title: The Yield of Diagnostic Imaging in Patients with Isolated Horner Syndrome.
abstract: We sought to determine, with a retrospective chart review, the imaging yield for patients with clinically isolated Horner syndrome. MRI/MRA of the head and neck extending from the supraorbital ridge to T4 with fat suppression and with postcontrast images was obtained. Of 88 patients with isolated Horner syndrome who were imaged, 20% had a causative etiology on imaging. The most common cause of an isolated Horner syndrome was a carotid artery dissection. There was 1 patient with a primary malignancy found to be the causative lesion in this group, and 1 patient with spread of their known metastatic disease.
authors.affiliation: Department of Ophthalmology and Visual Sciences, University of Iowa Hospital and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA.
authors.forename: Johanna D
authors.initials: JD
authors.lastname: Beebe
authors.affiliation: Department of Ophthalmology and Visual Sciences, University of Iowa Hospital and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA; Iowa City Veterans Affairs Medical Center, Highway 6, Iowa City, IA 52246, USA. Electronic address: randy-kardon@uiowa.edu.
authors.forename: Randy H
authors.initials: RH
authors.lastname: Kardon
authors.affiliation: Department of Ophthalmology and Visual Sciences, University of Iowa Hospital and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA.
authors.forename: Matthew J
authors.initials: MJ
authors.lastname: Thurtell
mesh_terms: D005260:Female; D006732:Horner Syndrome / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000209:etiology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies
keywords: Anisocoria; Carotid artery dissection; Imaging yield; Isolated Horner syndrome