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Living with Intellectual disability, Buenos-Aires type

A rare syndrome with slow growth, small head, developmental delay, intellectual disability, and differences in several organs.

Understanding Intellectual disability, Buenos-Aires type

Intellectual disability, Buenos-Aires type is a rare syndrome with slow growth, a small head, distinct facial features, and intellectual disability.

It also includes developmental and speech delay and differences in several organs, such as the heart and urinary tract. Other reported features include thick skin on the palms and soles, fluid buildup in the brain (hydrocephalus), and webbed toes. It is present from birth.

Signs & symptoms

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

  • Intellectual disability and developmental delay
  • Speech disorder
  • Slow growth and small head
  • Heart wall differences (septal defect)
  • Differences in fingernails and teeth
  • Differences in the skull and pelvic bones

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 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); 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
Which tests check the heart, kidneys, and brain?
Can genetic testing help find the cause?
What therapies support speech and development?

Quick facts

Symptoms usually startNewborn

GARD doesn't describe a cause for this condition yet.

GeneticNeurological

Also known as: intellectual developmental disorder, buenos aires type; intellectual disability buenos aires type; mutchinick syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Intellectual disability, Buenos-Aires typeGARD ID 3485 · 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 Intellectual disability, Buenos-Aires type.

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Explore actively recruiting Intellectual disability, Buenos-Aires type studies with HealthSpark.

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  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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