Distinguishing features of autoimmune gastritis depending on previous H. pylori infection or positivity to anti-parietal cell antibodies: results from the Autoimmune gastRitis Italian netwOrk Study grOup (ARIOSO).
Marco Vincenzo LentiEmanuela MiceliEdith LahnerGabriele NatalelloSara MassironiAnnalisa SchiepattiFabiana ZingoneValentina SciolaRoberta Elisa RossiRenato CannizzaroElena Maria De GiorgiVirginia GregorioErica FazzinoAntonella GentileClarissa PetrucciEmanuele DilaghiGiulia PivettaAlessandro VanoliOmbretta LuinettiMarco PaulliAndrea AnderloniMaurizio VecchiFederico BiagiAlessandro RepiciEdoardo Vincenzo SavarinoShamim JoudakiMariangela DellipontiAlessandra PasiniFederica FacciottiFabio FarinatiMario Milco D'EliosChiara Della BellaBruno AnnibaleCatherine KlersyGino Roberto CorazzaAntonio Di SabatinoPublished in: The American journal of gastroenterology (2024)
The "pure" AIG pattern has typical features of an autoimmune disease and seems to be unrelated to H. pylori. In a tertiary referral setting, the risk of developing overt gastric adenocarcinoma is low, while patients with vitamin B12 deficiency complications at onset may benefit from a more intense endoscopic follow-up for early gNEN detection.