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Living with Caroli syndrome

A rare liver condition with widened bile ducts and liver scarring, often along with a kidney condition.

Understanding Caroli syndrome

Caroli syndrome is a rare genetic liver disease with widened, cyst-like bile ducts and scarring of the liver present from birth (congenital hepatic fibrosis).

When symptoms start and how fast it progresses vary. People may have repeated bile duct infections (cholangitis) and stones in the liver or gallbladder. High pressure in the portal vein (portal hypertension) may appear later. The syndrome is often linked with autosomal recessive polycystic kidney disease.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Belly pain
  • Fever and chills
  • Bile duct infection (cholangitis)
  • Enlarged liver
  • Differences in the kidneys
  • Differently shaped bile ducts in the liver

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

    Specialists who may be involved include digestive system specialists and genetic specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Digestive system specialists (gastroenterologists); Genetic specialists (geneticists)
Expert care
Ask about multidisciplinary care centers for rare conditions
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 rare disease patient organizations for support
  • 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
How often should my liver and kidneys be checked?
What signs of infection should I report right away?
Can genetic testing help my family?

Quick facts

Symptoms usually startany time in life
InheritanceAutosomal Recessive

GARD says changes in genes cause this condition. It is inherited in an autosomal recessive way, so a child inherits a changed copy of a gene from each parent.

GeneticGastrointestinal

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Caroli syndromeGARD ID 21976 · 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 Caroli syndrome.

Explore the Caroli syndrome blog

Explore research for Caroli syndrome

Explore actively recruiting Caroli syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Caroli 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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