title: Identification of optic disc elevation and the crescent sign using point-of-care ocular ultrasound in children.
abstract: Point-of-care ocular ultrasound has been used to detect papilledema. In previous studies, investigators have evaluated only optic nerve sheath diameter as a screen for increased intracranial pressure. In this series of 4 children, we demonstrate 2 additional optic nerve abnormalities using point-of-care ocular ultrasound: optic disc elevation and the crescent sign. Assessing the optic nerve for each of these 3 findings may assist the examiner in detecting papilledema.
authors.affiliation: From the *Division of Emergency Medicine, Children's Hospital of Philadelphia, Philadelphia, PA; and †Division of Emergency Medicine, Children's Hospital Colorado, Colorado, Aurora, CO.
authors.forename: Ronald F
authors.initials: RF
authors.lastname: Marchese
authors.forename: Rakesh D
authors.initials: RD
authors.lastname: Mistry
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Scarfone
authors.forename: Aaron E
authors.initials: AE
authors.lastname: Chen
mesh_terms: D000293:Adolescent; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D009898:Optic Disk / Q000000981:diagnostic imaging*; D010211:Papilledema / Q000000981:diagnostic imaging*; D019095:Point-of-Care Systems; D015203:Reproducibility of Results; D014463:Ultrasonography