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Living with Brain-lung-thyroid syndrome

A group of conditions affecting the brain, lungs, and thyroid, most often with movement problems.

Understanding Brain-lung-thyroid syndrome

Brain-lung-thyroid syndrome is a group of genetic conditions that affect the brain, lungs, and thyroid gland.

About 50 percent of people have problems with all three organs, 30 percent have brain and thyroid problems, 10 percent have brain and lung problems, and 10 to 20 percent have only brain problems. Nearly everyone has movement problems, most commonly benign hereditary chorea (jerky movements). These usually start around age 1 and often stay stable or improve.

Signs & symptoms

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

  • Jerking movements (chorea) and writhing movements
  • Poor coordination (ataxia)
  • Low muscle tone in infancy
  • Breathing difficulty in newborns
  • Underactive thyroid from birth
  • Delayed walking

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, genetic specialists, hormone specialists and lung and breathing specialists.

  3. Consider genetic testing

    Changes in NKX2-1 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
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Hormone specialists (endocrinologists); Lung and breathing specialists (pulmonologists)
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 The MAGIC Foundation
  • 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 NKX2-1 gene testing confirm the diagnosis?
Which of the brain, lung, and thyroid are affected in my case?
How often should lungs and thyroid be checked?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant
GenesNKX2-1

Changes in the NKX2-1 gene cause this condition. It is autosomal dominant, so one changed copy of the gene is enough.

GeneticRespiratoryNeurologicalEndocrine

Also known as: brain lung thyroid syndrome; choreoathetosis and congenital hypothyroidism with pulmonary dysfunction; choreoathetosis with congenital hypothyroidism and neonatal respiratory distress syndrome; choreoathetosis-hypothyroidism-neonatal respiratory distress syndrome; choreoathetosis, congenital hypothyroidism, and neonatal respiratory distress; choreoathetosis, hypothyroidism, and neonatal respiratory distress

Patient organizations

Source: NIH GARD · Brain-lung-thyroid syndromeGARD ID 12163 · 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 Brain-lung-thyroid syndrome.

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