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Colorectal polyps

Last reviewed: 1 Feb 2026
Last updated: 06 Jan 2026

Summary

Definition

History and exam

Key diagnostic factors

  • family history
Full details

Other diagnostic factors

  • rectal bleeding
  • mucus discharge
  • weight loss
  • tenesmus
  • change in bowel habit
  • symptoms and signs of anemia
Full details

Risk factors

  • increasing age
  • family history of colorectal cancer or colorectal polyps
  • previous history of polyps
  • male sex
  • acromegaly
Full details

Diagnostic tests

1st tests to order

  • colonoscopy
  • CT colonography
  • chromoendoscopy
  • histology
Full details

Tests to consider

  • flexible sigmoidoscopy
Full details

Emerging tests

  • virtual chromoendoscopy techniques
  • artificial intelligence-assisted colonoscopy
  • capsule endoscopy

Treatment algorithm

ACUTE

suitable for endoscopic resection

unsuitable for endoscopic resection

Contributors

Authors

Edward T. Pring, FRCS, PhD

Post CCT Fellow

St Mark’s the National Bowel Hospital

London

UK

Disclosures

ETP declares that he has no competing interests.

Alison Wallace, MRCS, MSc

General Surgery Specialty Registrar

Oxford Deanery

Clinical Research Fellow

St Mark’s the National Bowel Hospital

London

UK

Disclosures

AW declares that she has no competing interests.

Marita Georgiou, ​MUDr, MRCS

General Surgery Specialty Registrar

East of England Deanery

Clinical Research Fellow

St Mark’s the National Bowel Hospital

General Resident Medical Officer

The London Clinic

London

UK

Disclosures

MG declares that she has no competing interests.

Jason Rai, MRCS, MMedEd

General Surgery Specialty Registrar

Oxford Deanery

Clinical Research Fellow

St Mark’s the National Bowel Hospital

London

UK

Disclosures

JR declares that he has no competing interests.

Laura E. Gould, MRCS

General Surgery Specialty Registrar

North East and Central London Deanery

Clinical Research Fellow

St Mark’s the National Bowel Hospital

London

UK

Disclosures

LG declares that she has no competing interests.

Dinh V. C. Mai, MRCS

General Surgery Specialty Registrar

Oxford Deanery

Clinical Research Fellow at St Mark’s the National Bowel Hospital

London

UK

Disclosures

DM declares that she has no competing interests.

Ioanna Drami, MRCS, MSc, BSc

General Surgery Specialty Registrar

North East and Central London Deanery

Clinical Research Fellow at St Mark’s the National Bowel Hospital

London

UK

Divulgaciones

ID declares that she has no competing interests.

John T. Jenkins, MD

Consultant Colorectal Surgeon

St Mark’s the National Bowel Hospital

London

UK

Divulgaciones

JTJ declares that he has no competing interests.

Agradecimientos

Mr Edward T. Pring, Mr Jason Rai, Miss Alison Wallace, Miss Marita Georgiou, Miss Laura E. Gould, Mr Dinh V. C. Mai, Miss Ioanna Drami and Mr John T. Jenkins would like to gratefully acknowledge Mr Phil Tozer and Mr George Malietzis previous contributors to this topic.

Divulgaciones

PT and GM declare that they have no competing interests.

Revisores por pares

John Anderson, FRCS

Consultant Colorectal Surgeon

Glasgow Royal Infirmary

Glasgow

UK

Divulgaciones

JA declares that he has no competing interests.

Sharon Stein, MD

Assistant Professor of Surgery

Division of Colon and Rectal Surgery

University Hospital Case Medical Center

Cleveland

OH

Divulgaciones

SS received a fee for educational courses on laparoscopic surgery, paid for in part by Covidien, Olympus, and Applied Medical.

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Referencias

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Artículos principales

Rex DK, Boland CR, Dominitz JA, et al. Colorectal cancer screening: recommendations for physicians and patients from the U.S. Multi-Society Task Force On Colorectal Cancer. Am J Gastroenterol. 2017 Jul;112(7):1016-30.Texto completo  Resumen

National Comprehensive Cancer Network. NCCN clinical practice guidelines in oncology: colorectal cancer screening [internet publication].Texto completo

National Comprehensive Cancer Network. NCCN clinical practice guidelines in oncology: colon cancer [internet publication].Texto completo

Artículos de referencia

Una lista completa de las fuentes a las que se hace referencia en este tema está disponible para los usuarios con acceso a todo BMJ Best Practice.
  • Colorectal polyps images
  • Diferenciales

    • Colorectal cancer
    • Hemorrhoids
    • Anal fissure
    Más Diferenciales
  • Guías de práctica clínica

    • NCCN clinical practice guidelines in oncology: colorectal cancer screening
    • NCCN clinical practice guidelines in oncology: colon cancer
    Más Guías de práctica clínica
  • Folletos para el paciente

    Bowel cancer

    Colonoscopy

    Más Folletos para el paciente
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