Polyposis syndromes are hereditary conditions that include familial adenomatous polyposis (FAP), hereditary nonpolyposis (a misnomer) colorectal cancer ...ForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoSpecialty:MultispecialtyAllergy&ImmunologyAnesthesiologyBusinessofMedicineCardiologyCriticalCareDermatologyDiabetes&EndocrinologyEmergencyMedicineFamilyMedicineGastroenterologyGeneralSurgeryHematology-OncologyHIV/AIDSHospitalMedicineInfectiousDiseasesInternalMedicineMultispecialtyNephrologyNeurologyOb/Gyn&Women'sHealthOncologyOphthalmologyOrthopedicsPathology&LabMedicinePediatricsPlasticSurgeryPsychiatryPublicHealthPulmonaryMedicineRadiologyRheumatologyTransplantationUrologyMedicalStudentsNursesPharmacistsResidentsTodayonMedscapeEdition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSLogInSignUpIt'sFree!Edition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSRegisterLogInNoResultsNoResultsMonday,February8,2021ForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoclosePleaseconfirmthatyouwouldliketologoutofMedscape.Ifyoulogout,youwillberequiredtoenteryourusernameandpasswordthenexttimeyouvisit.LogoutCancelhttps://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly93d3cubWVkc2NhcGUuY29tL2Fuc3dlcnMvMTcyNjc0LTEyMDEwMy93aGF0LWFyZS1jb2xvbmljLXBvbHlwb3Npcy1zeW5kcm9tZXM=processing....Drugs&Diseases>Gastroenterology>ColonicPolypsQ&AWhatarecolonicpolyposissyndromes?Updated:Mar09,2020Author:GregoryHEnders,MD,PhD;ChiefEditor:BSAnand,MD more...ReferencesShareEmailPrintFeedbackCloseFacebookTwitterLinkedInGoogle+AnswerPolyposissyndromesarehereditaryconditionsthatincludefamilialadenomatouspolyposis(FAP),hereditarynonpolyposis(amisnomer)colorectalcancer(HNPCC)/Lynchsyndrome,Gardnersyndrome,Turcotsyndrome,MUTYHpolyposis,Peutz-Jegherssyndrome,Cowdendisease,familialjuvenilepolyposis,andhyperplasticpolyposis.Serratedpolyposissyndromeismanifestedby(1)5ormoreserratedpolypsproximaltothesigmoidcolonwithtwoormoreatleast10mminsize,(2)aserratedpolyppr