Cystoscopy means bladder endoscopy. In this method, by passing a narrow camera, cystoscope, into the urethras and bladder, the doctor examine urethras and bladder to see the probable diseases like bleeding reasons, narrowing of ducts, prostate enlargement, bladder tumor and son on. The picture is shown to the patient by connection of the camera to the monitor simultaneously. You can see the cystoscope camera and how to do cystoscopy on the following photos.