title: Question 3: Is ultrasonography required to rule out congenital anomalies of the kidneys and urinary tract in babies with isolated preauricular tags or sinuses?
authors.affiliation: Infectious Diseases and Microbiology Unit, Institute of Child Health, London, UK. andrew.mcardle@gmail.com
authors.forename: Andrew James
authors.initials: AJ
authors.lastname: McArdle
authors.forename: Rukshana
authors.initials: R
authors.lastname: Shroff
mesh_terms: D004431:Ear, External / Q000002:abnormalities*; D006801:Humans; D007223:Infant; D007668:Kidney / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014463:Ultrasonography; D014551:Urinary Tract / Q000002:abnormalities* / Q000000981:diagnostic imaging