浸潤性腎盂癌の画像診断

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  • Diagnostic imaging of invasive renal pelvic cancer

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In 5 patients with invasive renal pelvic cancer, we evaluated the imaging features of drip infusion pyelography (DIP), retrograde pyelography (RP), ultrasonography (USG), computerized tomography (CT), magnetic resonance imaging (MRI) and renal angiography (RAG). The different features of high diagnostic value were as follows. DIP revealed no visualization with enlargement and reniform outline. RP revealed irregular, serrated filling defect of the pelvis with destruction of the involved calyces and infundibula. USG revealed loss of normal parenchymal architecture with amputation of the central echo complex due to echogenic mass. CT revealed widened renal parenchyma and the involved parenchymal segment, which was replaced by tumor mass with inhomogeneous density and minimal enhancement. MRI denoted renal vein thrombus. RAG revealed, besides the fine neovascularity with tumor blush, hypovascularity in the involved area. In addition to these features, we believe that in particular, RP, USG, CT and RAG are useful tools for patients with non-functioning kidney.

収録刊行物

  • 泌尿器科紀要

    泌尿器科紀要 39 (12), 1125-1129, 1993-12

    泌尿器科紀要刊行会

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