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Living with Microcephaly-short stature-intellectual disability-facial dysmorphism syndrome

A rare genetic syndrome with a small head, short stature, developmental delay, and certain facial and hand features.

Understanding Microcephaly-short stature-intellectual disability-facial dysmorphism syndrome

Microcephaly-short stature-intellectual disability-facial dysmorphism syndrome is a rare genetic syndrome that affects growth, learning, and facial features.

People have a head that grows slowly after birth, trouble gaining weight, short stature, global developmental delay, intellectual disability, and low muscle tone. Certain facial and hand features are present, and some are seen at birth. Other features can include temporary swelling after birth, nearsightedness, eyes that turn, and low thyroid hormone. Signs begin in the newborn period or infancy.

Signs & symptoms

GARD doesn't list a set of most common symptoms for this condition. Its summary describes these features:

  • Small head that grows slowly after birth
  • Trouble gaining weight and short stature
  • Delays in reaching developmental milestones
  • Intellectual disability
  • Low muscle tone (hypotonia)
  • Nearsightedness (myopia) and eyes that turn (strabismus)

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, brain and nervous system specialists and genetic specialists.

  3. Consider genetic testing

    Changes in QARS1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Brain and nervous system specialists (neurologists); 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
Can genetic testing for the QARS1 gene confirm this diagnosis?
How can growth and feeding be supported?
Should thyroid levels and vision be checked regularly?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive
GenesQARS1

This condition is caused by changes in the QARS1 gene. It is autosomal recessive, which means a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Also known as: microcephaly, short stature, intellectual disability, facial dysmorphism syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Microcephaly-short stature-intellectual disability-facial dysmorphism syndromeGARD ID 21751 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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Perspectives from people navigating life with Microcephaly-short stature-intellectual disability-facial dysmorphism syndrome.

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