title: Clinical challenges: 18 year old male with bloody diarrhea.
authors.affiliation: Department of Pediatrics, Division of Gastroenterology, University of Pittsburgh School of Medicine and Children's Hospital of Pittsburgh, PA 15213, USA.
authors.forename: Helen J
authors.initials: HJ
authors.lastname: Kim
authors.forename: Beverley
authors.initials: B
authors.lastname: Newman
authors.forename: David J
authors.initials: DJ
authors.lastname: Keljo
mesh_terms: D000293:Adolescent; D003093:Colitis, Ulcerative / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology; D003937:Diagnosis, Differential; D003967:Diarrhea / Q000209:etiology; D006801:Humans; D008297:Male; D013921:Thrombocytopenia / Q000150:complications / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed