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Living with Metaphyseal dysplasia without hypotrichosis

A rare bone growth condition with very short height, loose joints, and sometimes immune problems.

Understanding Metaphyseal dysplasia without hypotrichosis

Metaphyseal dysplasia without hypotrichosis is a rare bone growth disease in a group of related conditions that affect bone development starting before birth.

Common features include very short height with arms and legs shorter than the trunk. Others can include very flexible joints, fine silky hair, immune problems, low red blood cells (anemia), and digestive problems. GARD says the most severe form can involve instability between the top spine bones and learning difficulties. Symptoms vary, even within a family.

Signs & symptoms

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

  • Short stature
  • Loose joints
  • Bowed legs
  • Short hand bones
  • Changes at the ends of long bones
  • Fine, silky hair

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 form of this condition do I or my child have?
How should immune and blood counts be monitored?
Is genetic testing available?

Quick facts

InheritanceAutosomal Recessive

It is inherited in an autosomal recessive way, meaning a child inherits a changed copy of the gene from each parent. GARD does not name a gene here.

Also known as: cartilage-hair hypoplasia variant, skeletal manifestations only; cartilage-hair hypoplasia-like skeletal dysplasia without hypotrichosis or immunodeficiency; metaphyseal dysplasia without hypotrichosis (mdwh)

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Metaphyseal dysplasia without hypotrichosisGARD ID 10622 · 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 Metaphyseal dysplasia without hypotrichosis.

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