title: Catheter-induced pulmonary artery pseudoaneurysm: the halo sign on CT.
authors.affiliation: Department of Radiology, Massachusetts General Hospital, Boston 02114.
authors.forename: A R
authors.initials: AR
authors.lastname: Guttentag
authors.forename: J A
authors.initials: JA
authors.lastname: Shepard
authors.forename: T C
authors.initials: TC
authors.lastname: McLoud
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000783:Aneurysm / Q000000981:diagnostic imaging* / Q000209:etiology; D015901:Angiography, Digital Subtraction; D002407:Catheterization, Swan-Ganz / Q000009:adverse effects*; D006801:Humans; D008297:Male; D011651:Pulmonary Artery / Q000000981:diagnostic imaging* / Q000293:injuries*; D014057:Tomography, X-Ray Computed; D014950:Wounds, Penetrating / Q000000981:diagnostic imaging / Q000209:etiology