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Living with Brachyolmia - Maroteaux type

A rare genetic bone condition with a short trunk, short stature, and flattened spine bones.

Understanding Brachyolmia - Maroteaux type

Brachyolmia - Maroteaux type is a rare genetic bone condition with a short trunk, short stature, and flattened, rounded spine bones.

The spine bones are less elongated than in other types. Early calcium deposits in a fold of the brain lining (falx cerebri) and minor facial differences may occur. It is noted in childhood.

Signs & symptoms

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

  • Short stature
  • Flattened spine bones (platyspondyly)
  • Curved spine (scoliosis)
  • Short trunk
  • Funnel chest (pectus excavatum)
  • Widely spaced nipples

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
Is genetic testing available to find the gene?
How should the spine and chest be monitored?
Should a brain scan be done for calcium deposits?

Quick facts

Symptoms usually startChild
InheritanceAutosomal Recessive

Changes in genes cause this condition. It is autosomal recessive, which means a child inherits a changed copy of the gene from each parent.

Genetic

Also known as: bcym2; brachyolmia type 2; brachyolmia, maroteaux type

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Brachyolmia - Maroteaux typeGARD ID 16816 · 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 Brachyolmia - Maroteaux type.

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