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Updated: Jan 31, 2026

Comparing Metastatic Clear Cell Renal Cell Carcinoma Model Established in Mouse Kidney and on Chicken Chorioallantoic Membrane
Published on: February 8, 2020
[Ipsilateral Occurrence of Renal Pelvic Carcinoma after Partial Nephrectomy for Renal Cell Carcinoma]
Tomoyuki Tatenuma1, Nobuhiko Mizuno1, Ryosuke Jikuya1
1The Department of Urology, Kanagawa Cancer Center.
Abstract:
A 70-year-old man underwent left partial nephrectomy for renal cell carcinoma (pT1aN0M0). One year after the surgery, he presented with hematuria and fatigue. Computed tomography showed a left 8 cm renal tumor and multiple liver and lung metastases. We performed percutaneous renal and liver biopsy with echo guidance. The diagnosis of both kidney and liver was urothelial carcinoma. He died 3 weeks after the diagnosis. Ipsilateral occurrence of the pelvic renal carcinoma after partial nephrectomy for renal cell carcinoma is extremely rare. To our knowledge, this case is the first to be reported in Japan and elsewhere.
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