Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Review
. 2007 Dec 15;335(7632):1260-2.
doi: 10.1136/bmj.39379.598090.AD.

Investigating rectal bleeding

Affiliations
Review

Investigating rectal bleeding

David Burling et al. BMJ. .

Abstract

Conventional colonoscopy is considered the optimal investigation for rectal bleeding; however, this article explores the use of virtual colonoscopy as a new investigative technique

PubMed Disclaimer

Conflict of interest statement

Competing interests: DB and SAT are remunerated consultants and hold share options for Medicsight (London), which develops computed tomography software. DB has received remuneration for consultant advice to Barco (Edinburgh), which also develops such software.

Figures

None
Fig 1 Three dimensional virtual colonoscopy “endoluminal” display of the transverse colon showing thin haustral folds and smooth normal mucosa
None
Fig 2 A 23 mm rectal “polyp” cancer displayed in three ways. Top: Virtual colonoscopy three dimensional display. Centre: Two dimensional sagittal computed tomogram showing polyp on posterior wall of rectum surrounded by gas. Bottom: Conventional colonoscopy showing snare around polyp before diathermy excision
None
Fig 3 High power view of rectal polyp showing tumour budding (arrow) and lymphovascular invasion (arrow head) indicating that the polyp was high risk for nodal metastasis

References

    1. Sosna J, Morrin MM, Kruskal JB, Lavin PT, Rosen MP, Raptopoulos V. CT colonography of colorectal polyps: a metaanalysis. AJR Am J Roentgenol 2003;181:1593-8. - PubMed
    1. Mulhall BP, Veerappan GR, Jackson JL. Meta-analysis: computed tomographic colonography. Ann Intern Med 2005;142:635-50. - PubMed
    1. Halligan S, Altman DG, Taylor SA, Mallett S, Deeks JJ, Bartram CI, et al. CT colonography in the detection of colorectal polyps and cancer: systematic review, meta-analysis, and proposed minimum data set for study level reporting. Radiology 2005;237:893-904. - PubMed
    1. Van Rijn JC, Reitsma JB, Stoker J, Bossuyt PM, van Deventer SJ, Dekker E. Polyp miss rate determined by tandem colonoscopy: a systematic review. Am J Gastroenterol 2006;101:343-50. - PubMed
    1. Hamilton W, Sharp D. Diagnosis of colorectal cancer in primary care: the evidence base for guidelines. Fam Pract 2004;21:99-106. - PubMed