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- What is a cystoscopy?
- What is a ureteroscopy?
- What are the preparations for a cystoscopy or ureteroscopy?
- How is a cystoscopy or ureteroscopy performed?
- What happens after a cystoscopy or ureteroscopy?
- Points to remember about cystoscopies and ureteroscopies
- Hope through research
- Where can I find more information about cystoscopy and ureteroscopy?
What is a cystoscopy?
A cystoscopy is an examination of the inside of the bladder and urethra, the tube that carries urine from the bladder to the outside of the body. In men, the urethra is the tube that runs through the penis. The doctor performing the examination uses a cystoscope -- a long, thin instrument with an eyepiece on the external end and a tiny lens and a light on the end that is inserted into the bladder. The doctor inserts the cystoscope into the patient's urethra, and the small lens magnifies the inner lining of the urethra and bladder, allowing the doctor to see inside the hollow bladder. Many cystoscopes have extra channels within the sheath to insert other small instruments that can be used to treat or diagnose urinary problems.
A doctor may perform a cystoscopy to find the cause of many urinary conditions, including
- frequent urinary tract infections
- blood in the urine, which is called hematuria
- a frequent and urgent need to urinate
- unusual cells found in a urine sample
- painful urination, chronic pelvic pain, or interstitial cystitis/painful bladder syndrome
- urinary blockage caused by prostate enlargement or some other abnormal narrowing of the urinary tract
- a stone in the urinary tract, such as a kidney stone
- an unusual growth, polyp, tumor, or cancer in the urinary tract
What is a ureteroscopy?
A ureteroscopy is an examination or procedure using a ureteroscope. A ureteroscope, like a cystoscope, is an instrument for examining the inside of the urinary tract. A ureteroscope is longer and thinner than a cystoscope and is used to see beyond the bladder into the ureters, the tubes that carry urine from the kidneys to the bladder. Some ureteroscopes are flexible like a thin, long straw. Others are more rigid and firm. Through the ureteroscope, the doctor can see a stone in the ureter and then remove it with a small basket at the end of a wire inserted through an extra channel in the ureteroscope. Another way to treat a stone through a ureteroscope is to extend a flexible fiber through the scope up to the stone and then, with a laser beam shone through the fiber, break the stone into smaller pieces that can then pass out of the body in the urine. How and what the doctor will do is determined by the location, size, and composition of the stone.
The reasons for a ureteroscopy include the following conditions:
What are the preparations for a cystoscopy or ureteroscopy?
People scheduled for a cystoscopy or ureteroscopy should ask their doctor about any special instructions. In most cases, for cystoscopy, people will be able to eat normally in the hours before the test. For ureteroscopy, people may be told not to eat before the test.
Because any medical procedure has a small risk of injury, patients must sign a consent form before the test. They should not hesitate to ask their doctor about any concerns they might have.
Patients may be asked to give a urine sample before the test to check for infection. They should avoid urinating for an hour before this part of the test.
Usually, patients lie on their back with knees raised and apart. A nurse or technician cleans the area around the urethral opening and applies a local anesthetic so the patient will not experience any discomfort during the test.
People having a ureteroscopy may receive a spinal or general anesthetic. They should arrange for a ride home after the test.
How is a cystoscopy or ureteroscopy performed?
After a local anesthetic is used to take away sensation in the ureter, the doctor gently inserts the tip of the cystoscope or ureteroscope into the urethra and slowly glides it up into the bladder. A sterile liquid -- water or salt water, called saline -- flows through the scope to slowly fill the bladder and stretch it so the doctor has a better view of the bladder wall.
As the bladder is filled with liquid, patients feel some discomfort and the urge to urinate. The doctor may then release some of the fluid, or the patient may empty the bladder as soon as the examination is over.
The time from insertion of the scope to removal may be only a few minutes, or it may be longer if the doctor finds a stone and decides to treat it. Taking a biopsy -- a small tissue sample for examination with a microscope -- will also make the procedure last longer. In most cases, the entire examination, including preparation, takes 15 to 30 minutes.
What happens after a cystoscopy or ureteroscopy?
Patients may have a mild burning feeling when they urinate, and they may see small amounts of blood in their urine. These problems should not last more than 24 hours. Patients should tell their doctor if bleeding or pain is severe or if problems last more than a day.
To relieve discomfort, patients should drink two 8-ounce glasses of water each hour for 2 hours after the procedure. They may ask their doctor if they can take a warm bath to relieve the burning feeling. If not, they may be able to hold a warm, damp washcloth over the urethral opening.
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Points to Remember
- Cystoscopy and ureteroscopy are procedures used to view the inside of the bladder, urethra, and possibly the ureters.
- A cystoscope is an instrument used to examine the urethra and bladder.
- A ureteroscope is an instrument used to examine the ureters.
- Before a cystoscopy or ureteroscopy, patients should
- talk with their doctor to ask questions and receive instructions
- sign a consent form
- avoid urinating for about an hour before giving a urine sample if one is required
- arrange for a ride home if general or spinal anesthetic will be used
- After a cystoscopy or ureteroscopy, patients should
Hope through research
The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) has many research programs aimed at understanding kidney and urologic disorders, including urinary stones, enlarged prostate, urinary incontinence, and kidney failure. The NIDDK sponsors researchers developing advanced diagnostic equipment, such as cystoscopes that can examine bladder tissue at the microscopic level. This technology may in some cases eliminate the need for biopsy.
Participants in clinical trials can play a more active role in their own health care, gain access to new research treatments before they are widely available, and help others by contributing to medical research. For information about current studies, visit www.ClinicalTrials.gov.
Where can I find more information about cystoscopy and ureteroscopy?
American Urological Association Foundation
1000 Corporate Boulevard
Linthicum, MD 21090
Phone: 1-866-RING-AUA (1-866-746-4282) or 410-689-3700
Email: [email protected]
Interstitial Cystitis Association
110 North Washington Street Suite 340
Rockville, MD 20850
Phone: 1-800-HELP-ICA (1-800-435-7422) or 301-610-5300
Email: [email protected]
Health Solutions From Our Sponsors
United States. National Kidney and Urologic Diseases Information Clearinghouse (NKUDIC). "Cystoscopy and Ureteroscopy." Mar. 28, 2012. <http://kidney.niddk.nih.gov/KUDiseases/pubs/cystoscopy/index.aspx>.
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