title: An 87-year-old man with a tympanic abdominal mass.
authors.affiliation: Faculty of Medicine and Dentistry, University of Western Ontario, London, Ont.
authors.forename: Dmitry
authors.initials: D
authors.lastname: Guller
authors.forename: David
authors.initials: D
authors.lastname: Bach
mesh_terms: D015746:Abdominal Pain / Q000209:etiology; D000368:Aged; D000369:Aged, 80 and over; D003106:Colon / Q000000981:diagnostic imaging*; D004241:Diverticulum, Colon / Q000150:complications / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D010474:Percussion; D014057:Tomography, X-Ray Computed