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Living with Rubinstein-Taybi syndrome due to 16p13.3 microdeletion

A severe form of Rubinstein-Taybi syndrome caused by a missing piece of chromosome 16, with poor growth, low muscle tone, and organ differences.

Understanding Rubinstein-Taybi syndrome due to 16p13.3 microdeletion

Rubinstein-Taybi syndrome due to 16p13.3 microdeletion is a chromosome condition caused by a missing piece of chromosome 16.

The deletion causes a severe form of Rubinstein-Taybi syndrome. Some researchers think it is a unique emerging syndrome. Features include poor weight gain, low muscle tone, short stature, a small head, mild to moderate intellectual disability, and heart or kidney differences. It begins during pregnancy or in the newborn period.

Signs & symptoms

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

  • Intellectual disability
  • Broad thumbs and big toes
  • Poor weight gain
  • Delayed speech and language
  • Constipation and acid reflux
  • Heart differences

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, cancer specialists and eye disease 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); Brain and nervous system specialists (neurologists); Cancer specialists (oncologists); Eye disease specialists (ophthalmologists)
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 Simons Searchlight and other patient organizations
  • 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
Should both parents have chromosome testing?
Should the heart and kidneys be checked?
How can we lower the chance of infections?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Dominant

It is caused by a small deletion at 16p13.3 on chromosome 16. In most cases parents have no chromosome change, but sometimes a parent has a balanced translocation, so testing both parents can help.

GeneticNeurologicalKidneyEndocrine

Also known as: 16p13.3 deletion syndrome; chromosome 16p13.3 deletion syndrome, proximal; rsts deletion syndrome; rubinstein-taybi deletion syndrome

Patient organizations

Source: NIH GARD · Rubinstein-Taybi syndrome due to 16p13.3 microdeletionGARD ID 10754 · 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 Rubinstein-Taybi syndrome due to 16p13.3 microdeletion.

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