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Risk factors
By Mayo Clinic staffAbout one-third of people who have tuberous sclerosis inherit an altered TSC1 or TSC2 gene — the genes associated with tuberous sclerosis — from a parent who has the disease. About two-thirds of people who have tuberous sclerosis have a new mutation in either the TSC1 or TSC2 gene.
If you have tuberous sclerosis, you have a 50 percent chance of passing the condition to your biological children. Severity of the condition may vary. A parent who has mild tuberous sclerosis may have a child who has a more severe form of the disease.
References
- Tuberous sclerosis fact sheet. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/tuberous_sclerosis/detail_tuberous_sclerosis.htm. Accessed Oct. 4, 2011.
- Seibert D, et al. Recognition of tuberous sclerosis in adult women: Delayed presentation with life-threatening consequences. Annals of Internal Medicine. 2011;154:806.
- Tuberous sclerosis complex. http://www.uptodate.com/home/index.html. Accessed Oct. 5, 2011.
- My child has tuberous sclerosis: A brochure for parents. Tuberous Sclerosis Alliance. http://www.tsalliance.org/publications/52810_NTSA.pdf. Accessed Oct. 4, 2011.
- Tuberous sclerosis complex. Genetics Home Reference. http://ghr.nlm.nih.gov/condition/tuberous-sclerosis-complex. Accessed Oct. 4, 2011.
- DeKlotz CMC, et al. Dramatic improvement of facial angiofibromas in tuberous sclerosis with topical rapamycin: Optimizing a treatment protocol. Archives of Dermatology. 2011;147:1116.
- Patterson MC (expert opinion). Mayo Clinic, Rochester, Minn. Oct. 8, 2011.
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