title: Radiology case of the month. Calcified mass and indistinct retroperitoneal landmarks on abdominal radiograph. Ruptured abdominal aortic aneurysm.
authors.affiliation: LSUMC, USA.
authors.forename: C C
authors.initials: CC
authors.lastname: Romano
authors.forename: E
authors.initials: E
authors.lastname: Blaudeau
authors.forename: H R
authors.initials: HR
authors.lastname: Neitzschman
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D017542:Aneurysm, Ruptured / Q000000981:diagnostic imaging*; D017544:Aortic Aneurysm, Abdominal / Q000000981:diagnostic imaging*; D002114:Calcinosis / Q000000981:diagnostic imaging*; D003287:Contrast Media; D004630:Emergencies; D005260:Female; D006801:Humans; D008875:Middle Aged; D011856:Radiographic Image Enhancement / Q000379:methods; D014057:Tomography, X-Ray Computed
chemical_list: D003287:Contrast Media