Diagnostic value of two-phase PET-CT combined with enhanced CT for pneumonia type carcinoma of lung

Jian ZHAO; Wei ZHANG; Chenglin FAN; Wanhui MA; Yi ZHANG; Haitao LI

doi:10.16016/j.1000-5404.201801239

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Diagnostic value of two-phase PET-CT combined with enhanced CT for pneumonia type carcinoma of lung

Clinical Medicine | 更新时间：2026-01-09

- Diagnostic value of two-phase PET-CT combined with enhanced CT for pneumonia type carcinoma of lung
- Journal of Third Military Medical University Vol. 40, Issue 13, Pages: 1242-1246(2018)
- 作者机构：
  
  1.614000 四川乐山，武警四川省总队医院放射科
  2.400038 重庆，陆军军医大学(第三军医大学)第一附属医院放射科
- 作者简介：
- 基金信息：
- DOI：10.16016/j.1000-5404.201801239
  CLC： R730.42; R734.2; R814.42
- Received：16 January 2018，
  
  Revised：2018-04-02，
  
  Published：15 July 2018
- 稿件说明：
移动端阅览
Jian ZHAO, Wei ZHANG, Chenglin FAN, et al. Diagnostic value of two-phase PET-CT combined with enhanced CT for pneumonia type carcinoma of lung[J]. Journal of Third Military Medical University, 2018, 40(13): 1242-1246.
DOI：

Jian ZHAO, Wei ZHANG, Chenglin FAN, et al. Diagnostic value of two-phase PET-CT combined with enhanced CT for pneumonia type carcinoma of lung[J]. Journal of Third Military Medical University, 2018, 40(13): 1242-1246. DOI： 10.16016/j.1000-5404.201801239.

摘要

目的

探讨肺炎型肺癌的

F-FDG PET/CT表现特征，评价胸部增强CT联合双时相

F-FDG PET/CT显像对肺炎型肺癌的诊断价值。

方法

分析武警四川省总队医院放射科2013年1月至2017年6月收集的19例肺炎型肺癌患者的

F-FDG PET/CT及胸部增强CT临床资料[男性12例，女性7例，年龄30~79(58.8±13.2)岁，体质量43~82(57.3±11.4)kg

]

，比较采用CT增强检查、单时相PET/CT、单时相PET/CT联合增强CT、双时相PET/CT、双时相PET/CT联合增强CT对肺炎型肺癌的诊断效能。

结果

依据病理结果为金标准，CT增强组正确诊断5例(

26.3%)；单时相PET/CT正确诊断组12例(63.2%)；单时相PET/CT联合增强CT组正确诊断15例(78.9%)；双时相PET/CT正确诊断组14例(73.7%)；双时相PET/CT联合增强CT检查组正确诊断18例(94.7%)。经χ

检验，差异有统计学意义(χ

=22.697，

＜0.05)。采用Fisher确切概率法比较5组间的诊断正确率，结果显示仅有双时相PET/CT联合增强CT组与增强CT组差异存在统计学意义(

＜0.005)，即双时相PET/CT联合增强CT的诊断正确率高于增强CT组，其他组不能表现出差异。

结论

双时相

F-FDG PET/CT联合增强CT可以提高诊断肺炎型肺癌的正确率。

Abstract

Objective

To investigate the

F-FDG PET/CT imaging features of pneumonia type carcinoma of lung (PTCL)

and to assess the diagnostic value of two-phase

F-FDG PET/CT combined with enhanced CT for PTCL.

Methods

The findings of

F-FDG PET/CT and chest enhanced CT scanning of 19 PTCL cases admitted in our hospital from January 2013 to June 2017 were collected and analyzed in this study. Among the 19 PTCL patients

there were 12 males and 7 females

at a mean age of 58.8±13.2 (30~79) years

and a mean body weight of 57.3±11.4 (43~82)kg. The diagnostic efficacy of enhanced CT

one-phase PET/CT

one-phase PET/CT combined with the enhanced CT

two-phase PET/CT

and two-phase PET/CT combined with enhanced CT were compared.

Results

The pathological results were regarded as the gold standard. It was only 5 cases diagnosed correctly through enhanced CT

with a positive rate of 26.3%

only 12 cases (63.2%) by one-phase

F-FDG PET/CT

15 cases (78.9%) by one-phase PET/CT combined with enhanced CT

14 cases (73.7%) by two-phase

F-FDG PET/CT

and 18 cases (94.7%) by two-phase

F-FDG PET/CT combined with enhanced CT.

Chi

-square test showed statistical differences were observed in the diagnostic rate among the 5 methods (

Chi

-square=22.697

0.05). Then Fisher's exact probability test indicated that significant difference in diagn

ostic accuracy was only seen between two-phase PET/CT combined with enhanced CT and enhanced CT

with the former method having higher accuracy (

0.005).

Conclusion

Two-phase

F-FDG PET/CT combined with enhanced CT can improve the diagnostic accuracy for PTCL.

关键词

Keywords

references

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