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Living with Bird-headed dwarfism with progressive ataxia, insulin-resistant diabetes, goiter, and primary gonadal insufficiency

An extremely rare hormone condition, also called Bangstad syndrome, with short stature, unsteadiness, goiter, and diabetes.

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Understanding Bird-headed dwarfism with progressive ataxia, insulin-resistant diabetes, goiter, and primary gonadal insufficiency

Bird-headed dwarfism with progressive ataxia, insulin-resistant diabetes, goiter, and primary gonadal insufficiency, also called Bangstad syndrome, is a rare hormone (endocrine) condition.

It combines very small body and head size from before birth, worsening unsteadiness (ataxia), a goiter (enlarged thyroid), poor function of the sex glands, and diabetes with insulin resistance. Many hormone levels in the blood are high. It starts in newborns. No new reports have appeared since 1989.

Signs & symptoms

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

  • Short stature and small head
  • Unsteady movement (ataxia)
  • Diabetes with insulin resistance
  • Poor function of the sex glands
  • Seizures
  • Intellectual disability

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 genetic specialists and hormone specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Genetic specialists (geneticists); Hormone specialists (endocrinologists)
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
Is genetic testing available for this condition?
How should blood sugar and thyroid be monitored?
Which specialists (hormone, nerve) should be on our team?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Recessive

Changes in genes cause this condition. It is thought to be autosomal recessive, which means a child inherits a changed copy of the gene from each parent.

GeneticEndocrine

Also known as: ataxia-diabetes-goiter-gonadal insufficiency syndrome; bangstad syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Bird-headed dwarfism with progressive ataxia, insulin-resistant diabetes, goiter, and primary gonadal insufficiencyGARD ID 812 · 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 Bird-headed dwarfism with progressive ataxia, insulin-resistant diabetes, goiter, and primary gonadal insufficiency.

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