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Is Basal Cell Carcinoma Genetic?
- Heritability
- ~43%
- Inheritance
- polygenic
- Key genes
- PTCH1 MC1R SHH
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The most common skin cancer. Mutations in PTCH1 cause Gorlin syndrome; common variants in pigmentation genes affect sporadic risk.
How Genetic Is Basal Cell Carcinoma?
Basal Cell Carcinoma involves complex interactions between multiple genes and environmental factors. Heritability estimates range up to 43%, though no single gene determines outcome on its own.
Key genes associated with Basal Cell Carcinoma: PTCH1 MC1R SHH. Variants in these genes have been identified through genome-wide association studies (GWAS) and clinical research as influencing susceptibility or severity.
Source: MedlinePlus Genetics
Does Family History Matter for Basal Cell Carcinoma?
Family history can be informative for Basal Cell Carcinoma, but its predictive power is limited because many genes — each with small effects — combine with environmental influences. A family history of the condition may prompt earlier or more frequent screening.
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