Skip to content
knowrare
HealthSignal
Your condition community

Living with Thoracic dysplasia-hydrocephalus syndrome

A very rare bone condition with a narrow chest, short ribs, extra fluid in the brain, and developmental delay.

Understanding Thoracic dysplasia-hydrocephalus syndrome

Thoracic dysplasia-hydrocephalus syndrome is a rare bone condition with short ribs, a narrow chest, and extra fluid around the brain (hydrocephalus).

People also have mild shortening of the upper arms and legs and developmental delay. It starts during pregnancy. GARD says there have been no further descriptions in the medical literature since 1987.

Signs & symptoms

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

  • Narrow chest
  • Extra fluid in the brain (communicating hydrocephalus)
  • Global developmental delay
  • Intellectual disability
  • Seizures
  • Low muscle tone (hypotonia)

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, genetic specialists and lung and breathing specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    Hydrocephalus Association may keep lists of experts for this condition.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Lung and breathing specialists (pulmonologists)
Expert care
Expert lists: Hydrocephalus Association
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 Hydrocephalus Association
  • 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
How is the hydrocephalus monitored and treated?
Which specialists should be on our care team, including for breathing?
Would genetic counseling help our family?

Quick facts

Symptoms usually startduring Pregnancy

GARD says changes in genes (variants) cause this condition, but it doesn't name a specific gene.

GeneticRespiratoryNeurological

Also known as: thoracic dysplasia and hydrocephalus syndrome

Patient organizations

Source: NIH GARD · Thoracic dysplasia-hydrocephalus syndromeGARD ID 5180 · 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 Thoracic dysplasia-hydrocephalus syndrome.

Explore the Thoracic dysplasia-hydrocephalus syndrome blog

Explore research for Thoracic dysplasia-hydrocephalus syndrome

Explore actively recruiting Thoracic dysplasia-hydrocephalus syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Thoracic dysplasia-hydrocephalus syndrome with HealthSpark. Share your city to explore research near you.

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

Powered by HealthSpark, our AI chat helper

I can help you find recruiting Thoracic dysplasia-hydrocephalus syndrome studies. Enter a ZIP code, address or city below and I'll look within 50 miles.

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

Get Signals for Thoracic dysplasia-hydrocephalus syndrome

Stay in the loop with community stories and updates from medical researchers.

HealthStoryfor Thoracic dysplasia-hydrocephalus syndrome

Create a living journal that talks back

HealthStory evolves private journaling with a living AI journal that talks back and asks thoughtful questions, helping you capture your Thoracic dysplasia-hydrocephalus syndrome experiences more deeply and prepare for better conversations with your doctors and care team.

Start your journal

Your journal is private. Sharing your story publicly is a separate choice, made with Share your story above.