Renal cell carcinoma: dynamic thin-section CT assessment of vascular invasion and tumor vascularity |
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Authors: | Zeman RK; Cronan JJ; Rosenfield AT; Lynch JH; Jaffe MH; Clark LR |
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Institution: | Department of Radiology, Georgetown University Hospital, Washington, DC 20007. |
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Abstract: | 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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