Pediatric atypical teratoid rhabdoid tumor (ATRT)

What is a pediatric atypical teratoid rhabdoid tumor (ATRT)?

An atypical teratoid rhabdoid tumor (ATRT) is a rare, fast-growing tumor that is malignant (cancerous) and develops in the brain and spinal cord. This condition is usually seen in children under age 3, but it can also occur in older children and into adulthood.

What are the signs and symptoms of a pediatric atypical teratoid rhabdoid tumor (ATRT)?

• Headaches in the morning

• Headaches that are less painful after the child vomits

• Increase in head size (in infants birth to 1 year)

• Lethargy (lack of energy)

• Nausea and vomiting

• Problems with balance

• Problems with coordination and walking

What are the causes of a pediatric atypical teratoid rhabdoid tumor (ATRT)?

Experts believe that ATRT results from a gene mutation that causes proteins that stop tumor growth to not develop.