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Living with Pelvis-shoulder dysplasia

A rare inherited bone condition in which the shoulder blades and hip bones are underdeveloped, noticed in newborns.

Understanding Pelvis-shoulder dysplasia

Pelvis-shoulder dysplasia is a rare bone condition with underdeveloped shoulder blades and hip bones.

Both shoulder blades and the wings of the pelvis are small. Other bone and body differences can occur, such as in the collarbones, ribs, and legs. Signs are seen in newborns and infants.

Signs & symptoms

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

  • Small or missing shoulder blades
  • Small or missing collarbones
  • Small or missing ribs
  • Hip socket differences (acetabular dysplasia)
  • Club feet
  • Cleft palate

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
What do the shoulder and hip differences mean for movement?
Which orthopedic care is recommended?
Would genetic counseling help our family?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant

Changes in the genes (also called variants) cause this condition. It is autosomal dominant, which means one changed copy of the gene is enough to cause it. GARD doesn't list a specific gene.

Genetic

Also known as: kosenow syndrome; pelvis shoulder dysplasia; scapuloiliac dysostosis

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Pelvis-shoulder dysplasiaGARD ID 16611 · 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 Pelvis-shoulder dysplasia.

Explore the Pelvis-shoulder dysplasia blog

Explore research for Pelvis-shoulder dysplasia

Explore actively recruiting Pelvis-shoulder dysplasia studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Pelvis-shoulder dysplasia 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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