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Learn More About Tuberous Sclerosis

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Tuberous Sclerosis Complex (TSC)

  • TSC occurs in approximately one in 6,000 births, affecting about 50,000 people in the US and 1 million worldwide
  • TSC can cause tumors to grow in multiple organs – primarily in the brain, eyes, heart, kidney, skin, and lungs
  • TSC can significantly affect the brain in many ways – seizures, developmental delay, intellectual disability, and autism
  • TSC can be inherited from a parent with the complex (about one-third of cases) or result from a spontaneous genetic mutation (about two-thirds of cases)
  • TSC is caused by one of two different genes being affected – the TSC1 gene (“hamartin gene” located on chromosome 9) or TSC2 gene (“tubers gene” located on chromosome 16)

* All information from the Tuberous Sclerosis Alliance website www.tsalliance.org