
Cystoscopy and Ureteroscopy
Introduction to cystoscopy and ureteroscopy
When you have a urinary problem, your doctor may use a cystoscope to see
inside your bladder and urethra. The urethra is the tube that carries urine from
the bladder to the outside of the body. The cystoscope has lenses like a
telescope or microscope. These lenses let the doctor focus on the inner surfaces
of the urinary tract. Some cystoscopes use optical fibers (flexible glass
fibers) that carry an image from the tip of the instrument to a viewing piece at
the other end. The cystoscope is as thin as a pencil and has a light at the tip.
Many cystoscopes have extra tubes to guide other instruments for procedures to
treat urinary problems.
Your doctor may recommend cystoscopy for any of the following conditions:
If you have a stone lodged in your ureter or have an area that needs more
study in your ureter, your doctor may recommend a ureteroscopy, usually with
general or regional anesthesia. The ureter is the tube that carries urine from
the kidney to the bladder. The ureteroscope is a special, very thin instrument
used to look directly at and visualize the inside of the ureter. Some
ureteroscopes are flexible like a small, very long straw. Others are more rigid
and firm. Through the ureteroscope, the doctor can see the stone. The doctor can
then move the stone, either by removing it with a small basket at the end of a
wire inserted through an extra tube in the ureteroscope or by extending a
flexible fiber that carries a laser beam to break the stone into smaller pieces
that can then pass out of the body in your urine. How and what the doctor will
do is determined by the location, size, and composition of the stone. The doctor
may leave a stent, a flexible tube that keeps the ureter open for drainage after
the procedure.
Next: How do I prepare for the exam? »
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From the Doctors at MedicineNet.com  |
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