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中华消化病与影像杂志(电子版) ›› 2022, Vol. 12 ›› Issue (02) : 94 -97. doi: 10.3877/cma.j.issn.2095-2015.2022.02.006

论著

多层螺旋CT薄层靶成像技术鉴别诊断肺部磨玻璃结节的价值
杨宇宁1,(), 宁域1   
  1. 1. 075400 河北张家口,怀来县中医医院CT室
  • 收稿日期:2021-09-08 出版日期:2022-04-01
  • 通信作者: 杨宇宁

Value of multislice spiral CT thin-layer target imaging in differential diagnosis of pulmonary ground glass nodules

Yuning Yang1,(), Yu Ning1   

  1. 1. CT Room, Huailai Traditional Chinese Medicine Hospital, Heibei Province, Zhangjiakou 075400, China
  • Received:2021-09-08 Published:2022-04-01
  • Corresponding author: Yuning Yang
引用本文:

杨宇宁, 宁域. 多层螺旋CT薄层靶成像技术鉴别诊断肺部磨玻璃结节的价值[J]. 中华消化病与影像杂志(电子版), 2022, 12(02): 94-97.

Yuning Yang, Yu Ning. Value of multislice spiral CT thin-layer target imaging in differential diagnosis of pulmonary ground glass nodules[J]. Chinese Journal of Digestion and Medical Imageology(Electronic Edition), 2022, 12(02): 94-97.

目的

探讨多层螺旋CT薄层靶成像技术诊断肺部磨玻璃结节(GGN)的价值。

方法

回顾性分析2018年1月至2021年7月于怀来县中医医院行64排螺旋CT检查发现并经病理证实的GGN患者76例。其中良性GGN32例,恶性GGN44例。所有患者均行5 mm层厚常规螺旋CT扫描和1 mm薄层螺旋CT靶成像重建。比较良、恶性GGN影像学特征及形态特征,以及64排螺旋CT不同层厚显示效果。

结果

良、恶性GGN的分叶征、空泡征、胸膜凹陷征、毛刺征及边缘欠清晰等差异均有统计学意义(P<0.05);良、恶性GGN的形态不规则、形态规则呈圆或椭圆形、斑片状及多结节融合等差异均有统计学意义(P<0.05)。5 mm层厚常规螺旋CT扫描与1 mm薄层螺旋CT靶成像重建对GGN分叶征、空泡征、胸膜凹陷征、边缘欠清晰、毛刺征的检出率差异均有统计学意义(P<0.05)。1 mm薄层靶成像技术呈现的影像学特征明显优于5 mm层厚常规CT扫描。

结论

64排螺旋CT薄层靶成像技术的应用对良、恶性GGN的鉴别诊断具有较高的临床应用价值,能明显提高早期肺癌的检出率,为临床诊疗提供参考。

Objective

To investigate the value of thin slice CT imaging in the diagnosis of pulmonary ground glass nodules (GGN).

Methods

A total of 76 patients with GGN detected by 64-slice spiral CT examination and confirmed by pathology in Huailai Hospital of Traditional Chinese Medicine from January 2018 to July 2021 were retrospectively analyzed. There were 32 cases of benign GGN and 44 cases of malignant GGN. All patients received 5 mm slice thickness conventional spiral CT scan and 1 mm thin slice spiral CT target imaging reconstruction. The imaging and morphological characteristics of benign and malignant GGN were compared, as well as the display effect of different slice thickness of 64-slice spiral CT.

Results

There were statistically significant differences between benign and malignant GGN in lobulation sign, vacuole sign, pleural depression sign, burr sign and unclear margin (P<0.05). There were statistically significant differences between benign and malignant GGN in irregular shape, round or oval shape, patchy shape and polynodular fusion (P<0.05). Conventional spiral CT scan with 5 mm slice thickness and target imaging reconstruction with 1 mm slice spiral CT had statistically significant differences in the detection rates of GGN lobulation sign, vacuole sign, pleural depression sign, unclear edge and burr sign (P<0.05). The imaging features of 1 mm thin-slice target imaging were significantly better than conventional CT scanning with 5 mm slice thickness.

Conclusion

The application of 64-slice spiral CT thin-layer target imaging technology has high clinical application value in the differential diagnosis of benign and malignant GGN, and can significantly improve the detection rate of early lung cancer, providing reference for clinical diagnosis and treatment.

表1 良、恶性GGN影像学特征比较(例)
表2 良、恶性GGN形态特征比较(例)
表3 64排螺旋CT不同层厚显示效果比较(例)
图1 癌前病变,含有小空泡、小分叶及血管集束征
图2 单纯肺部磨玻璃样结节,边缘光滑。治疗3个月余后复查,原病灶消失
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