<prompt> All are seen in interstitial cystitis except:FeverHematuriaDysuriaPresence of linear bleeding ulcer in the fundus  <response>: Interstitial cystitis Hunners ulcer- Characterized by Chronic Pancystitis- Infiltration of lymphocytes and macrophages- MC in females- Etiology is unknown- Presence of linear bleeding ulcer in the fundus involving mucosaClinical features- Initial symptom - Increased frequency- Pain increased by distention of bladder relieved by micturition- Bladder capacity is reduced to 30 - 50mlDiagnosis- On Cystoscopy - presence of linear bleeding ulcer in fundus- To rule out malignancy: Urinary cytology BiopsyTreatment- Difficult and unsatisfactory- Bladder distention under anesthesia- Instillation of dimethyl-sulphoxide into the bladder 