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Down syndrome

  1. Home
  2. Cancer information
  3. Resources
  4. Glossary
  5. Down syndrome
Print

Description

A chromosome disorder caused by an extra chromosome 21. People with Down syndrome have a certain appearance with a flatter face, an upward slant to the eyes and a protruding tongue. People with Down syndrome have mild to moderate intellectual disabilities.

Down syndrome is associated with an increased risk of leukemia.

Also called trisomy 21 syndrome.

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