title: Cystitis cystica masquerading as a bladder tumor.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003556:Cystitis / Q000000981:diagnostic imaging* / Q000473:pathology; D003937:Diagnosis, Differential; D004927:Escherichia coli Infections / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D001743:Urinary Bladder / Q000473:pathology; D001749:Urinary Bladder Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D014552:Urinary Tract Infections / Q000150:complications; D014567:Urography