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Living with Autosomal recessive spondylocostal dysostosis

A rare inherited condition of the spine and ribs, usually seen at birth.

Understanding Autosomal recessive spondylocostal dysostosis

Autosomal recessive spondylocostal dysostosis, also called spondylothoracic dysostosis, is a rare condition that affects the bones of the spine and ribs.

Signs are usually present at birth. They can include a short trunk with normal-length arms and legs, a small chest, spine bones that are misshapen or fused, and ribs fused where they meet the spine. It is sometimes called Jarcho-Levin syndrome.

Signs & symptoms

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

  • Spine bones that did not form normally
  • Fused ribs
  • Short chest area (short thorax)
  • Scoliosis and hunched back (kyphosis)
  • Short stature and short neck
  • Trouble breathing (respiratory insufficiency)

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.

  4. Connect with expert centers

    Little People of America may keep lists of experts for this condition.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Genetic specialists (geneticists)
Expert care
Expert lists: Little People of America
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 Little People of America and other patient organizations
  • 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
Can genetic testing for the MESP2 gene confirm the diagnosis?
How should breathing and chest growth be monitored?
How should the spine be followed as my child grows?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Recessive

It is caused by changes in the MESP2 gene. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

GeneticInherited Metabolic

Also known as: spondylocostal dysostosis, autosomal recessive

Patient organizations

Source: NIH GARD · Autosomal recessive spondylocostal dysostosisGARD ID 6798 · 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 Autosomal recessive spondylocostal dysostosis.

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