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Radiology, Vol 167, 393-396, Copyright © 1988 by Radiological Society of North America

ARTICLES

Renal cell carcinoma: dynamic thin-section CT assessment of vascular invasion and tumor vascularity

RK Zeman, JJ Cronan, AT Rosenfield, JH Lynch, MH Jaffe and LR Clark
Department of Radiology, Georgetown University Hospital, Washington, DC 20007.

Dynamic thin-section computed tomography (CT) was used to evaluate renal cell carcinoma in 80 patients. The lesion was correctly staged with CT in 90% of patients. With use of the dynamic technique, the ipsilateral renal vein was depicted in 99% of patients. Extension of the tumor to the renal vein or the inferior vena cava was correctly detected in 18 of 19 patients. Actual depiction of tumor thrombus was a far more accurate indicator of renal vein invasion than was the identification of isolated renal vein enlargement. Dynamic thin-section CT of the kidney should be considered the routine method for comparison studies with other newer cross-sectional techniques in the evaluation of renal cell carcinoma.


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