Approach to the endoscopic resection of duodenal lesions-中国期刊网

摘要 Duodenalpolypsorlesionsareuncommonlyfoundonupperendoscopy.Duodenallesionscanbecategorizedassubepithelialormucosally-based,andthetypeoflesionoftendictatesthework-upandpossibletherapeuticoptions.Subepitheliallesionsthatcanariseintheduodenumincludelipomas,gastrointestinalstromaltumors,andcarcinoids.Endoscopicultrasonographywithfineneedleaspirationisusefulinthecharacterizationanddiagnosisofsubepitheliallesions.Duodenalgastrointestinalstromaltumorsandlargeormultifocalcarcinoidsarebestmanagedbysurgicalresection.Brunner＇sglandtumors,solitaryPeutz-Jegherspolyps,andnon-ampullaryandampullaryadenomasaremucosally-basedduodenallesions,whichcanrequireremovalandaretypicallyamenabletoendoscopicresection.Severalanatomiccharacteristicsoftheduodenummakeendoscopicresectionofduodenallesionschallenging.However,advancedendoscopictechniquesexistthatenabletheresectionoflargemucosally-basedduodenallesions.Endoscopicpapillectomyisnotwithoutrisk,butthisprocedurecaneffectivelyresectampullaryadenomasandallowspatientstoavoidsurgery,whichtypicallyinvolvespancreaticoduodenectomy.Endoscopicmucosalresectionanditsvariations（suchascap-assisted,cap-band-assisted,andunderwatertechniques）enablethesafeandeffectiveresectionofmostduodenaladenomas.Endoscopicsubmucosaldissectionispossiblebutverydifficulttosafelyperformintheduodenum.

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Approach to the endoscopic resection of duodenal lesions

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Approach to the endoscopic resection of duodenal lesions

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