title: Case of the month: pseudo-tumour of the postero-superior mediastinum.
authors.affiliation: Department of Radiology, Alder Hey Children's Hospital, Liverpool, UK.
authors.forename: J F
authors.initials: JF
authors.lastname: Meaney
authors.forename: D E
authors.initials: DE
authors.lastname: Roberts
authors.forename: H
authors.initials: H
authors.lastname: Carty
mesh_terms: D002828:Choristoma / Q000000981:diagnostic imaging*; D003550:Cystic Fibrosis / Q000150:complications; D006801:Humans; D007223:Infant; D008297:Male; D008477:Mediastinal Diseases / Q000000981:diagnostic imaging*; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography; D013950:Thymus Gland / Q000000981:diagnostic imaging; D014463:Ultrasonography