participation, adherence to colonoscopies, lesions detected, and CRC stage at diagnosis in a CRC screening program.

Methods: We analyzed all the invitations between 1 January 2019 and 31 December 2021.

Surgical complications in a population-based colorectal cancer screening program: Incidence and associated factors.

Introduction: Colorectal cancer (CRC) screening programs produce risks, including those derived from colorectal surgeries. The objective of this analysis is to evaluate the complications associated with the surgery.

Patients And Methods: Retrospective analysis including patients who required colorectal surgery within the population-based CRC screening program in Galicia (May 2013-June 2019).

Polyprev: Randomized, Multicenter, Controlled Trial Comparing Fecal Immunochemical Test with Endoscopic Surveillance after Advanced Adenoma Resection in Colorectal Cancer Screening Programs: A Study Protocol.

Colorectal cancer (CRC) screening programs have been implemented to reduce the burden of the disease. When an advanced colonic lesion is detected, clinical practice guidelines recommend endoscopic surveillance with different intervals between explorations. Endoscopic surveillance is producing a considerable increase in the number of colonoscopies, with a limited effect on the CRC incidence.

Overtreatment in nonmalignant lesions detected in a colorectal cancer screening program: a retrospective cohort study.

Background: Although colorectal cancer (CRC) screening programs reduce CRC incidence and mortality, they are associated with risks in healthy subjects. However, the risk of overtreatment and overdiagnosis has not been determined yet. The aim of this study was to report the surgery rates in patients with nonmalignant lesions detected within the first round of a fecal immunochemical test (FIT) based CRC screening program and the factors associated with it.