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早期新型冠状病毒肺炎的胸部薄层平扫CT表现特征

孙莹 李玲 刘晓燕 郝琪 张怡梦 李兴鹏 张妍 张明霞 郭佳 梁子懿 段永利 刘薇 傅岩 孙朋涛 吕亚萍 陈红梅 黄勇 江宏 石峰 段淑红 王仁贵

孙莹, 李玲, 刘晓燕, 等. 早期新型冠状病毒肺炎的胸部薄层平扫CT表现特征[J]. CT理论与应用研究, 2023, 32(1): 131-138. DOI: 10.15953/j.ctta.2023.006
引用本文: 孙莹, 李玲, 刘晓燕, 等. 早期新型冠状病毒肺炎的胸部薄层平扫CT表现特征[J]. CT理论与应用研究, 2023, 32(1): 131-138. DOI: 10.15953/j.ctta.2023.006
SUN Y, LI L, LIU X Y, et al. Imaging Features of Early COVID-19 on Chest Thin-slice Non-Enhanced CT[J]. CT Theory and Applications, 2023, 32(1): 131-138. DOI: 10.15953/j.ctta.2023.006. (in Chinese)
Citation: SUN Y, LI L, LIU X Y, et al. Imaging Features of Early COVID-19 on Chest Thin-slice Non-Enhanced CT[J]. CT Theory and Applications, 2023, 32(1): 131-138. DOI: 10.15953/j.ctta.2023.006. (in Chinese)

早期新型冠状病毒肺炎的胸部薄层平扫CT表现特征

doi: 10.15953/j.ctta.2023.006
详细信息
    作者简介:

    孙莹:女,首都医科大学附属北京世纪坛医院放射科主治医师,主要从事呼吸及循环影像诊断学,E-mail:sunying@bjsjth.cn

    段淑红:女,首都医科大学附属北京世纪坛医院感染科主任医师,主要从事感染性疾病临床工作,duanshuhong@bjsjth.cn

    王仁贵:男,医学博士,首都医科大学附属北京世纪坛医院放射中心主任、主任医师、教授、博士生导师,主要从事淋巴影像学、呼吸肿瘤和肺部弥漫性疾病的影像学研究,E-mail:wangrg@bjsjth.cn

    通讯作者:

    王仁贵*,

  • 中图分类号: R  814

Imaging Features of Early COVID-19 on Chest Thin-slice Non-Enhanced CT

More Information
    Corresponding author: 段淑红,
  • 摘要: 目的:探讨早期新型冠状病毒肺炎(COVID-19)的胸部薄层平扫CT表现特征。材料与方法:收集2022年11月至12月我院感染科确诊COVID-19且胸部CT表现阳性的患者153例,所有患者自发病后1~14天行胸部薄层平扫CT检查和有较完整的临床资料。根据患者年龄(≤60岁和>60岁)和发病与CT检查的时间间隔(≤7天和>7天)将患者各分为两组,比较两组患者的CT表现特征的差异性。结果:153例COVID-19患者中,累及肺部(100%)、血管(93.5%)、气道(73.4%)和胸膜(70.1%),其中年龄组间的对比显示病变数量、部位、大小、容积和束带影的差异有统计学意义;发病与CT检查时间间隔分组患者之间,病变的形态、密度、机化和纤维化以及胸膜受累等差异有统计学意义。结论:胸部薄层平扫CT可明确早期COVID-19的病变位置和范围,对COVID-19的定性诊断和鉴别有一定的特征,即以形态的多样化、胸膜内和血管周分布、肺泡为单元的间质性病变、早期混合性磨玻璃影常伴明显的机化和纤维化、胸膜局限性增厚而胸水极少等有助于COVID-19的诊断和鉴别。

     

  • 图  1  COVID-19肺内病变的CT形态表型

    Figure  1.  CT morphological phenotype of COVID-19 pulmonary lesions

    图  2  COVID-19病变的CT密度表型

    Figure  2.  CT density phenotype of COVID-19 lesions

    图  3  COVID-19病变的相关特殊征象

    Figure  3.  Special signs related to COVID-19 lesions

    表  1  不同年龄和CT检查时间患者CT显示病灶数量、部位和病变体积百分比等情况

    Table  1.   Number and location of lesions and percentage of lesion volume revealed by CT in patients of different ages and CT examination times

    分布特征年齡统计检验CT检查时间统计检验
    ≤60岁(n=48)
    例(%)
    >60岁
    n=105)
    例(%)
    χ2P≤7天
    n=104)
    例(%)
    >7天
    n=49)
    例(%)
    χ2P
     病变数量
      单发 5(10.4) 1(0.95)0.0124(3.9)2(4.1)1.000
      多发43(89.6)104(99.1) 0.012100(96.2) 47(95.9)0.0050.944
     累及部位
      单叶14(29.1)3(2.8)23.0870.00011(10.6) 6(12.2)0.0940.759
      单肺1(2.1)6(5.8)0.4343(2.9)4(8.2)0.211
      双肺33(68.8)96(91.4)12.8100.00090(86.5)39(79.6)1.2150.270
     病变百分比
      ≦1037(77.1)45(42.9)15.5160.00059(56.7)24(49) 0.8060.369
      ≦30 6(12.5)22(21) 1.5740.21020(19.2) 8(16.3)0.1880.665
      ≦502(4.2)23(21.9) 7.5820.00615(14.4)10(20.4)0.8730.350
      >503(6.3)15(14.3) 2.0490.15212(11.5) 7(14.3)0.6310.231
    下载: 导出CSV

    表  2  不同年龄和CT检查时间患者组病灶各类征象占比情况

    Table  2.   Percentage of various types of signs of lesions in the patient group by age and time of CT examination

    影像学征象年齡统计检验CT检查时间统计检验
    ≤60岁(n=48)
    例(%)
    >60岁(n=105)
    例(%)
    χ2P≤7天
    n=104)
    例(%)
    >7天(n=49)
    例(%)
    χ2P
     病变分布
      胸膜下27(56.3)83(79.0)8.4730.00478(75.0)32(65.3)1.5490.213
      胸膜内41(85.4)99(94.3)2.2900.13096(92.3)44(89.8)0.0440.834
      血管周38(79.2)90(85.7)1.0330.03987(83.7)41(83.7)0.0000.998
      混合性33(68.7)89(84.8)5.2270.02283(79.8)39(79.6)0.0010.975
      对称性22(45.8)58(55.2)25.734 0.00056(53.8)24(49.0)0.3160.574
      非叶段性42(87.5)93(88.6)0.0360.84989(85.6)43(87.8)0.1330.715
     病变大小
      ≦10 mm42(87.5)46(43.8)25.734 0.00086(82.7)40(81.6)0.0260.873
      10~30 mm36(75.0)22(21.0)40.881 0.00089(85.6)39(79.6)0.8730.350
      >30 mm20(41.7)16(15.2)12.787 0.00069(66.3)29(59.2)0.7420.389
      混合38(79.2)84(80.0)0.0140.90586(82.7)36(73.5)1.7540.185
     病变形态
      小结节40(83.3)84(80.0)0.2380.62585(81.7)39(79.6)0.0990.753
      斑片状38(79.2)89(84.8)0.7310.39389(85.6)38(77.6)1.5210.217
      大片状16(33.3)68(64.8)13.141 0.00059(56.7)25(51.0)0.4390.508
      束带状 6(12.5)50(47.6)17.508 0.00038(36.5)18(36.7)0.0010.981
      混合性39(81.3)98(93.3)5.1360.02394(90.4)44(89.8)0.0001.000
     病变密度/例
      GGO41(85.4)99(94.3)2.2900.13096(92.3)44(89.8)0.0440.834
      实变25(52.1)45(42.9)1.1300.28833(31.7)35(75.5)21.258 0.000
      网格影31(64.6)91(86.7)9.9430.00277(74.0)45(91.8)6.5310.011
      蜂窝影1(2.1)10(9.5) 1.7320.1883(2.9)8(16.3)7.1170.008
     病变边缘/例
      模糊32(66.7)51(48.6)4.3460.03756(53.8)27(55.1)0.0210.884
      不规则26(54.2)47(44.8)1.1680.28053(50) 29(59.2)0.9050.341
      毛刺10(20.8)21(20.0)0.0140.90519(18.3)12(24.5)0.7980.372
     伴随病变/例
      机化灶29(60.4)59(56.2)0.2410.62456(53.8)32(65.3)1.7900.181
      间质纤维化27(56.3)72(68.6)2.1900.13958(55.8)41(83.7)11.356 0.001
      气道异常39(81.3)74(70.5)1.9800.15977(74.0)36(73.5)0.0060.940
      血管增粗45(93.8)99(94.3)0.0001.00099(95.2)45(91.8)0.2070.649
      胸膜增厚24(50.0)84(80.0)14.280 0.00070(67.3)38(77.6)1.6830.194
      胸水形成1(2.1)4(3.8)1.0003(2.9)2(4.1)0.656
    下载: 导出CSV
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  • 收稿日期:  2023-01-11
  • 修回日期:  2023-01-16
  • 录用日期:  2023-01-17
  • 网络出版日期:  2023-01-18
  • 刊出日期:  2023-01-31

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