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Living with Familial osteodysplasia, Anderson type

A very rare genetic bone condition affecting the face, jaw, teeth, spine and other bones, described in few reports.

Understanding Familial osteodysplasia, Anderson type

Familial osteodysplasia, Anderson type is a rare genetic bone condition that mainly affects the bones of the face and skull.

Features include a flattened midface, a broad flat nose bridge, a narrow jaw with a pointed chin, teeth that don't line up, and missing teeth. Other bone differences such as curved spine (scoliosis) can occur. High uric acid and high blood pressure have also been reported. There have been no new descriptions in the medical literature since 1982.

Signs & symptoms

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

  • Flat midface and flat nose
  • Large lower jaw
  • Teeth out of position or not coming in
  • Dental cavities
  • Increased risk of fractures
  • High blood pressure

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.

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
Which specialists should follow my bones, teeth and jaw?
How should my spine and bone health be monitored?
Should my blood pressure and uric acid be checked?

Quick facts

Symptoms usually startNewborn

Changes in genes cause it. GARD doesn't name a gene or describe how it is inherited.

Genetic

Also known as: familial osteodysplasia anderson type

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Familial osteodysplasia, Anderson typeGARD ID 4136 · 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 Familial osteodysplasia, Anderson type.

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