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Living with Dennis-Fairhurst-Moore syndrome

A rare genetic bone condition with fractures at birth, a thin skeleton, a soft skull, and distinct facial features.

Understanding Dennis-Fairhurst-Moore syndrome

Dennis-Fairhurst-Moore syndrome is a rare genetic bone development condition that shows up before or soon after birth.

Features include multiple fractures present at birth, slender ribs and long bones, and a skull that has not fully hardened. Facial features can resemble Hallermann-Streiff syndrome. Small eyes, cataracts, and underdeveloped lungs have also been reported.

Signs & symptoms

GARD doesn't list a symptom list. Its summary describes these features:

  • Multiple fractures present at birth
  • Slender ribs and long bones
  • Skull not fully hardened
  • High forehead and small jaw
  • Small eyes and cataracts
  • Underdeveloped lungs

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, eye disease 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

    National Foundation for Ectodermal Dysplasias 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); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists)
Expert care
Expert lists: National Foundation for Ectodermal Dysplasias
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 National Foundation for Ectodermal Dysplasias 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
Which specialists should be involved in care?
Can genetic testing help us understand the cause?
How can we support a baby with fragile bones?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn

GARD describes this as a genetic condition but doesn't describe a specific cause yet.

GeneticNeurologicalSkin

Also known as: dennis fairhurst moore syndrome; hallermann streiff françois syndrome severe form; hallermann streiff like syndrome; hallermann-streiff-françois syndrome, severe form; hallermann-streiff-like syndrome; severe hallermann-streiff-françois syndrome

Patient organizations

Source: NIH GARD · Dennis-Fairhurst-Moore syndromeGARD ID 290 · 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 Dennis-Fairhurst-Moore syndrome.

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Explore research for Dennis-Fairhurst-Moore syndrome

Explore actively recruiting Dennis-Fairhurst-Moore syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Dennis-Fairhurst-Moore syndrome with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
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  • 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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