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Living with Parastremmatic dwarfism

A very rare bone growth condition with very short height, a curved spine, stiff joints, and twisted legs.

Understanding Parastremmatic dwarfism

Parastremmatic dwarfism is a very rare bone growth condition (chondrodysplasia) with severe short stature.

People have a very short height, a spine that curves forward and sideways (kyphoscoliosis), stiff large joints, and twisted lower legs. GARD lists it as autosomal dominant.

Signs & symptoms

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

  • Severe short stature
  • Curved spine (scoliosis and kyphosis)
  • Bowed long bones
  • Knock knees
  • Joints that can't fully straighten
  • Short neck

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
What can be done for spine curves and joint stiffness?
Which orthopedic or bone specialists should we see?
Would genetic counseling help our family?

Quick facts

InheritanceAutosomal Dominant

GARD lists this condition as autosomal dominant, which means one changed copy of a gene is enough to cause it. It doesn't name a specific gene.

Also known as: parastremmatic dysplasia

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Parastremmatic dwarfismGARD ID 4222 · 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 Parastremmatic dwarfism.

Explore the Parastremmatic dwarfism blog

Explore research for Parastremmatic dwarfism

Explore actively recruiting Parastremmatic dwarfism studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Parastremmatic dwarfism 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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