Departmental Bulletin Paper Oncocytic papillary renal cell carcinoma の2例
Two Cases of Oncocytic Papillary Renal Cell Carcinoma

松岡, 崇志  ,  市川, 千宙  ,  福永, 有伸  ,  矢野, 敏史  ,  杉野, 善雄  ,  岡田, 卓也  ,  今井, 幸弘  ,  川喜田, 睦司

62 ( 4 )  , pp.187 - 191 , 2016-04-30 , 泌尿器科紀要刊行会
Oncocytic papillary renal cell carcinoma isa variant of papillary renal cell carcinoma (PRCC). We herein report two cases treated with retroperitoneoscopic partial nephrectomy. Histologically, tumor cells of both cases exhibit round and regular nuclei with CK7 positive areas in the cytoplasm typical of TYPE1 PRCC and eosinophilic granular cytoplasm with E-cadherin positive areas in the cytoplasmic membrane, which indicates TYPE2 PRCC. Out of 46 cases reported in the literature, only one died of disease, which revealsitslow malignant potential.

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