Medical Tests
Chapter 21
The Urinary System

CYSTOSCOPY
(sis-TOS-ko-pe)
cysto = urinary bladder; skopein = to examine
Diagnostic Value
To visualize the inner lining of the urinary tract for signs of blockage, narrowing, stones, growths, polyps, and tumors.
To evaluate the cause of frequent urinary tract infections, blood in the urine (hematuria), loss of bladder control (incontinence), painful urination, and prostatic disorders.
To perform procedures such as stone removal and biopsy of tissues for microscopic examination.
Procedure

A sedative is given an hour before the procedure. If biopsies or stone removal are planned, the patient will require general anesthesia.

After the pubic area is cleansed with antiseptic, a local anesthetic is injected into the urethra.

Then the cystoscope, a metallic tube with telescopic lenses, fiberoptic lighting, and a camera at its tip, is gently introduced into the external urethral orifice and slowly guided into the urinary bladder.

Images are projected to a video monitor for evaluation and pictures are taken.

Results

This is a cystoscopic view of the internal urethral orifice seen from the lumen of the urinary bladder:

Used with permission