title: An unusual case of obscure gastrointestinal bleeding in a patient with neurofibromatosis type 1.
authors.affiliation: Department of Endoscopy and Motility Unit, School of Medicine, Aristotle University of Thessaloniki G. Gennimatas General Hospital, Thessaloniki, Greece.
authors.forename: Panagiotis
authors.initials: P
authors.lastname: Katsinelos
authors.affiliation: Department of Endoscopy and Motility Unit, School of Medicine, Aristotle University of Thessaloniki G. Gennimatas General Hospital, Thessaloniki, Greece.
authors.forename: Georgia
authors.initials: G
authors.lastname: Lazaraki
authors.affiliation: Department of Endoscopy and Motility Unit, School of Medicine, Aristotle University of Thessaloniki G. Gennimatas General Hospital, Thessaloniki, Greece.
authors.forename: Grigoris
authors.initials: G
authors.lastname: Chatzimavroudis
mesh_terms: D014670:Ampulla of Vater / Q000473:pathology*; D001650:Bile Duct Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D001706:Biopsy; D002276:Carcinoid Tumor / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D004384:Duodenoscopy; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000473:pathology; D006651:Histocytochemistry; D006801:Humans; D008853:Microscopy; D008875:Middle Aged; D009456:Neurofibromatosis 1 / Q000150:complications* / Q000473:pathology*; D016708:Synaptophysin / Q000032:analysis
chemical_list: C569014:SYP protein, human; D016708:Synaptophysin