title: [Really does not exist malignant duodenal ulcer?].
authors.forename: L
authors.initials: L
authors.lastname: Domínguez Alcón
authors.forename: L
authors.initials: L
authors.lastname: Pita Fernández
mesh_terms: D000230:Adenocarcinoma / Q000150:complications* / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D000368:Aged; D018798:Anemia, Iron-Deficiency / Q000209:etiology; D001706:Biopsy; D003937:Diagnosis, Differential; D004379:Duodenal Neoplasms / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D004384:Duodenoscopy; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D005773:Gastroscopy; D016481:Helicobacter Infections / Q000150:complications; D016480:Helicobacter pylori / Q000302:isolation & purification; D006801:Humans; D010437:Peptic Ulcer / Q000175:diagnosis