The cardia: esophageal or gastric? Critical reviewing the anatomy and histopathology of the esophagogastric junction.

作者: Johannes Lenglinger , Stephanie See , Lukas Beller , Enrico Cosentini , Reza Asari

DOI: 10.2298/ACI1203015L

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摘要: Background: Discrepancy exists regarding the anatomical allocation of the cardia: esophageal or gastric. With this review we aimed to clarify this issue. Methods: Using PUB MED, Scopus and Google analyzed recent literature (1889-2012) "esophageal" vs. "gastric" cardia. Results: The synonymous use term cardia describe anti reflux mechanism within distal portion esophagus proximal segment stomach nourished misunderstanding, that cardia represents a normal structure interposed between tubular body stomach. Anatomical, histopathological and physiological studies revealed what has been taken for gastric in fact reflux damaged dilated (DDE). Since DDE is covered by columnar lined (CLE) it cannot be differentiated from proximal during regular endoscopy. However, histopathology multi level biopsies obtained endoscopically suspected esophagogastric junction (EGJ) serves allocate origin of foregut, (cardiac, oxyntocardiac mucosa, intestinal metaplasia) (oxyntic mucosa). Conclusions: Neither nor contains "cardia". recent misconceptions foregut anatomy explain, why innermost coverage termed "cardiac mucosa". Thus should be reserved name cardiac which develop due gastroesophageal esophagus.

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