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Living with Craniomicromelic syndrome

A rare syndrome with slow growth before birth, soft spots on the skull that stay open, short limbs, and joined fingers and toes.

Understanding Craniomicromelic syndrome

Craniomicromelic syndrome is a rare syndrome that combines early closure of skull seams with short limbs.

Features include slow growth before birth, a skull that is poorly hardened with large soft spots, short limbs with missing finger or toe bones, and joined fingers and toes. Facial features can include a narrow face, small eye openings, a small pointed nose, a small mouth, a small jaw, and low-set ears. A bulge of brain tissue at the back of the head (posterior encephalocele) and other differences can also occur. It starts in newborns and infants.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary mentions these:

  • Slow growth before birth
  • Poorly hardened skull with large soft spots
  • Short limbs
  • Joined fingers and toes (syndactyly)
  • Small jaw (micrognathia)
  • Low-set ears

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 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); 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 Human Growth 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
Would genetic testing help our family?
What care is needed for the skull and brain?
Which specialists should be on the care team?

Quick facts

Symptoms usually startNewborn and as an Infant

GARD says changes in genes cause this condition. It doesn't name a gene.

Genetic

Patient organizations

Source: NIH GARD · Craniomicromelic syndromeGARD ID 1583 · 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 Craniomicromelic syndrome.

Explore the Craniomicromelic syndrome blog

Explore research for Craniomicromelic syndrome

Explore actively recruiting Craniomicromelic syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Craniomicromelic 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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