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Cystoscopy
Cystoscopy is a test that allows your doctor to look at the inside
of the
bladder and the
urethra using a thin, lighted instrument called a
cystoscope
.
The cystoscope is inserted
into your urethra and slowly advanced into the
bladder. Cystoscopy allows your doctor to look at
areas of your bladder and urethra that usually do not show up well on X-rays.
Tiny surgical instruments can be inserted through the cystoscope that allow
your doctor to remove samples of tissue (biopsy) or
samples of urine.
Small
bladder stones and some small growths can be removed during cystoscopy. This may
eliminate the need for more extensive surgery.
Why It Is Done
Cystoscopy may be done to:
- Find the cause of symptoms such as blood in the urine (hematuria), painful urination (dysuria), urinary incontinence, urinary frequency or hesitancy, an inability to pass urine (retention), or a sudden and overwhelming need to urinate (urgency).
- Find the cause of problems of the urinary tract, such as frequent, repeated urinary tract infections or urinary tract infections that do not respond to treatment.
- Look for problems in the urinary tract, such as blockage in the urethra caused by an enlarged prostate, kidney stones, or tumors.
- Evaluate problems that cannot be seen on X-ray or to further investigate problems detected by ultrasound or during intravenous pyelography, such as kidney stones or tumors.
- Remove tissue samples for biopsy.
- Remove foreign objects.
- Place ureteral catheters (stents) to help urine flow from the kidneys to the bladder.
- Treat urinary tract problems. For example, cystoscopy can be done to remove urinary tract stones or growths, treat bleeding in the bladder, relieve blockages in the urethra, or treat or remove tumors.
- Place a catheter in the ureter for an X-ray test called retrograde pyelography. A dye that shows up on an X-ray picture is injected through the catheter to fill and outline the ureter and the inside of the kidney.
How To Prepare
Tell your doctor if you:
- Are allergic to any medicines, including anesthetics.
- Have had bleeding problems or take blood-thinning medicine, such as aspirin or warfarin (Coumadin).
- Are or might be pregnant.
You will be asked to sign a consent form before the test.
Talk to your doctor about any concerns you have regarding the need for the
test, its risks, how it will be done, or what the results may mean. To help you
understand the importance of this test, fill out the
medical test information form
(What is a PDF document?)
.
Cystoscopy can be performed with local, spinal, or general anesthesia. Discuss with your doctor which method is best for you and whether you should plan on staying overnight in the hospital. If you will not be staying in the hospital, arrange for someone to drive you home after the test.
- If a local anesthetic is used, you may eat and drink normally before the test.
- If a general or spinal anesthetic is used, do not eat or drink anything for at least 8 hours before the test.
You should empty your bladder just before the test. You may be given medicine to prevent a urinary tract infection that could be caused by the test.
WebMD Medical Reference from Healthwise
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