title: Emphysematous cystitis. Introduction.
mesh_terms: D000368:Aged; D003556:Cystitis / Q000000981:diagnostic imaging / Q000209:etiology*; D004646:Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D004927:Escherichia coli Infections / Q000150:complications; D005260:Female; D006801:Humans; D011859:Radiography; D014552:Urinary Tract Infections / Q000150:complications