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Living with Progressive non-infectious anterior vertebral fusion

A rare early childhood spine condition in which bones in the back slowly fuse and the spine curves forward.

Understanding Progressive non-infectious anterior vertebral fusion

Progressive non-infectious anterior vertebral fusion (PAVF) is a spine disorder that begins in early childhood.

The bones in the middle or lower back gradually become stiff and fused (ankylosis), often with a forward curve of the upper back (kyphosis). GARD notes distinctive features on X-rays. Some people also have certain facial features.

Signs & symptoms

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

  • Hunched upper back (kyphosis)
  • Sideways curve of the spine (scoliosis)
  • Spine bones that are fused or shaped differently
  • Round or flat face
  • Small lower jaw (micrognathia)
  • Wide-set eyes (hypertelorism)

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
How will the spine be monitored as my child grows?
Is genetic testing available to look for the cause?
Which specialists, such as a spine doctor, should we see?

Quick facts

Symptoms usually startChild

GARD says gene changes cause this condition. It doesn't name a gene or describe how it is inherited yet.

Genetic

Also known as: copenhagen syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Progressive non-infectious anterior vertebral fusionGARD ID 18759 · 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 Progressive non-infectious anterior vertebral fusion.

Explore the Progressive non-infectious anterior vertebral fusion blog

Explore research for Progressive non-infectious anterior vertebral fusion

Explore actively recruiting Progressive non-infectious anterior vertebral fusion studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Progressive non-infectious anterior vertebral fusion 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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