title: A patient with abdominal pain and a rash.
authors.affiliation: Department of Internal Medicine, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands. h.vanlaarhoven@onco.umcn.nl
authors.forename: H W M
authors.initials: HW
authors.lastname: van Laarhoven
authors.forename: W A
authors.initials: WA
authors.lastname: Blokx
authors.forename: M M B
authors.initials: MM
authors.lastname: Seyger
authors.forename: P P
authors.initials: PP
authors.lastname: Koopmans
mesh_terms: D015746:Abdominal Pain / Q000175:diagnosis* / Q000209:etiology; D000328:Adult; D003937:Diagnosis, Differential; D005076:Exanthema; D006801:Humans; D011695:IgA Vasculitis / Q000175:diagnosis* / Q000473:pathology; D008297:Male