Transitional-Cell Carcinoma of the Renal Pelvis: Ureteroscopic and Percutaneous Approach

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Abstract
There are a variety of publications advocating the ureteroscopic or the percutaneous approach for the treatment of transitional cell carcinoma of the renal pelvis. The diagnostic tool of choice for the upper urinary tract and collecting system is the flexible ureteroscope. One of the major concerns about ureteroscopic management of renal disease initially was the lack of flexibility of the instruments and therefore the inability to deal with demanding sites. The advent of new ureteroscopic techniques, as well as the continuous evolution of the technology, have paved the way for safe and effective access to the upper urinary tract. In the hands of an experienced urologist, such procedures can provide reliable treatment options for small upper urinary tract lesions. Coupling minimal morbidity with ever-improving optics and flexibility, the ureteroscope of today leaves no area of the urinary tract unseen. In patients with bulky tumors or in whom easy access and resection is not possible ureteroscopically, the percutaneous approach to the renal pelvis, although more invasive, provides a better working environment. Clearly, the most difficult aspect of ureteroscopic access to the lower pole is not just visibility but the loss of deflection caused by passage of various instruments through the working channel. Direct access via percutaneous approach with a large resectoscope avoids these problems.