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By Mayo Clinic staffCystoscopy is a procedure used to see inside your bladder and urethra — the tube that carries urine from your bladder to the outside of your body. During a cystoscopy (sis-TOS-ko-pe) procedure, your doctor uses a hollow scope (cystoscope) equipped with a lens to carefully examine the lining of your bladder and your urethra. The cystoscope is inserted into your urethra and slowly advanced into your bladder.
Cystoscopy, also called cystourethroscopy, may be performed as an outpatient procedure using a local anesthetic to numb your urethra. Or cystoscopy can be performed in the hospital using regional or general anesthesia. The type of cystoscopy you undergo depends on the reason for your procedure.