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Living with Microcephaly-deafness-intellectual disability syndrome

A rare condition with a small head, hearing loss, intellectual disability, and certain facial features.

Understanding Microcephaly-deafness-intellectual disability syndrome

Microcephaly-deafness-intellectual disability syndrome is a rare condition that includes a small head, hearing loss, and intellectual disability.

People with this syndrome have a small head (microcephaly), deafness, and intellectual disability. They also have certain facial features, such as uneven facial shape, low-set ears, and a small lower jaw. GARD says it has been described in a mother and her son. Signs are seen in the newborn period or infancy.

Signs & symptoms

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

  • Smaller-than-average head size (microcephaly)
  • Intellectual disability
  • Hearing loss from inner ear changes (sensorineural)
  • Short stature
  • Small lower jaw (micrognathia)
  • Low-set ears

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 brain and nervous system specialists, ear, nose, and throat 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
Brain and nervous system specialists (neurologists); Ear, nose, and throat specialists (otolaryngologists); 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
What hearing tests and supports are right for my child?
Is genetic testing available, and could other family members be affected?
What speech and learning supports are available?

Quick facts

Symptoms usually startNewborn and as an Infant

Changes in genes (also called variants) cause this syndrome, and it is probably inherited in an autosomal dominant way. This means a changed copy of the gene from one parent can be enough to cause it.

GeneticNeurological

Also known as: kawashima tsuji syndrome; kawashima-tsuji syndrome; microcephaly with deafness and intellectual disability syndrome; microcephaly-hearing loss-intellectual disability syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Microcephaly-deafness-intellectual disability syndromeGARD ID 230 · 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 Microcephaly-deafness-intellectual disability syndrome.

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