Clear cell papillary renal cell carcinoma: A case report and review of the literature.

Sung Han Kim, Whi-An Kwon, Jae Young Joung, Ho Kyung Seo, Kang Hyun Lee, Jinsoo Chung
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引用次数: 1

Abstract

Clear cell papillary renal cell carcinoma (ccpRCC) was recently established as a distinct type of epithelial neoplasm by the International Society of Urological Pathology Vancouver Classification of Renal Neoplasia. Here, we report a case of partial nephrectomy for a ccpRCC detected during the routine follow-up of a previously treated liposarcoma in a 70-year-old male patient. The patient was referred to the urology department for a right-sided renal mass (size: 2 cm) detected during routine annual imaging follow-up for a malignant right inguinal fibrous histocytoma and liposarcoma that had been diagnosed 6 and 4 years earlier, respectively, and treated with surgery and adjuvant radiation therapy. Following partial nephrectomy, the renal mass was pathologically diagnosed as ccpRCC, and immunohistochemistry revealed carbonic anhydrase 9 (CA9) expression. No recurrences or metastases were detected on follow-up imaging for 6 months. This is the first report of partial nephrectomy for incidentally discovered CA9-positive ccpRCC.

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透明细胞乳头状肾细胞癌1例报告及文献复习。
透明细胞乳头状肾细胞癌(ccpRCC)最近被国际泌尿病理学会温哥华肾肿瘤分类确定为一种独特的上皮肿瘤。在此,我们报告一例70岁男性患者在既往治疗过的脂肪肉瘤的常规随访中发现的ccpRCC部分肾切除术。患者因右腹股沟恶性纤维组织细胞瘤和脂肪肉瘤在常规年度影像学随访中发现右侧肾肿块(大小:2cm)而转至泌尿科,分别于6年和4年前诊断,并接受手术和辅助放射治疗。部分肾切除术后,病理诊断肾肿块为ccpRCC,免疫组化显示碳酸酐酶9 (CA9)表达。随访6个月未见复发或转移。这是偶然发现的ca9阳性ccpRCC部分切除的首例报道。
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