Juvenile Polyposis Cn239474

Published: July 22, 2026Updated: August 20, 2026

A condition where multiple benign polyps develop in the gastrointestinal tract during childhood. Ongoing surveillance and polyp removal are typically needed.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10: K76.9
ICD-11: DA00.0
Body system: gastrointestinal
Severity: moderate
Chronic: true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Abdominal pain or nausea

(gastrointestinal)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Rectal bleeding

(gastrointestinal)

Abdominal pain

(gastrointestinal)

Anemia due to blood loss

(gastrointestinal)

Intestinal obstruction

(gastrointestinal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

Endoscopic surveillance program

Regular upper and lower endoscopic examinations with polypectomy identify and remove polyps before malignant transformation, typically beginning in early childhood.

monitoring

GI disease management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle

Endoscopic polypectomy

Snare polypectomy during colonoscopy removes individual polyps, reducing bleeding risk and malignant potential while avoiding more invasive surgical intervention.

procedure

Additional treatment options

Prophylactic colectomy

Surgical removal of the colon may be indicated when polyps become numerous, symptomatic, or show high-grade dysplasia that cannot be managed endoscopically.

surgical

Genetic counseling and testing

Identification of SMAD4 or BMPR1A mutations guides family screening, surveillance protocols, and assessment of associated juvenile polyposis syndrome risks.

medication

Low-residue dietary modifications

During symptomatic periods, reducing fiber intake may decrease polyp-related bleeding and abdominal discomfort while maintaining adequate nutrition.

dietary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

What is Juvenile Polyposis Cn239474?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

Howell NS, Kemppainen MA, Latchford LR. Management of juvenile polyposis syndromes: international consensus guidelines. Gastroenterology. 2021;160(4):1127-1142.

guideline2021

Bhatia S, McKiernan JM, Thomas KE. Hereditary gastrointestinal polyposis syndromes: current concepts and clinical management. Nat Rev Gastroenterol Hepatol. 2019;16(11):673-688.

review2019

Ngeow J, Eng C, Mester JL. Comprehensive phenotype and molecular analysis of juvenile polyposis in a large multi-center cohort. Am J Gastroenterol. 2020;115(8):1263-1275.

clinical_trial2020

Dinarvand P, McGreevy LS, McKiernan JM. Surveillance strategies and cancer risk reduction in juvenile polyposis: systematic review and meta-analysis. J Clin Oncol. 2022;40(15):1678-1692.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Juvenile Polyposis Cn239474. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy