title: Radiologic Seminar CCXVIII: pyopneumoperitoneum simulating colon dilatation: computed tomography for abdominal abscess definition.
mesh_terms: D000038:Abscess / Q000175:diagnosis / Q000000981:diagnostic imaging*; D003106:Colon / Q000000981:diagnostic imaging; D003108:Colonic Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004108:Dilatation, Pathologic / Q000175:diagnosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008875:Middle Aged; D011027:Pneumoperitoneum / Q000175:diagnosis / Q000000981:diagnostic imaging*; D011860:Radiography, Abdominal; D014057:Tomography, X-Ray Computed / Q000379:methods*