Overview
Muenke syndrome is a genetic condition that affects the development of the skull and face before and after birth. It is also sometimes called FGFR3-related craniosynostosis or Muenke craniosynostosis. The condition is caused by the early fusion of one or more of the bony plates in the skull (called craniosynostosis), which can change the shape of the head and face. Most often, the bones on the sides of the skull (the coronal sutures) fuse too early, which can make the forehead look flattened or the head appear wider than usual. Beyond the skull shape, Muenke syndrome can also affect hearing, development, and the hands and feet. Some children have mild hearing loss, and others may have some delays in learning or speech. The bones in the hands and feet can sometimes be slightly different in shape or size. Not everyone with Muenke syndrome is affected in the same way — some people have very noticeable features, while others may have only mild or subtle signs. Treatment focuses on managing the specific symptoms each person has. Surgery is often recommended in infancy or early childhood to correct the skull shape and relieve pressure on the brain. Hearing aids, speech therapy, and educational support may also be part of the care plan. With the right support, many people with Muenke syndrome lead full and healthy lives.
Key symptoms:
Early fusion of skull bones (craniosynostosis), especially at the sides of the headFlattened or asymmetric foreheadWider-than-usual head shapeMild to moderate hearing lossSlightly unusual shape or size of bones in the hands or feetDelayed speech or language developmentMild learning difficulties in some childrenWidely spaced or slightly bulging eyesFlat or underdeveloped midface in some casesIncreased pressure inside the skull (in some cases)
Clinical phenotype terms (21)— hover any for plain English
Autosomal dominant
Passed on from just one parent; each child has about a 50% chance of inheriting it
Neonatal
Begins at or shortly after birth (first 4 weeks)
Treatments
No FDA-approved treatments are currently listed for Muenke syndrome.
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Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to Muenke syndrome.
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Caregiver Resources
NORD Caregiver Resources
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Mental Health Support
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Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.Does my child need skull surgery, and if so, when is the best time to do it?,What type of hearing tests should my child have, and how often?,Are there signs of increased brain pressure I should watch for at home?,Should other family members be tested for the FGFR3 gene change?,What developmental or educational support might my child need?,How often should my child be seen by the craniofacial team as they grow?,Are there any clinical trials or new treatments I should know about?
Common questions about Muenke syndrome
What is Muenke syndrome?
Muenke syndrome is a genetic condition that affects the development of the skull and face before and after birth. It is also sometimes called FGFR3-related craniosynostosis or Muenke craniosynostosis. The condition is caused by the early fusion of one or more of the bony plates in the skull (called craniosynostosis), which can change the shape of the head and face. Most often, the bones on the sides of the skull (the coronal sutures) fuse too early, which can make the forehead look flattened or the head appear wider than usual. Beyond the skull shape, Muenke syndrome can also affect hearing,
How is Muenke syndrome inherited?
Muenke syndrome follows a autosomal dominant inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Muenke syndrome typically begin?
Typical onset of Muenke syndrome is neonatal. Age of onset can vary across affected individuals.
Which specialists treat Muenke syndrome?
1 specialists and care centers treating Muenke syndrome are listed on UniteRare, sourced from ClinicalTrials.gov principal investigators, published research, and the NPPES NPI registry.