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Juvenile Polyposis Syndrome C0345893

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

A genetic condition causing multiple benign polyps to grow in the digestive tract, increasing cancer risk. Requires lifelong monitoring and may need polyp removal.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Rectal bleeding

!

Intussusception

Abdominal pain or nausea

(gastrointestinal)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Abdominal pain

(gastrointestinal)

Anemia

(gastrointestinal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Endoscopic Surveillance and Polypectomy

Regular upper and lower endoscopy with removal of polyps to prevent bleeding, anemia, and reduce malignancy risk. Polyps are removed as they are identified during surveillance.

surgical
2

GI disease management

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Prophylactic Colectomy

Surgical removal of the colon when polyp burden becomes unmanageable endoscopically or when high-grade dysplasia is detected. May involve total or subtotal colectomy with ileorectal anastomosis.

surgical

Additional treatment options

Proton Pump Inhibitor Therapy

Acid suppression to reduce upper GI bleeding from gastric polyps and improve tolerability of any iron supplementation therapy for associated anemia.

medication

Iron and Nutritional Supplementation

Targeted replacement of iron, B12, and folate as needed given chronic blood loss. Dietary counseling to maximize iron absorption and overall nutritional status.

dietary

Genetic Testing and Family Screening

Germline SMAD4 mutation testing for the patient and cascade testing of family members. Guides surveillance protocols and reproductive counseling.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Juvenile Polyposis Syndrome C0345893?

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

general

Medication Comparisons

Compare medications used to treat Juvenile Polyposis Syndrome C0345893. 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