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Updated: Aug 7, 2026
Modeling Spontaneous Metastatic Renal Cell Carcinoma (mRCC) in Mice Following Nephrectomy
Published on: April 29, 2014
Retroperitoneal cystic metastasis from a small clear cell renal carcinoma
N Ishii1, J Yonese, T Tsukamoto
1Department of Urology, Cancer Institute Hospital, Tokyo, Japan. n-ishii@palette.plala.or.jp
A 39-year-old housewife was referred to our hospital for the treatment of a small renal tumor. A 25 x 35 mm cystic mass that had been detected by computerized tomography scan just caudal to the renal hilus proved to be a metastasis from the renal carcinoma of clear cell type. The pathogenesis may have been due to tumor cells obstructing a lymphatic vessel draining the kidney. Cystic metastasis from renal cell carcinoma is very rare and this appears to be the second published case in the world.
A 39-year-old housewife was referred to our hospital for the treatment of a small renal tumor. A 25 x 35 mm cystic mass that had been detected by computerized tomography scan just caudal to the renal hilus proved to be a metastasis from the renal carcinoma of clear cell type. The pathogenesis may have been due to tumor cells obstructing a lymphatic vessel draining the kidney. Cystic metastasis from renal cell carcinoma is very rare and this appears to be the second published case in the world.
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