Cystitis cystica is an uncommon chronic reactive inflammatory disease that is believed to be brought on by a tumor, calculi, infection, or obstruction of the urothelium.[1]Cystitis glandularis is a proliferative progression of cystitis cystica that is distinguished by urothelial glandular metaplasia.[2]
^Wong-You–Cheong, Jade J.; Woodward, Paula J.; Manning, Maria A.; Davis, Charles J. (2006). "Inflammatory and Nonneoplastic Bladder Masses: Radiologic-Pathologic Correlation". RadioGraphics. 26 (6): 1847–1868. doi:10.1148/rg.266065126. ISSN0271-5333.