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Living with Autosomal dominant omodysplasia

A genetic condition that affects bone growth in the arms and changes facial features.

Understanding Autosomal dominant omodysplasia

Autosomal dominant omodysplasia is a genetic condition that affects how bones grow, especially in the arms, and can change facial features.

GARD lists many features, including short upper arm bones, elbow dislocation, and certain facial differences. Some boys have differences in the genitals. Signs are usually seen in the newborn period or infancy.

Signs & symptoms

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

  • Short upper arm bone (short humerus)
  • Elbow dislocation
  • Wide-set eyes (hypertelorism)
  • Forehead that sticks out (frontal bossing)
  • Flat nasal bridge and short nose
  • Undescended testes (cryptorchidism)

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. Consider genetic testing

    Changes in FZD2 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); 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
Can genetic testing for the FZD2 gene confirm the diagnosis?
Which specialists should follow bone and joint growth?
How can we watch for elbow problems?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant
GenesFZD2

It is caused by changes in the FZD2 gene. It is autosomal dominant, so a change in one copy of the gene can cause it.

Genetic

Also known as: omodysplasia 2; omodysplasia, autosomal dominant

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Autosomal dominant omodysplasiaGARD ID 3643 · 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 Autosomal dominant omodysplasia.

Explore the Autosomal dominant omodysplasia blog

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Explore actively recruiting Autosomal dominant omodysplasia studies with HealthSpark.

HealthSpark

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