[Current possibilities of preoperative diagnosis in planned partial kidney resections].

Sequential and functional scintigraphy utilizing the regions of interest technique has a definite place in preoperative diagnostic renal evaluation prior to partial nephrectomy. Whereas scintigraphy offers information regarding parenchymal function and eventual therapy, renal angiography enables one to visualize the vascular tree, which is technically important for the urologist during surgery. The fate of the diseased parenchymal portion should not only be determined from the subjective intraoperative findings, but rather from more exact methods which measure function and morphology.