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Peutz-Jeghers syndrome

From SNPedia

Peutz-Jeghers syndrome, also known as hereditary intestinal polyposis syndrome, is an autosomal dominant genetic disease characterized by the development of benign polyps in the gastrointestinal tract and hyperpigmented macules on the lips and oral mucosa (melanosis). Peutz–Jeghers syndrome is quite rare, with an incidence of approximately 1 in 25,000 to 300,000 births.Wikipedia