title: Unresponsive asthma: Don't forget mediastinal masses.
authors.forename: Matthew J
authors.initials: MJ
authors.lastname: Murray
authors.forename: James C
authors.initials: JC
authors.lastname: Nicholson
authors.forename: Donna
authors.initials: D
authors.lastname: McShane
mesh_terms: D001249:Asthma / Q000000981:diagnostic imaging*; D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D007938:Leukemia / Q000000981:diagnostic imaging*; D008223:Lymphoma / Q000000981:diagnostic imaging*; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography; D012017:Referral and Consultation