cystitis cystica https://www.malacards.org/card/cystitis_cystica UMLS:C0152262 SCTID:13285005 MONDO:0004118 ICD9:595.81 DOID:7138 MEDGEN:472898 NCIT:C96230 A reactive inflammatory disorder affecting the bladder. It is characterized by the development of small cysts in the bladder wall. The cysts are lined by urothelial cells. cystitis