Update on Flexible Sigmoidoscopy, Computed Tomographic Colonography, and Capsule Colonoscopy.

Seung Won Chung, Seifeldin Hakim, Shaheer Siddiqui, Brooks D Cash

Journal: Gastrointestinal endoscopy clinics of North America 2021;30(3):569-583

PMID: 32439089

Full Text on Elsevier Science View on PubMed

Abstract

This article reviews alternative colorectal cancer (CRC) screening tests, including flexible sigmoidoscopy (FS), computed tomography (CT) colonography, and colon capsule endoscopy. FS has abundant and convincing evidence supporting its use for CRC screening and is a commonly used CRC test worldwide. CT colonography has demonstrated convincing results for CRC screening, but concerns regarding cost, accuracy for flat or sessile neoplasia, reproducibility, extracolonic findings, and lack of coverage have limited its use and development. Colon capsule endoscopy has demonstrated encouraging results for polyp detection in average-risk individuals, but is not approved for CRC screening at the current time.

Address: Department of Internal Medicine, 6431 Fannin Street, MSB 1.150, Houston, TX 77030, USA.; Division of Gastroenterology, Hepatology, and Nutrition, 6431 Fannin Street, MSB 4.234, Houston, TX 77030, USA.; Division of Gastroenterology, Hepatology, and Nutrition, 6431 Fannin Street, MSB 4.234, Houston, TX 77030, USA. Electronic address: [email protected].

DOI: 10.1016/j.giec.2020.02.009

Link outs

Free resources

Medical:

https://medlineplus.gov/colorectalcancer.html

Subscription / membership required

Full Text Sources:

MeSH Terms: Capsule Endoscopy, Colonography, Computed Tomographic, Colorectal Neoplasms, Early Detection of Cancer, Humans, Imaging, Three-Dimensional, Mass Screening, Sigmoidoscopy