Departmental Bulletin Paper 尿管に発生した浸潤性尿路上皮癌明細胞型の1例
Clear Cell Variant of Invasive Urothelial Carcinoma of the Ureter : A Case Report

森山, 浩之  ,  米原, 修治  ,  吉野, 干城

61 ( 6 )  , pp.241 - 244 , 2015-06 , 泌尿器科紀要刊行会
ISSN:0018-1994
NCID:AN00208315
Description
Clear cell variant of invasive urothelial carcinoma is an extremely rare tumor. Here, we report a case of clear cell variant of invasive urothelial carcinoma of the ureter. A 59-year-old man, who complained of gross hematuria was referred to our hospital for precise examination and treatment. Computerized tomographic scanning confirmed the presence of a tumor in the right lower ureter. Urine cytology was positive. He had undergone retroperitoneoscopy-assisted right radical nephroureterectomy. Typical urothelial carcinoma with partial clear cell appearance made it difficult to make a precise pathological diagnosis and immunohistochemical stain helped to diagnosis the case as clear cell variant of invasive urothelial carcinoma. To our knowledge this is the first case of clear cell variant of invasive urothelial carcinoma of the ureter in the world.
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