title: [Radiological quiz of the month: costal lump].
authors.affiliation: Service de radiologie, hôpital d'enfants Armand-Trousseau, Assistance publique-Hôpitaux de Paris, 26, avenue du Docteur-Arnold-Netter, 75571, Paris cedex 12, France.
authors.forename: J
authors.initials: J
authors.lastname: Berquier
authors.forename: M
authors.initials: M
authors.lastname: Lenoir
authors.forename: J P
authors.initials: JP
authors.lastname: Montagne
mesh_terms: D004452:Echocardiography; D006801:Humans; D007223:Infant; D008297:Male; D013902:Radiography, Thoracic; D012253:Rib Fractures / Q000000981:diagnostic imaging*