title: Case report: the CT halo sign: a rare manifestation of squamous cell carcinoma of the lung.
authors.affiliation: Department of Radiology, North West London Hospitals NHS Trust, London, UK.
authors.forename: S S
authors.initials: SS
authors.lastname: Kaneria
authors.forename: J
authors.initials: J
authors.lastname: Tarkin
authors.forename: G
authors.initials: G
authors.lastname: Williams
authors.forename: G
authors.initials: G
authors.lastname: Bain
authors.forename: M
authors.initials: M
authors.lastname: Quigley
mesh_terms: D000369:Aged, 80 and over; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D014057:Tomography, X-Ray Computed / Q000379:methods*