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Living with Ischio-vertebral syndrome

A very rare bone condition affecting the hip bone and the spine, sometimes with facial differences.

Understanding Ischio-vertebral syndrome

Ischio-vertebral syndrome is a very rare, poorly defined bone condition that affects the hip bone and spine.

People have a missing or underdeveloped ischium (part of the hip bone) and differences in the bones of the spine. These can include vertebrae that do not form into separate bones properly and a curved spine (kyphoscoliosis). Some people also have facial differences that are not specific to this condition.

Signs & symptoms

Symptoms vary from person to person. GARD's summary describes these features:

  • Missing or underdeveloped hip bone (ischium)
  • Spine bone differences (vertebral anomalies)
  • Curved spine (kyphoscoliosis)
  • Facial differences in some people

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

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
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 imaging tests are needed to look at my spine and hips?
How should the curve in my spine be monitored?
Which specialists, such as orthopedics or genetics, should we see?

Quick facts

GARD doesn't describe a cause for this condition yet.

Also known as: ischio-spinal dysostosis; ischio-vertebral dysplasia

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Ischio-vertebral syndromeGARD ID 19052 · 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 Ischio-vertebral syndrome.

Explore the Ischio-vertebral syndrome blog

Explore research for Ischio-vertebral syndrome

Explore actively recruiting Ischio-vertebral syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Ischio-vertebral syndrome 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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