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中华医学超声杂志(电子版) ›› 2023, Vol. 20 ›› Issue (01) : 35 -40. doi: 10.3877/cma.j.issn.1672-6448.2023.01.006

妇产科超声影像学

肿瘤体积倍增时间在鉴别子宫肉瘤与富于细胞型平滑肌瘤中的作用
郑妩妩1, 朱剑1, 鲁爱慧1, 陈丽霞1,()   
  1. 1. 325016 浙江温州,温州医科大学附属第一医院超声科
  • 收稿日期:2021-07-16 出版日期:2023-01-01
  • 通信作者: 陈丽霞
  • 基金资助:
    基于超声影像组学技术的子宫肉瘤预测模型研究(Y20220453)

Role of volume doubling time in differentiating uterine sarcoma and cellular leiomyoma

Wuwu Zheng1, Jian Zhu1, Aihui Lu1, Lixia Chen1,()   

  1. 1. Department of Ultrasound, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325016, China
  • Received:2021-07-16 Published:2023-01-01
  • Corresponding author: Lixia Chen
引用本文:

郑妩妩, 朱剑, 鲁爱慧, 陈丽霞. 肿瘤体积倍增时间在鉴别子宫肉瘤与富于细胞型平滑肌瘤中的作用[J]. 中华医学超声杂志(电子版), 2023, 20(01): 35-40.

Wuwu Zheng, Jian Zhu, Aihui Lu, Lixia Chen. Role of volume doubling time in differentiating uterine sarcoma and cellular leiomyoma[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2023, 20(01): 35-40.

目的

探讨肿瘤体积倍增时间(VDT)在子宫肉瘤与子宫富于细胞型平滑肌瘤(CL)之间的鉴别作用。

方法

回顾2000年1月1日至2021年5月31日于温州医科大学附属第一医院经手术病理确诊的42例子宫肉瘤(肉瘤组)及117例子宫CL(CL组)的超声声像图及临床资料。记录患者的手术年龄、病灶数目、既往肌瘤剔除史、超声检查次数、历次检查日期、绝经状态、病灶三径、术前超声诊断。计算平均体积倍增时间(aVDT)、最小体积倍增时间(sVDT)。采用Mann-Whitney U检验比较aVDT、sVDT的组间差异;采用Wilcoxon符号秩和检验比较aVDT和sVDT的差异。采用受试者操作特征(ROC)曲线分析aVDT、sVDT在子宫肉瘤与CL鉴别中的诊断效能。

结果

159例子宫肿瘤的aVDT、sVDT分别为13.41(8.27,31.54)个月,9.30(5.34,22.19)个月,sVDT小于aVDT,差异具有统计学意义(Z=-7.575,P<0.001)。肉瘤组的aVDT、sVDT分别为8.49(3.81,21.39)个月、5.23(2.37,9.37)个月,CL组的aVDT、sVDT分别为15.24(9.44,32.70)个月、10.80(6.67,23.18)个月。子宫肉瘤组的aVDT、sVDT均小于CL组,差异均具有统计学意义(Z=-2.917、-4.259,P=0.004、<0.001)。鉴别子宫肉瘤与CL,aVDT、sVDT的ROC曲线下面积分别为0.652、0.722,最佳截断值分别为6.61个月(敏感度为47.6%、特异度为87.2%)、7.03个月(敏感度为66.7%、特异度为72.6%)。

结论

应用aVDT、sVDT可以为子宫肉瘤与CL的鉴别提供帮助,有助于临床制定合理的随访、治疗决策。

Objective

To investigate the role of volume doubling time (VDT) in differentiating uterine sarcoma and cellular leiomyoma.

Methods

Forty-two cases of uterine sarcoma and 117 cases of cellular leiomyoma (CL) confirmed by operative pathology at the First Affiliated Hospital of Wenzhou Medical University from January 1, 2000 to May 31, 2021 were reviewed. According to the pathological results, these 159 tumors were divided into two groups: sarcoma group and CL group. The age at surgery, number of lesions, previous history of myomectomy, number of ultrasound examinations, date of inspections, menopausal status, lesion size, and preoperative ultrasound diagnosis were recorded. The average VDT (aVDT) and the smallest VDT (sVDT) were calculated. Mann-Whitney U-test was used for comparisons of aVDT and sVDT between the sarcoma group and the CL group, and Wilcoxon signed-rank test was used for comparisons of aVDT and sVDT. Receiver operating characteristic (ROC) curve analysis was used to evaluate the diagnostic efficiency of aVDT and sVDT for the differentiation of uterine sarcoma and CL.

Results

The median aVDT and sVDT of the 159 lesions were 13.41 (8.27, 31.54) months and 9.30 (5.34, 22.19) months, respectively. The median sVDT was significantly smaller than the median aVDT (Z=-7.575, P<0.001). The median aVDT and sVDT of uterine sarcoma were 8.49 (3.81, 21.39) months and 5.23 (2.37, 9.37) months, respectively. The median aVDT and sVDT of CL were 15.24 (9.44, 32.70) months and 10.80 (6.67, 23.18) months, respectively. The median aVDT and sVDT of uterine sarcoma were significantly shorter than those of CL (Z=-2.917, -4.259, P=0.004, <0.001, respectively). The optimal cutoff values of aVDT and sVDT for differentiating uterine sarcoma from cellular leiomyom were 6.61 months (AUC=0.652; sensitivity, 47.6%; specificity, 87.2%) and 7.03 months (AUC=7.03; sensitivity, 66.7%; specificity, 72.6% ), respectively.

Conclusion

aVDT and sVDT are helpful in differentiating uterine sarcoma and CL, and can provide information for therapy strategy and follow-up.

表1 2组子宫肿块患者基本临床资料比较
表2 2组子宫肿块患者的术前超声诊断(例)
表3 2组子宫肿块患者的肿块生长情况[MQR)]
图1 患者女性,手术年龄为31岁,子宫后壁肿块,术后病理示富于细胞型平滑肌瘤。图a为2018年11月15日超声检查图像,示病灶大小为10.7 mm×8.7 mm×8.3 mm,体积为0.40 ml;图b为2019年8月20日超声检查图像,示病灶大小为11.3 mm×9.6 mm×12.9 mm,体积为0.73 ml;图c为2020年5月20日超声检查图像,示病灶大小为12.1 mm×10.1 mm×13.7 mm,体积为0.87 ml;图d为2021年2月20日超声检查图像,示病灶大小为17.2 mm×9.0 mm×15.8 mm,体积为1.27 ml。随访过程中,该病灶的平均体积倍增时间为16.60个月,最小体积倍增时间为10.82个月(箭头所示为子宫后壁肿块)
图2 患者女性(与图1为同一患者),子宫底壁肿块,术后病理示子宫内膜间质肉瘤。图a为2018年11月15日超声检查图像,示病灶大小为15.9 mm×9.4 mm×17.5 mm,体积为1.36 ml;图b为2019年8月20日超声检查图像,示病灶大小为32.0 mm×28.2 mm×27.7 mm,体积为13.00 ml;图c为2020年5月20日超声检查图像,示病灶大小为24.3 mm×24.2 mm×26.6 mm,体积为8.13 ml;图d为2021年2月20日超声检查图像,示病灶大小为45.7 mm×34.4 mm×44.3 mm,体积为36.20 ml。随访过程中,该病灶的平均体积倍增时间为5.83个月,最小体积倍增时间为2.85个月(箭头所示为子宫底壁肿块)
图3 平均体积倍增时间(aVDT)和最小体积倍增时间(sVDT)预测子宫肉瘤的受试者操作特征曲线
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