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Living with Isolated encephalocele

A rare birth defect in which part of the brain and its coverings push out through an opening in the skull.

Understanding Isolated encephalocele

Isolated encephalocele is a rare neural tube defect in which a sac with brain tissue pushes out through an opening in the skull.

The neural tube does not close fully during early development in the womb. The sac can be at the back of the skull, the top of the skull, or between the forehead and nose. It is usually seen right after birth, though a small one near the nose or forehead can go unnoticed. Sacs at the back of the skull are often linked to neurological problems.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary describes this main feature:

  • Sac of brain tissue pushing through the skull
  • Neurological problems, especially when at the back of the skull

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.

  4. Connect with expert centers

    Hydrocephalus Association may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
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 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
Where is the encephalocele, and what does that mean for my child?
Which specialists, such as neurosurgery, should be involved?
Are there tests to look for other neural tube problems in our family?

Quick facts

It is caused by the neural tube not closing completely during development. GARD says there is a genetic part, and it often occurs in families with spina bifida or anencephaly.

GeneticNeurological

Patient organizations

Source: NIH GARD · Isolated encephaloceleGARD ID 6333 · 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 Isolated encephalocele.

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Explore actively recruiting Isolated encephalocele studies with HealthSpark.

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  • Eligibility is confirmed by the study team

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