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Living with Branchiogenic deafness syndrome

A rare syndrome described in one family, with neck cysts, ear differences, and hearing loss.

Understanding Branchiogenic deafness syndrome

Branchiogenic deafness syndrome is a rare syndrome of multiple differences described in one family, with neck cysts or openings, ear differences, and hearing loss.

It includes branchial cysts or fistulae, ear differences, hearing loss that can be conductive, sensorineural, or mixed, and a narrow inner ear canal. Other features include crossed eyes, jaw tightness (trismus), abnormal fifth fingers, patchy skin color loss, short stature, and mild learning disability. The kidneys are not affected.

Signs & symptoms

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

  • Hearing loss
  • Neck cysts or small openings (branchial cyst or fistula)
  • Ear differences and pits in front of the ear
  • Cleft palate
  • Crossed eyes (strabismus)
  • Short fingertip bones

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 brain and nervous system specialists, ear, nose, and throat specialists, eye disease 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
Brain and nervous system specialists (neurologists); Ear, nose, and throat specialists (otolaryngologists); Eye disease specialists (ophthalmologists); 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
Which hearing options are right for my child?
Do the neck cysts or openings need treatment?
Is genetic testing available?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Dominant

Changes in genes cause this condition. It is autosomal dominant, so one changed copy of the gene is enough.

GeneticNeurological

Also known as: branchiogenic hearing loss syndrome; megarbane loiselet syndrome; mégarbané-loiselet syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Branchiogenic deafness syndromeGARD ID 16648 · 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 Branchiogenic deafness syndrome.

Explore the Branchiogenic deafness syndrome blog

Explore research for Branchiogenic deafness syndrome

Explore actively recruiting Branchiogenic deafness syndrome studies with HealthSpark.

HealthSpark

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

  • Recruiting studies from ClinicalTrials.gov
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  • 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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