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中华腔镜泌尿外科杂志(电子版) ›› 2025, Vol. 19 ›› Issue (03) : 303 -308. doi: 10.3877/cma.j.issn.1674-3253.2025.03.004

临床研究

经尿道膀胱肿瘤整块切除术在T1期膀胱癌病理亚分期中的价值
郄云凯1, 张哲1, 梁山1, 吴周亮1, 李雨竹1, 付晨辉1, 沈冲1, 胡海龙1,()   
  1. 1. 300211 天津医科大学第二医院泌尿外科
  • 收稿日期:2024-10-16 出版日期:2025-06-01
  • 通信作者: 胡海龙
  • 基金资助:
    国家自然科学基金项目(82403319)天津市自然科学基金项目(20JCQNJC00550)天津市卫健委重点学科专项(TJWJ2022XK014)天津市教委科研计划项目(2022ZD069)天津医科大学第二医院泌尿外科学科人才培育项目(MNRC202313)天津医科大学第二医院自然科学孵育基金(2022ydey15)

The value of transurethral en-bloc resection of bladder tumor in pathological sub-staging of T1 stage bladder cancer

Yunkai Qie1, Zhe Zhang1, Shan Liang1, Zhouliang Wu1, Yuzhu Li1, Chenghui Fu1, Chong Shen1, Hailong Hu1,()   

  1. 1. Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin 300211,China
  • Received:2024-10-16 Published:2025-06-01
  • Corresponding author: Hailong Hu
引用本文:

郄云凯, 张哲, 梁山, 吴周亮, 李雨竹, 付晨辉, 沈冲, 胡海龙. 经尿道膀胱肿瘤整块切除术在T1期膀胱癌病理亚分期中的价值[J/OL]. 中华腔镜泌尿外科杂志(电子版), 2025, 19(03): 303-308.

Yunkai Qie, Zhe Zhang, Shan Liang, Zhouliang Wu, Yuzhu Li, Chenghui Fu, Chong Shen, Hailong Hu. The value of transurethral en-bloc resection of bladder tumor in pathological sub-staging of T1 stage bladder cancer[J/OL]. Chinese Journal of Endourology(Electronic Edition), 2025, 19(03): 303-308.

目的

探讨经尿道膀胱肿瘤整块切除术(ERBT)在T1 期膀胱癌病理亚分期中的意义。

方法

回顾性分析2017 年1 月至2019 年1 月在我科由同一术者行ERBT 和传统经尿道膀胱肿瘤电切(cTURBT)手术的T1 期膀胱癌患者的临床资料,所有患者均为T1 期、初发肿瘤,肿瘤直径≤3.5 cm(若为多发肿瘤,肿瘤直径之和≤3.5 cm),肿瘤数量≤3 个。收集术后病理标本HE 染色片,对标本进行T1-微浸润和T1-广泛浸润(T1m/e)亚分期,随访术后肿瘤复发情况。

结果

共纳入120 例T1 期膀胱癌患者,其中ERBT 组52 例,cTURBT 组68 例。两组患者在性别、年龄、肿瘤大小及数目方面差异均无统计学意义。ERBT 组和cTURBT 组的平均随访时间分别为(22±11)个月和(21±12)个月。Kaplan-Meier 生存曲线分析发现,两组患者无肿瘤复发生存时间(RFS)差异无统计学意义(P>0.05),但在肌层检出率和T1m/e 亚分期的成功率方面,ERBT 组均有明显优势(P<0.05)。对ERBT 组患者进行T1m/e 亚分期后比较,T1m 患者与T1e 患者的RFS 存在差异,且差异有统计学意义(P=0.039)。

结论

ERBT 与cTURBT 相比,在术后标本的质量、亚分期的诊断方面具有更好的表现。T1m/e 亚分期系统在评估T1 期膀胱癌的预后中存在一定优势和应用价值。

Objective

To investigate the significance of en-bloc resection of bladder tumor(ERBT) in the pathological sub-staging of T1 stage bladder cancer.

Methods

Data of T1 stage bladder cancer (BC) patients who underwent ERBT or conventional transurethral resection of bladder tumor (cTURBT) done by a same surgeon from January 2017 to January 2019 were collected to make retrospective analysis.All patients were T1 stage, diagnosed as primary BC with no more than 3 tumors and no more than 3.5 cm in diameter.Tumor sections stained by hematoxylin-eosin (HE) were collected and the T1m/e sub-staging diagnosis was performed, and postoperative tumor recurrence was followed up.

Results

A total of 120 cases were enrolled, in which 52 cases treated with ERBT and 68 cases with cTURBT.There was no significant difference in gender, mean age, tumor size and number between the two groups.The average follow-up time for the ERBT group and cTURBT group was (22±11) months and (21±12)months, respectively.Kaplan-Meier survival curve found no significant difference in RFS between ERBT and cTURBT group (P>0.05), but the ERBT group had significant advantages in muscle layer detection rate and T1m/e sub-staging success rate (P<0.05).There was a statistically significant difference in RFS between T1m patients and T1e patients after comparing the T1m/e sub-staging of patients in the ERBT group(P=0.039).

Conclusions

ERBT takes smore advantages in providing high quality pathological samples and improving sub-staging accuracy.T1m/e sub-staging system has certain advantages and application value in evaluating the prognosis of T1 stage bladder cancer.

表1 两组膀胱癌患者一般资料及肿瘤学特征
图1 两组膀胱癌患者病理切片质量比较(HE 染色) 注:a 为传统cTURBT 病理切片(整体观);b 为ERBT 术后病理切片(整体观);c 为传统TURBT 术后病理切片(×40);d 为ERBT 术后pT1e期病理切片(×40)
表2 两组膀胱癌患者病理标本质量比较
表3 52 例患者行不同能量平台膀胱肿瘤整块切除的标本质量比较
图2 两组膀胱癌患者Kaplan-Meier 生存曲线 注:a 为总体纳入人群不同手术方式患者RFS;b 为总体纳入人群中不同pT1m/e 亚分期患者RFS;c 为cTURBT 组不同pT1m/e 亚分期患者RFS;d 为ERBT 组不同pT1m/e 亚分期患者RFS;RFS 为无复发生存时间
表4 两组膀胱癌患者病理亚分期及预后比较
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