Mutation in PTEN-Gen (Cowden-Syndrom): gesteigertes Risiko für Schilddrüsenkarzinom, Endometriumkarzinom, Nierenkrebs und Kolonkarzinom. (Shulman et all, Hereditary breast and ovarian cancer (HBOC): clinical features and counseling for BRCA1 and BRCA2, Lynch syndrome, Cowden syndrome, and Li-Fraumeni syndrome. Obstetrics and Gynecology Clinics of North America, 2010)
