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Ureteroscopy is an examination of the upper urinary tract, usually performed with a ureteroscope that is passed through the urethra and the bladder, and then directly into the ureter. [1] The procedure is useful in the diagnosis and treatment of disorders such as kidney stones and urothelial carcinoma of the upper urinary tract. [ 1 ]
It can also be used ureteroscopy, or to delineate renal anatomy in preparation for surgery. Retrograde pyelography is generally done when an intravenous excretory study (intravenous pyelogram or contrast CT scan) cannot be done because of renal disease or allergy to intravenous contrast.
The local anesthetic is applied direct from a tube or needleless syringe into the urinary tract. Often, skin preparation is performed with chlorhexidine. [4] Patients receiving a ureteroscopy may receive a spinal or general anaesthetic. The physician will gently insert the tip of the cystoscope into the urethra and slowly glide it up into the ...
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The first to examine the ureter through an internal approach, called ureteroscopy, rather than surgery was Hampton Young in 1929. [61] This was improved on by VF Marshall who is the first published use of a flexible endoscope based on fiber optics , which occurred in 1964. [ 61 ]
Assessment of the urinary tract for abnormalities such as blockage or narrowing, the presence of kidney stones, or tumours. [2] Use of duplex ultrasound to determine if there is backward flow of urine, for example in vesicoureteric reflux. Determination of how much urine is in the bladder, for example to assess for urinary retention.
A distinction between nephrolithiasis and urolithiasis can be made because not all urinary stones (uroliths) form in the kidney; they can also form in the bladder. But the distinction is often clinically irrelevant (with similar disease process and treatment either way) and the words are thus often used loosely as synonyms.
A suprapubic cystostomy or suprapubic catheter (SPC) [1] (also known as a vesicostomy or epicystostomy) is a surgically created connection between the urinary bladder and the skin used to drain urine from the bladder in individuals with obstruction of normal urinary flow.