F. Interstitial cystitis is characterized by urinary urgency bladder discomfort and a sense of inadequate emptying of the bladder. Dyspareunia is often present. Cystoscopy is diagnostic.

• 间质性膀胱炎是以尿急、膀胱不适及膀胱排空不足感为特征。该病常出现性交困难，可以通过膀胱镜诊断。