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Living with Atypical teratoid rhabdoid tumor

A fast-growing cancerous brain and spinal cord tumor, mostly in children.

Understanding Atypical teratoid rhabdoid tumor

Atypical teratoid rhabdoid tumor is an aggressive cancerous tumor of the central nervous system that begins in embryonic cells.

Most cases happen in childhood. Changes in the SMARCB1 gene, or very rarely the SMARCA4 gene, are present in the tumor. Signs depend on where the tumor is.

Signs & symptoms

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

  • Lethargy and irritability
  • Nausea and vomiting
  • Headache
  • Weakness on one side of the body
  • Seizures
  • Extra fluid in the brain (hydrocephalus) or a large head

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 cancer specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Cancer specialists (oncologists)
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
What treatment plan is recommended, and by which specialists?
Should the SMARCB1 change be checked for in the family?
Which symptoms need urgent attention?

Quick facts

Symptoms usually starta variety of ages

GARD says changes in the SMARCB1 gene, or very rarely the SMARCA4 gene, are present in this tumor.

Neurological

Also known as: at/rt; atrt; att/rht; atypical teratoid/rhabdoid tumor; atypical teratoid/rhabdoid tumor (morphologic abnormality); atypical teratoid/rhabdoid tumor (who grade iv)

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Atypical teratoid rhabdoid tumorGARD ID 16926 · 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 Atypical teratoid rhabdoid tumor.

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