title: Twenty-four-year-old woman with a droopy eyelid-quiz case.
authors.affiliation: Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, MA 02114, USA. alison_callahan@meei.harvard.edu
authors.forename: Alison B
authors.initials: AB
authors.lastname: Callahan
authors.forename: Joseph F
authors.initials: JF
authors.lastname: Rizzo
mesh_terms: D000783:Aneurysm / Q000150:complications* / Q000175:diagnosis; D001763:Blepharoptosis / Q000209:etiology*; D004172:Diplopia / Q000209:etiology; D005260:Female; D006732:Horner Syndrome / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D018810:Magnetic Resonance Angiography; D008279:Magnetic Resonance Imaging; D013348:Subclavian Artery / Q000473:pathology*; D014792:Visual Acuity; D055815:Young Adult