BRUSH BIOPSY OF THE RENAL PELVIS

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Abstract
A new use of brush biopsy techniques is described for the renal pelvis.A special French No. 5 catheter with matching nylon brush and the ability to perform retrograde ureteral catheterization under fluoroscopic control are essential to the successful completion of this technique.Excellent cell preparations were obtained which should permit accurate cytologic interpretation.No damage to the uroepithelium was found.

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