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Living with Gardner syndrome

A form of familial adenomatous polyposis with many colon polyps, other tumors, bone growths, and skin and dental changes.

Understanding Gardner syndrome

Gardner syndrome is a form of familial adenomatous polyposis (FAP) with many colorectal polyps and various tumors.

Tumors may be benign (noncancerous) or malignant (cancerous). People also have a higher chance of other FAP-related cancers, such as those of the small bowel, stomach, pancreas, thyroid, brain and spinal cord, liver, bile ducts, or adrenal gland. Other signs include dental differences, benign bone growths (osteomas), skin cysts, fibromas, lipomas, and desmoid tumors.

Signs & symptoms

GARD lists these among the signs of Gardner syndrome:

  • Many polyps in the colon and rectum
  • Dental differences
  • Benign bone growths (osteomas)
  • Skin cysts (epidermoid cysts)
  • Benign tumors such as fibromas and lipomas
  • Desmoid tumors

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  4. Connect with expert centers

    Desmoid Tumor Research Foundation, Fight Colorectal Cancer and FORCE: Facing Our Risk of Cancer Empowered may keep lists of experts for this condition.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Expert lists: Desmoid Tumor Research Foundation, Fight Colorectal Cancer, FORCE: Facing Our Risk of Cancer Empowered
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Desmoid Tumor Research Foundation and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
What screening schedule do you recommend for me and my relatives?
Can genetic testing for the APC gene help my family?
What surgery or medicine options might lower my risks?

Quick facts

Changes in the APC gene cause this condition. It is inherited in an autosomal dominant way, which means one changed copy of the gene is enough.

Also known as: gardner's syndrome; gs; gs - gardner's syndrome; intestinal polyposis, osteomas, sebaceous cysts; polyposis coli and multiple hard and soft tissue tumors

Patient organizations

Source: NIH GARD · Gardner syndromeGARD ID 6482 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Gardner syndrome.

Explore the Gardner syndrome blog

Explore research for Gardner syndrome

Explore actively recruiting Gardner syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Gardner syndrome with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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