title: Spontaneous pneumopericardium secondary to penetrating benign gastric ulcer.
authors.affiliation: Mallinckrodt Institute of Radiology, Washington University Medical Center, USA.
authors.forename: P J
authors.initials: PJ
authors.lastname: Pickhardt
authors.forename: S
authors.initials: S
authors.lastname: Bhalla
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D007223:Infant; D011026:Pneumopericardium / Q000000981:diagnostic imaging / Q000209:etiology*; D013276:Stomach Ulcer / Q000150:complications* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed