Douglas F. Milam M.D.
Urologic Surgery
Cystoscopy--Looking Inside the Urethra and Bladder
Cystoscopy allows us to view the lower urinary tract from the inside. The procedure is performed both in the office setting and in the operating room as part of larger surgical procedures. Visual evaluation of a urethral stricture is extremely helpful in determing both how tight the stricture is and also to assess the character of the tissue. Cystoscopy, coupled with a retrograde urethrogram is the usual workup we perform before operating on a urethral stricture. Cystoscopy can be helpful in other conditions. We use cystoscopy as tool to evaluate continence, urethral obstruction from prostate enlargement, and to identify whether and tumors or stones are present in the bladder.
This image shows the normal prostate. You can see that the image quality is excellent. The "bump" slightly out of focus in the foreground is the veru montanum. This is a landmark urologists use to identify the prostatic apex. Small blood vessels can be easily seen due to the magnification of the optical system. In reality these vessels are about the size of a point of a pin.
Cystoscopes are either flexible or rigid. We use flexible cystoscopes (shown below in the top photo) in the office practice under local anesthesia since they are more comfortable for the patient than rigid cystoscopes. Rigid cystoscopes (shown in the bottom photo) have better optics and larger working channels that allow laser fibers and other instruments to be passed within the sheath of the scope. Rigid cystoscopes are extremely useful for more complex procedures performed in the operating room.
Flexible cystoscope (Black) and the fiber optic light system. The small diameter and flexibility of the instrument allow for evaluation to be performed in the office.
Rigid cystoscopic equipment with working ports.
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