title: Sherlock Holmes in the ER (the case of red and the head).
abstract: A 58-year-old woman presented with a problem with her peripheral vision. Computed tomography scan showed an occipital hemorrhagic stroke. She subsequently suffered gastrointestinal bleeding and at surgery biopsy of a portion of the middle colic artery aneurysm revealed changes consistent with polyarteritis nodosa.
authors.affiliation: Department of Ophthalmology, Università di Bologna, Bologna, Italy.
authors.forename: Edlira
authors.initials: E
authors.lastname: Bendo
authors.forename: Molly
authors.initials: M
authors.lastname: Gilbert
authors.forename: Pamela
authors.initials: P
authors.lastname: Chavis
authors.forename: Susannah
authors.initials: S
authors.lastname: Mistr
mesh_terms: D002543:Cerebral Hemorrhage / Q000175:diagnosis* / Q000188:drug therapy; D003520:Cyclophosphamide / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000188:drug therapy / Q000601:surgery; D006423:Hemianopsia / Q000175:diagnosis* / Q000188:drug therapy; D006801:Humans; D007166:Immunosuppressive Agents / Q000627:therapeutic use; D018810:Magnetic Resonance Angiography; D008875:Middle Aged; D010488:Polyarteritis Nodosa / Q000175:diagnosis* / Q000188:drug therapy; D011241:Prednisone / Q000627:therapeutic use; D020521:Stroke / Q000175:diagnosis* / Q000188:drug therapy; D014057:Tomography, X-Ray Computed; D014792:Visual Acuity; D014794:Visual Fields
chemical_list: D007166:Immunosuppressive Agents; D003520:Cyclophosphamide; D011241:Prednisone