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Living with Muenke syndrome

A genetic condition in which certain skull bones close too early, changing the shape of the head and face.

Understanding Muenke syndrome

Muenke syndrome is a genetic condition in which some skull bones close too early (craniosynostosis), which affects the shape of the head and face.

Many people have early fusion along the coronal suture, the growth line that runs over the head from ear to ear. This can cause an unusually shaped head, wide-set eyes, and flattened cheekbones. About 5 percent have a large head. Hands or feet may have mild differences, and some have hearing loss. Most people have normal intelligence, but developmental delay and learning problems are possible. Some people with the gene change have none of the features.

Signs & symptoms

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

  • Early closure of the skull's coronal suture (craniosynostosis)
  • Short, broad skull shape
  • Wide-set eyes
  • Flattened cheekbones
  • Hearing loss from inner ear changes
  • Mild differences in the hands and feet

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 and genetic specialists.

  3. Consider genetic testing

    Changes in FGFR3 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  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); 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 Born A Hero 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
Can genetic testing for the FGFR3 gene confirm this diagnosis?
What are the options and timing for treating craniosynostosis?
Should hearing and development be checked regularly?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Dominant
GenesFGFR3

This condition is caused by changes in the FGFR3 gene. It is autosomal dominant, which means a changed copy of the gene from one parent can be enough to cause it.

GeneticNeurological

Also known as: fgfr3-related craniosynostosis; fibroblast growth factor receptor 3 (fgfr3) related craniosynostosis; fibroblast growth factor receptor 3-related craniosynostosis; mnkes; muenke nonsyndromic coronal craniosynostosis

Patient organizations

Source: NIH GARD · Muenke syndromeGARD ID 7097 · 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 Muenke syndrome.

Explore the Muenke syndrome blog

Explore research for Muenke syndrome

Explore actively recruiting Muenke syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Muenke 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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