title: A Rare Cause of Persistent Rectal Bleeding.
authors.affiliation: Department of Gastroenterology, Hospital Clínico Universitario de Valencia, Valencia, Spain.
authors.forename: Oswaldo
authors.initials: O
authors.lastname: Moreno Primera
authors.affiliation: Department of Gastroenterology, Hospital Clínico Universitario de Valencia, Valencia, Spain.
authors.forename: Luis
authors.initials: L
authors.lastname: Barreda Matta
authors.affiliation: Department of Gastroenterology, Hospital Clínico Universitario de Valencia, Valencia, Spain.
authors.forename: Pilar
authors.initials: P
authors.lastname: Mas Mercader
mesh_terms: D000368:Aged; D018952:Antigens, CD34 / Q000032:analysis; D014408:Biomarkers, Tumor / Q000032:analysis; D001706:Biopsy; D003113:Colonoscopy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology*; D006394:Hemangiosarcoma / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology*; D006651:Histocytochemistry; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D008853:Microscopy; D019408:Platelet Endothelial Cell Adhesion Molecule-1 / Q000032:analysis; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology*; D014746:Vimentin / Q000032:analysis
chemical_list: D018952:Antigens, CD34; D014408:Biomarkers, Tumor; D019408:Platelet Endothelial Cell Adhesion Molecule-1; D014746:Vimentin