Cancer risk associated with STK11/LKB1 germline mutations in Peutz-Jeghers syndrome patients: Results of an Italian multicenter study
2013
a b s t r a c t Background: Germline mutations in the STK11/LKB1 gene cause Peutz-Jeghers syndrome, an autosomal- dominantly inherited condition characterized by mucocutaneous pigmentation, hamartomatous gastrointestinal polyposis, and an increased risk for various malignancies. We here report the results of the first Italian collaborative study on Peutz-Jeghers syndrome. Aims: To assess cancer risks in a large homogenous cohort of patients with Peutz-Jeghers syndrome, carrying, in large majority, an identified STK11/LKB1 mutation. Methods: One-hundred and nineteen patients with Peutz-Jeghers syndrome, ascertained in sixteen dif- ferent Italian centres, were enrolled in a retrospective cohort study. Relative and cumulative cancer risks and genotype-phenotype correlations were evaluated.
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