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中华腔镜泌尿外科杂志(电子版) ›› 2021, Vol. 15 ›› Issue (02) : 97 -102. doi: 10.3877/cma.j.issn.1674-3253.2021.02.003

所属专题: 文献

临床研究

单中心评估保留肾单位手术在cT1期Xp11.2易位型肾癌的可行性
马文亮1, 董翔1, 卓然1, 刘宁1, 李笑弓1, 张古田1, 郭宏骞1, 甘卫东1,()   
  1. 1. 210008 江苏,南京大学医学院附属鼓楼医院泌尿外科,南京医科大学鼓楼临床医学院泌尿外科
  • 收稿日期:2020-04-20 出版日期:2021-04-01
  • 通信作者: 甘卫东
  • 基金资助:
    国家自然科学基金面上项目(81572512); 南京市科技发展计划项目(201803025)

The feasibility of nephron-sparing surgery in patients with Xp11.2 translocation renal cell carcinoma at clinical T1 stage-single-center study

Wenliang Ma1, Xiang Dong1, Ran Zhuo1, Ning Liu1, Xiaogong Li1, Gutian Zhang1, Hongqian Guo1, Weidong Gan1,()   

  1. 1. Department of Urology, Nanjing Drum Tower Hospital, the affiliated Hospital of Nanjing University Medical School, Drum Tower Clinical Medical School of Nanjing Medical University, Jiangsu 210008, China
  • Received:2020-04-20 Published:2021-04-01
  • Corresponding author: Weidong Gan
引用本文:

马文亮, 董翔, 卓然, 刘宁, 李笑弓, 张古田, 郭宏骞, 甘卫东. 单中心评估保留肾单位手术在cT1期Xp11.2易位型肾癌的可行性[J]. 中华腔镜泌尿外科杂志(电子版), 2021, 15(02): 97-102.

Wenliang Ma, Xiang Dong, Ran Zhuo, Ning Liu, Xiaogong Li, Gutian Zhang, Hongqian Guo, Weidong Gan. The feasibility of nephron-sparing surgery in patients with Xp11.2 translocation renal cell carcinoma at clinical T1 stage-single-center study[J]. Chinese Journal of Endourology(Electronic Edition), 2021, 15(02): 97-102.

目的

评估保留肾单位手术(NSS)在cT1期Xp11.2易位型肾癌(Xp11.2 tRCC)的可行性。

方法

回顾性对比分析2007年1月至2020年8月在南京鼓楼医院确诊的45例cT1期Xp11.2 tRCC和135例cT1期透明细胞肾细胞癌(ccRCC)临床病理资料。

结果

在Xp11.2 tRCC中cT1a期和cT1b期患者各有13例(52%)和11例(55%)行NSS,而在ccRCC中cT1a期和cT1b期患者各有57例(74%)和48例(82.8%)行NSS。与ccRCC相比,Xp11.2 tRCC瘤体距离肾盂集合系统或肾窦脂肪较近,居于肾脏中央偏内生型生长(均P<0.05)。生存分析显示cT1b期Xp11.2 tRCC患者根治性肾切除术(RN)组无进展生存期(PFS)明显优于NSS组(P=0.036),而cT1a期和cT1期患者总体生存期(OS)和PFS差异均无统计学意义(P>0.05)。然而多因素分析显示手术方式不是影响Xp11.2 tRCC患者疾病进展的独立危险因素(P=0.475和P=0.061)。

结论

cT1a期Xp11.2 tRCC患者行NSS是安全可行的,而cT1b期患者应慎重选择NSS。

Objective

To assess the feasibility of nephron sparing surgery (NSS) in Xp11.2 translocation renal cell carcinoma (Xp11.2 tRCC) at clinical T1 stage (cT1).

Methods

The clinicopathological data of both 45 Xp11.2 tRCC patients and 135 clear cell renal cell carcinoma (ccRCC) patients at cT1 stage from Nanjing Drum Tower Hospital between January 2007 and August 2020 were analyzed retrospectively.

Results

13 patients (52%) at stage cT1a and 11 cases (55%) at stage cT1b underwent NSS in Xp11.2 tRCC while 57 cases (74%) in stage cT1a and 48 cases (82.8%) in stage cT1b underwent NSS in ccRCC. Xp11.2 tRCC was more adjacent to the collecting system, renal sinus and central location of kidney, and it tended to show endophytic properties compared with ccRCC (all P<0.05). Survival analysis demonstrated that patients who underwent RN had more favorable progression-free survival (PFS) than those who underwent NSS (P=0.036), but there was no significant difference in overall survival (OS) and PFS of patients at cT1a or cT1 stage (P>0.05). However, multivariate analysis did not display that the surgery method was an independent risk factor for PFS of patients with Xp11.2 tRCC (P=0.475 and P=0.061).

Conclusion

NSS performed on patients with Xp11.2 tRCC at cT1a stage should be safe and feasible while it should be performed on patients at cT1b stage with more caution.

表1 cT1期Xp11.2易位型肾癌和透明细胞肾细胞癌一般情况比较
表2 cT1期Xp11.2易位型肾癌和透明细胞肾细胞癌肿瘤解剖结构特点
表3 cT1期Xp11.2易位型肾癌患者无进展生存期的单因素和多因素Cox回归模型分析
图1 (1)cT1期Xp11.2易位型肾癌行根治性肾切除(RN)和保留肾单位手术(NSS)患者生存分析(a-f):cT1a期患者总体生存期(OS)(a)和无进展生存期(PFS)(b),cT1b期患者OS(c)和PFS(d),cT1期患者OS(e)和PFS(f);(2)cT1期Xp11.2易位型肾癌和透明细胞肾细胞癌患者生存分析(g-n):cT1a期RN患者OS(g)和PFS(h),cT1b期RN患者OS(i)和PFS(j),cT1a期NSS患者OS(k)和PFS(l),cT1b期NSS患者OS(m)和PFS(n)
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