A case report of retroaortic left renal vein with tumor thrombus of renal cell carcinoma |
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Authors: | Hideo Otsuki Kenji Kuroda Takeo Kosaka Keiichi Ito Masamichi Hayakawa Tomohiko Asano |
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Institution: | (1) Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa Saitama, 359-8513, Japan |
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Abstract: | A 75-year-old woman was referred to our department for evaluation of a left renal tumor. Computed tomography and other imaging
studies demonstrated a left renal mass and tumor extension into the left renal vein passing caudally behind the aorta. We
clinically diagnosed the tumor as renal cell carcinoma (RCC) associated with a retroaortic left renal vein thrombus, and performed
a radical nephrectomy. Pathological examination of the surgical specimen showed a grade 2, clear cell carcinoma with a renal
vein thrombus and negative surgical margin. Retroaortic left renal vein is a rare anomaly with a prevalence of 1.8–2.4%. RCC
associated with a retroaortic left renal vein thrombus is rarer still. To our knowledge, this is only the third case report
to describe an RCC associated with a tumor thrombus in the retroaortic left renal vein. |
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