[1]曹 宇,何其顺,郭雅雯,等.延时扫描对肝硬化患者肝脏增强CT检查中动脉期时相的影响[J].医学信息,2020,33(01):161-164.[doi:10.3969/j.issn.1006-1959.2020.01.053]
　CAO Yu,HE Qi-shun,GUO Ya-wen,et al.Effect of Delayed Scanning on the Phase of the Middle Arterial Phase of Liver Enhanced CT in Patients with Cirrhosis[J].Medical Information,2020,33(01):161-164.[doi:10.3969/j.issn.1006-1959.2020.01.053]
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延时扫描对肝硬化患者肝脏增强CT检查中动脉期时相的影响()
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医学信息[ISSN:1006-1959/CN:61-1278/R]

卷:
33卷
期数:
2020年01期
页码:
161-164
栏目:
诊疗技术
出版日期:
2020-01-01

文章信息/Info

Title:
Effect of Delayed Scanning on the Phase of the Middle Arterial Phase of Liver Enhanced CT in Patients with Cirrhosis
文章编号:
1006-1959（2020）01-0161-04
作者:
曹 宇; 何其顺; 郭雅雯; 王新宇; 姚升娟; 张 晨
（天津市第二人民医院放射科，天津 300070）
Author(s):
CAO Yu; HE Qi-shun; GUO Ya-wen; WANG Xin-yu; YAO Sheng-juan; ZHANG Chen
(Department of Radiology,Tianjin Second People’s Hospital,Tianjin 300070,China)
关键词:
延时扫描; 肝硬化; 增强CT; 动脉期
Keywords:
Delayed scan; Cirrhosis; Enhanced CT; Arterial phase
分类号:
R81
DOI:
10.3969/j.issn.1006-1959.2020.01.053
文献标志码:
A
摘要:
目的 探讨延时扫描对肝硬化患者肝脏增强CT检查中动脉期时相的影响。方法 选取2018年5月~2019年5月我院确诊为肝硬化且疑有门脉高压征象患者200例，按照随机数字表法分为5组，A组延时5 s、B组延时12 s、C组延时14 s、D组延时16 s、E组延时18 s，每组40例。均使用自动追踪触发扫描技术，选取膈顶上2 cm水平的降主动脉为监测点，门静脉期均于动脉期结束后48 s进行扫描，比较五组动脉期图像和门脉期图像评分、动脉期（肝固有动脉、肝实质、门静脉主干）和门静脉期（肝实质）强化CT值。结果 B、C、D、E组动脉期图像和门脉期图像评分高于A组，差异有统计学意义（P＜0.05）；B、C、D、E组动脉期图像和门脉期图像评分比较，差异无统计学意义（P＞0.05）。B、C、D、E组动脉期中肝固有动脉、肝实质、门静脉主干CT值高于A组，差异有统计学意义（P＜0.05）；五组动脉期中肝固有动脉、肝实质、门静脉主干及门静脉期中肝实质CT值比较，差异无统计学意义（P＞0.05）。结论 肝硬化患者腹部增强CT扫描中，利用自动追踪触发扫描技术，触发阈值达到120 HU后，延时12~18 s进行扫描，可获得满意且更利于诊断的动脉期图像。
Abstract:
Objective To investigate the effect of delayed scanning on the phase of the middle arterial phase of liver enhanced CT in patients with cirrhosis. Methods 200 patients with cirrhosis and suspected portal hypertension were diagnosed in our hospital from May 2018 to May 2019. They were divided into five groups according to the random number table method, with a delay of 5 s in group A and a delay of 12 s in group B,group C delayed 14 s, group D delayed 16 s, group E delayed 18 s, 40 cases in each group. All used auto-tracking triggered scanning technology, and the descending aorta 2 cm above the diaphragm was selected as the monitoring point. The portal vein phase was scanned 48 s after the end of the arterial phase. The five groups of arterial images were compared with the portal phase image scores and arteries. Enhanced CT values during the period (propria hepatic artery, hepatic parenchyma, portal vein) and portal vein (hepatic parenchyma). Results The scores of arterial and portal vein images in groups B, C, D, and E were higher than those in group A,the differences were statistically significant (P<0.05);There was no significant difference in the scores of arterial phase and portal phase images in groups B, C, D, and E (P>0.05). CT values of the hepatic arteries, hepatic parenchyma, and portal vein trunk in the arterial phase of groups B, C, D, and E were higher than those in group A,the differences were statistically significant (P<0.05); There were no significant differences in CT values of the hepatic artery, hepatic parenchyma, portal vein trunk, and hepatic parenchyma during the arterial phase between the five groups (P>0.05). Conclusion In the enhanced CT scan of the abdomen of patients with liver cirrhosis, the automatic tracking trigger scan technique is used. After the trigger threshold reaches 120 HU, the scan is delayed for 12-18 s to obtain a satisfactory and more useful diagnosis of arterial phase images.

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更新日期/Last Update: 2020-01-01