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Living with Lambert syndrome

A very rare inherited condition seen in one family, with facial and ear differences, club feet, hernias, and a liver bile duct problem.

Understanding Lambert syndrome

Lambert syndrome is a very rare syndrome that was described in four siblings of one French family.

It includes differences in the face and ears (branchial dysplasia), such as flat cheekbones, a wide mouth, skin tags near the ears, and a closed ear canal. People also have club feet, groin hernias, intellectual disability, and slowed bile flow from the liver (cholestasis) because there are too few small bile ducts. It is noticed in newborns.

Signs & symptoms

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

  • Face and ear differences (branchial anomaly)
  • Slowed bile flow and jaundice
  • Intellectual disability
  • Slow weight gain in infancy
  • Inguinal hernia
  • Hole between the lower heart chambers

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 bone and joint specialists, brain and nervous system specialists, ear, nose, and throat specialists and genetic specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    World Craniofacial Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Brain and nervous system specialists (neurologists); Ear, nose, and throat specialists (otolaryngologists); Genetic specialists (geneticists)
Expert care
Expert lists: World Craniofacial Foundation
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 World Craniofacial 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
Which tests will check my child's liver and bile ducts?
Should the heart be checked?
Is genetic counseling available for our family?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Recessive

GARD says changes in genes (also called variants) cause this condition. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Also known as: branchial dysplasia-intellectual disability-inguinal hernia syndrome; branchial dysplasia, intellectual disability, inguinal hernia syndrome

Patient organizations

Source: NIH GARD · Lambert syndromeGARD ID 3169 · 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 Lambert syndrome.

Explore the Lambert syndrome blog

Explore research for Lambert syndrome

Explore actively recruiting Lambert syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Lambert 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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