title: [Introduction - Dysplasia of the gastrointestinal tract: definition, classification, what's new?].
authors.affiliation: Service d'anatomie pathologique, faculté de médecine Pierre-et-Marie-Curie, hôpital Saint-Antoine, groupe hospitalier Est-Parisien, 184, rue du Faubourg-Saint-Antoine, 75012 Paris, France. jean-francois.flejou@sat.aphp.fr
authors.forename: Jean-François
authors.initials: JF
authors.lastname: Fléjou
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D000236:Adenoma / Q000473:pathology; D001706:Biopsy; D002278:Carcinoma in Situ / Q000473:pathology*; D005753:Gastric Mucosa / Q000473:pathology; D005767:Gastrointestinal Diseases / Q000145:classification / Q000473:pathology*; D005770:Gastrointestinal Neoplasms / Q000145:classification / Q000473:pathology; D041981:Gastrointestinal Tract / Q000473:pathology*; D006222:Hamartoma / Q000473:pathology; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D011127:Polyps / Q000473:pathology; D011230:Precancerous Conditions / Q000473:pathology*; D014944:World Health Organization