title: An X-ray that helps to solve the puzzle.
authors.affiliation: Department of Internal Medicine, Rijnstate Hospital, Arnhem, the Netherlands. annekebech@hotmail.com
authors.forename: A P
authors.initials: AP
authors.lastname: Bech
authors.forename: L J
authors.initials: LJ
authors.lastname: Reichert
mesh_terms: D000368:Aged; D018483:Diaphyses / Q000473:pathology; D031249:Erdheim-Chester Disease / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D010994:Pleura / Q000000981:diagnostic imaging / Q000473:pathology*; D010996:Pleural Effusion / Q000175:diagnosis / Q000000981:diagnostic imaging*; D011859:Radiography; D012598:Sclerosis / Q000175:diagnosis / Q000000981:diagnostic imaging