title: Malignant insulinoma presenting as upper gastrointestinal bleeding.
authors.affiliation: Department of Surgery, Section of Surgical Oncology, National Institute of Medical Sciences and Nutrition Salvador Zubiran, Mexico City, Mexico.
authors.forename: Heriberto
authors.initials: H
authors.lastname: Medina-Franco
authors.forename: Guillermo
authors.initials: G
authors.lastname: Feria-Bernal
authors.forename: Ariadne
authors.initials: A
authors.lastname: Sánchez-Ramón
mesh_terms: D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007340:Insulinoma / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D013160:Splenic Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000556:secondary; D013274:Stomach Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000556:secondary