[Value of invasive preoperative imaging in kidney tumors of malignant or uncertain character]. / Stellenwert der invasiven präoperativen Bildgebung bei Nierentumoren maligner oder unklarer Dignität.

ABSTRACT

Preoperative staging of malignant renal tumors or undetermined dignity is mainly performed noninvasively using CT or MRI. In cases with vascular invasion or a solitary kidney extensive invasive evaluation of the tumor can influence preoperative planning. We report two cases of oncocytoma and renal cell carcinoma with extensive imaging using DSA or helical CT-cavography.