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Living with Angel-shaped phalango-epiphyseal dysplasia

A rare bone condition with short fingers, hip changes, and sometimes tooth differences and slow bone maturation.

Understanding Angel-shaped phalango-epiphyseal dysplasia

Angel-shaped phalango-epiphyseal dysplasia is a form of acromelic dysplasia with a distinctive angel-shaped middle finger bone on X-ray.

Some bones of the hand are short, mainly the first metacarpals and the middle bones of the second, third, and fifth fingers. The ends of the hip bones change, and some people have tooth differences and delayed bone age. It can start at any time in life.

Signs & symptoms

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

  • Short middle finger bones
  • Short height
  • Hip dysplasia
  • Hip osteoarthritis
  • Late-coming teeth
  • Fewer teeth than usual (hypodontia)

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 GDF5 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
Is genetic testing for GDF5 available for our family?
How should my hips be checked over time?
Which specialists, such as an orthopedic doctor, should I see?

Quick facts

Symptoms usually startany time in life
InheritanceAutosomal Dominant
GenesGDF5

Changes in the GDF5 gene cause this condition. It is autosomal dominant, so a changed copy of the gene from one parent can be enough.

Genetic

Also known as: angel-shaped phalangoepiphyseal dysplasia; asped; asped - angel-shaped phalango-epiphyseal dysplasia

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Angel-shaped phalango-epiphyseal dysplasiaGARD ID 671 · 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 Angel-shaped phalango-epiphyseal dysplasia.

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  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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