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英文誌(2004-)

Journal of Medical Ultrasonics

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1991 - Vol.18

Vol.18 No.03

Original Article(原著)

(0257 - 0261)

腎癌腫瘍血栓の超音波診断

Ultrasonographic Evaluation of Tumor Thrombus in the Renal Vein and Inferior Vena Cava in Patients with Renal Cancer

山下 俊郎, 小川 秋實

Toshio YAMASHITA, Akimi OGAWA

信州大学医学部泌尿器科学教室

Department of Urology, Shinshu University School of Medicine

キーワード : Renal cancer, Tumor thrombus, Ultrasonography

We reviewed 91 patients with renal cancer to determine whether tumor thrombus in the renal vein or inferior vena cava is better diagnosed by ultrasonography, CT scan or angiography. Ultrasonography provided a diagnostic accuracy of 90% in the absence of tumor thrombus, 8% in the presence of tumor thrombus in the renal vein and 90% in the presence of intra-caval tumor thrombus. A similar diagnostic accuracy was obtained by CT scan or angiography. Since the presence or absence of intra-caval thrombus most influences the surgical procedure, and since the latest ultrasonic equipment makes it possible to diagnose intra-caval thrombus more correctly, we believe that ultrasonography should be the first choice for patients with renal cancer who need to be examined.