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中华医学超声杂志(电子版) ›› 2020, Vol. 17 ›› Issue (10) : 999 -1005. doi: 10.3877/cma.j.issn.1672-6448.2020.10.012

所属专题: 文献

浅表器官超声影像学

不同病理亚型乳头状肾细胞癌的常规超声及超声造影特征分析
张晴1, 魏淑萍2, 钱晓芹1,()   
  1. 1. 212000 镇江,江苏大学附属人民医院超声科
    2. 210002 南京,东部战区总医院超声科
  • 收稿日期:2020-02-10 出版日期:2020-10-01
  • 通信作者: 钱晓芹

Conventional ultrasound and contrast-enhanced ultrasound characteristics of different subtypes of papillary renal cell carcinoma

Qing Zhang1, Shuping Wei2, Xiaoqin Qian1,()   

  1. 1. Department of Ultrasound, the People's Hospital Affiliated to Jiangsu University, Zhenjiang 212000, China
    2. Department of Ultrasound, Eastern Theater General Hospital, Nanjing 210002, China
  • Received:2020-02-10 Published:2020-10-01
  • Corresponding author: Xiaoqin Qian
  • About author:
    Corresponding author: Qian Xiaoqin, Email:
引用本文:

张晴, 魏淑萍, 钱晓芹. 不同病理亚型乳头状肾细胞癌的常规超声及超声造影特征分析[J]. 中华医学超声杂志(电子版), 2020, 17(10): 999-1005.

Qing Zhang, Shuping Wei, Xiaoqin Qian. Conventional ultrasound and contrast-enhanced ultrasound characteristics of different subtypes of papillary renal cell carcinoma[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2020, 17(10): 999-1005.

目的

比较分析乳头状肾细胞癌(PRCC)2种亚型的常规超声及超声造影表现。

方法

回顾性收集2014年11月至2018年2月在东部战区总医院(原南京军区总医院)手术并经病理证实为PRCC的患者27例。依据术后病理结果,将其分为Ⅰ型16例,Ⅱ型11例。所有病例术前均行常规超声及超声造影检查。比较Ⅰ、Ⅱ型PRCC之间的常规超声及超声造影表现特征。

结果

PRCC Ⅰ型和Ⅱ型2组出现典型临床表现的患者比例差异有统计学意义(P=0.022)。常规超声及超声造影后测量的肿块最大径比较,Ⅱ型均大于Ⅰ型,差异均有统计学意义(常规超声:t=-29.31,P=0.000;超声造影后:t=-32.17,P=0.000)。Ⅱ型的肿块边界多不清晰,与Ⅰ型比较差异有统计学意义(P=0.002);Ⅱ型肿块形态多不规则,与Ⅰ型比较差异有统计学意义(P=0.002);在生长方式、强化均匀性以及肿瘤周围组织的强化方面,Ⅱ型与Ⅰ型PRCC之间差异均有统计学意义(P=0.015、0.040、0.000)。而在肿块位置、回声、血流情况、灌注模式、强化程度方面,2组间差异均无统计学意义(P均>0.05)。

结论

PRCC 2种亚型的常规超声及超声造影特征存在差异,常规超声结合超声造影可为鉴别2种亚型提供影像学依据,从而为手术方案的选择及预后评估提供帮助。

Objective

To compare and analyze the conventional ultrasound and contrast-enhanced ultrasound manifestations of two subtypes of papillary renal cell carcinoma (PRCC).

Methods

A total of 27 patients who underwent surgery at the Eastern Theater General Hospital were histologically proved with PRCC from November 2014 to February 2018. According to the postoperative pathological results, the patients were divided into 16 cases with type I PRCC and 11 cases with type II. Conventional ultrasound and contrast-enhanced ultrasound examinations were performed in all cases before surgery. The conventional ultrasound and contrast-enhanced ultrasound characteristics were compared between type I and type II PRCC.

Results

There was a statistically significant difference in the proportion of patients with typical clinical manifestations between type I and type II PRCC groups (P=0.022). The maximum diameter of type II PRCC was significantly larger than that of type I (conventional ultrasound: t=-29.31, P=0.000; contrast-enhanced ultrasound: t=-32.17, P=0.000). The boundary of type II PRCC was less clear than that of type I (P=0.002), and the shape was more irregular than that of type I (P=0.002). The growth pattern, enhancement uniformity, and enhancement of the surrounding tissues of the tumor differed significantly between type II and type I PRCC (P=0.015, 0.040, and 0.000, respectively), although there were no statistically significant differences between the two groups in terms of the location, echo, blood flow, perfusion mode, and degree of enhancement of the mass (P>0.05).

Conclusion

There are differences in conventional ultrasound and contrast-enhanced ultrasound characteristics between the two subtypes of PRCC. The combination of conventional ultrasound and contrast-enhanced ultrasound can provide imaging evidence for the identification of the two subtypes, which can help in the selection of surgical procedure and prognostic evaluation.

图1 患者,女,55岁,乳头状肾细胞癌Ⅰ型常规超声及超声造影图像。图a为常规超声示右肾上极见一等-稍高回声团,边界尚清,形态规则;图b为彩色多普勒血流显像示肿块周边及内部未见明显血流信号;图c为超声造影皮质期示肿块晚于正常肾皮质显影;图d为超声造影示肿块与正常肾皮质相比,呈低增强,强化尚均匀;图e为超声造影延迟期示肿块早于正常肾皮质消退
图2 患者,男,50岁,乳头状肾细胞癌II型常规超声及超声造影图像。图a为常规超声示右肾上极见一低回声团,边界不清,形态规则,略向肾外凸出;图b为彩色多普勒血流显像示肿块周边及内部可见少许血流信号;图c为超声造影皮质期示肿块晚于肾皮质显影;图d为超声造影示肿块与肾皮质相比,呈低增强,强化不均匀,其内可见充盈缺损区;图e为超声造影延迟期示肿块早于正常肾皮质消退
图3 患者,男,47岁,乳头状肾细胞癌Ⅱ型常规超声及超声造影图像。图a为常规二维超声图像示左肾见一低回声团,最大径约75 mm;图b示超声造影后,该团块最大径约78 mm,造影后大小较二维超声明显增大
图4 患者,男,50岁,乳头状肾细胞癌Ⅰ型常规超声及超声造影图像。图a为常规二维超声示左肾下极见一低回声团,最大径约34 mm;图b示超声造影后,该团块最大径35 mm,造影后大小较二维超声未见明显变化
表1 Ⅰ型与Ⅱ型PRCC患者的临床资料比较
表2 Ⅰ型与Ⅱ型PRCC的常规超声特征比较
表3 Ⅰ型与Ⅱ型PRCC的超声造影特征比较
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