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Living with Craniometaphyseal dysplasia, autosomal recessive

A rare genetic bone condition with thickening skull bones and changes at the ends of the limb bones.

Understanding Craniometaphyseal dysplasia, autosomal recessive

Craniometaphyseal dysplasia, autosomal recessive is a rare genetic bone condition with progressive thickening of the skull bones and differences at the ends of long limb bones.

The bone overgrowth in the head can lead to distinctive facial features, delayed tooth eruption, and pressure on cranial nerves.

Signs & symptoms

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

  • Thickened facial bones
  • Flat nose
  • Wide-set eyes (hypertelorism)
  • Facial paralysis (facial palsy)
  • Blocked nose
  • Delayed permanent teeth

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

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

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

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
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 FACES: The National Craniofacial Association
  • 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 GJA1 gene testing help our family?
How often should nerves, vision, and hearing be checked?
What dental and nasal care may help?

Quick facts

InheritanceAutosomal Recessive

It is caused by changes in the GJA1 gene. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

Also known as: autosomal recessive craniometaphyseal dysplasia; cmdr

Patient organizations

Source: NIH GARD · Craniometaphyseal dysplasia, autosomal recessiveGARD ID 1582 · 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

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