肺动脉CTA联合腹盆部增强CT的一站式能谱扫描在妇科肿瘤患者术前评估中的价值
R737.3; 目的 探讨肺动脉CT血管成像(computer tomography pulmonary angiography,CTPA)联合腹盆部增强CT的一站式能谱扫描在妇科肿瘤患者术前评估中的价值.方法 回顾性收集 2022 年 1 月至 2023 年 12 月在复旦大学附属中山医院厦门医院放射科行CTPA和腹盆部增强CT能谱检查的 96 例妇科肿瘤患者的临床资料,根据扫描方式分为传统扫描组(n=48,接受 2 次对比剂注射完成 2 种扫描)和一站式扫描组(n=48,接受 1 次对比剂注射完成 2 种扫描).所有患者均生成CTPA 65 keV图像、腹盆部增强 50 keV图像、CTP...
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| Published in | 中国临床医学 Vol. 31; no. 5; pp. 795 - 803 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
复旦大学附属中山医院放射科,上海 200032
01.10.2024
复旦大学附属中山医院厦门医院放射科,厦门 361015%复旦大学附属中山医院厦门医院放射科,厦门 361015 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1008-6358 |
| DOI | 10.12025/j.issn.1008-6358.2024.20240615 |
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| Abstract | R737.3; 目的 探讨肺动脉CT血管成像(computer tomography pulmonary angiography,CTPA)联合腹盆部增强CT的一站式能谱扫描在妇科肿瘤患者术前评估中的价值.方法 回顾性收集 2022 年 1 月至 2023 年 12 月在复旦大学附属中山医院厦门医院放射科行CTPA和腹盆部增强CT能谱检查的 96 例妇科肿瘤患者的临床资料,根据扫描方式分为传统扫描组(n=48,接受 2 次对比剂注射完成 2 种扫描)和一站式扫描组(n=48,接受 1 次对比剂注射完成 2 种扫描).所有患者均生成CTPA 65 keV图像、腹盆部增强 50 keV图像、CTPA与腹盆部增强碘图和有效原子序数图.比较两组患者的扫描对比剂用量、扫描时长等扫描参数,图像的客观参数(CT值、碘浓度、有效原子序数值等),以及整体图像质量评分、CTPA诊断信心评分、腹盆部增强病灶显示能力评分.结果 共发现肺动脉栓塞 24 例(24/96,25%).与传统扫描组相比,一站式扫描组对比剂用量显著减少[(62.88±3.59)mL vs(98.52±2.63)mL,P＜0.001],扫描时长显著缩短[(95.94±0.38)s vs(108.91±0.35)s,P＜0.001];两组剂量长度乘积(dose-length product,DLP)、体积CT剂量指数、有效剂量(effective dose,ED)差异均无统计学意义.两组患者CTPA图像、腹盆部CT平扫和增强图像的客观参数和主观图像评分差异均无统计学意义;所有图像评分≥3 分,均满足诊断要求.两组肺动脉栓塞诊断信心评分及肿瘤病灶的显示能力评分差异亦无统计学意义.结论 在妇科肿瘤患者的术前扫描中,联合能谱扫描在更少的对比剂用量、更短的扫描时间和等待时间下,图像质量、肺栓塞诊断信心和肿瘤病灶显示能力与传统扫描相当,具有较高价值. |
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| AbstractList | R737.3; 目的 探讨肺动脉CT血管成像(computer tomography pulmonary angiography,CTPA)联合腹盆部增强CT的一站式能谱扫描在妇科肿瘤患者术前评估中的价值.方法 回顾性收集 2022 年 1 月至 2023 年 12 月在复旦大学附属中山医院厦门医院放射科行CTPA和腹盆部增强CT能谱检查的 96 例妇科肿瘤患者的临床资料,根据扫描方式分为传统扫描组(n=48,接受 2 次对比剂注射完成 2 种扫描)和一站式扫描组(n=48,接受 1 次对比剂注射完成 2 种扫描).所有患者均生成CTPA 65 keV图像、腹盆部增强 50 keV图像、CTPA与腹盆部增强碘图和有效原子序数图.比较两组患者的扫描对比剂用量、扫描时长等扫描参数,图像的客观参数(CT值、碘浓度、有效原子序数值等),以及整体图像质量评分、CTPA诊断信心评分、腹盆部增强病灶显示能力评分.结果 共发现肺动脉栓塞 24 例(24/96,25%).与传统扫描组相比,一站式扫描组对比剂用量显著减少[(62.88±3.59)mL vs(98.52±2.63)mL,P＜0.001],扫描时长显著缩短[(95.94±0.38)s vs(108.91±0.35)s,P＜0.001];两组剂量长度乘积(dose-length product,DLP)、体积CT剂量指数、有效剂量(effective dose,ED)差异均无统计学意义.两组患者CTPA图像、腹盆部CT平扫和增强图像的客观参数和主观图像评分差异均无统计学意义;所有图像评分≥3 分,均满足诊断要求.两组肺动脉栓塞诊断信心评分及肿瘤病灶的显示能力评分差异亦无统计学意义.结论 在妇科肿瘤患者的术前扫描中,联合能谱扫描在更少的对比剂用量、更短的扫描时间和等待时间下,图像质量、肺栓塞诊断信心和肿瘤病灶显示能力与传统扫描相当,具有较高价值. |
| Abstract_FL | Objective To explore the value of one-stop spectral CT scanning of computer tomography pulmonary angiography(CTPA)combined with abdominal-pelvic enhancement in preoperative evaluation for patients with gynecological tumors.Methods Ninety-six patients with gynecological tumors who received both spectral CTPA and abdominal-pelvic enhanced CT examination at Zhongshan Hospital(Xiamen Branch),Fudan University,between January 2022 and December 2023 were collected.The conventional scanning group(n=48)received two independent spectral CT scans with twice contrast injections,while the one-stop scanning group(n=48)received one-stop spectral CTPA and abdominal-pelvic enhancement with once contrast injection.Virtual monochromatic images(VMIs)at 65 keV for CTPA,50 keV VMIs for abdominal-pelvic enhancement,contrast-enhanced iodine maps and effective atomic number images for the two parts were generated for all patients.The scanning parameters such as contrast agent dose,scanning duration,objective parameters of the images(CT values,iodine concentration,effective atomic number,etc.),as well as overall image quality score,the confidence score in diagnosing pulmonary embolization(PE),and the conspicuity of gynecological tumors were compared between the two groups.Results A total of 24 cases(25% )of PE were found in 96 patients.Compared with the conventional scanning group,the one-stop scanning group showed a significant reduction in contrast agent dosage([62.88±3.59]mL vs[98.52±2.63]mL,P＜0.001)and scan duration([95.94±0.38]s vs[108.91±0.35]s,P＜0.001).There was no statistically significant difference in dose length product(DLP),volume CT dose index,and effective dose(ED)between the two groups.There was no statistically significant difference in objective parameters and subjective image scores between the two groups of patients'CTPA images,abdominal and pelvic CT plain scans,and enhanced images.All image scores were≥3 points,meeting the diagnostic requirements.There was no statistically significant difference of confidence score in diagnosing PE and the ability to display tumor lesions between the two groups.Conclusions In comparison to conventional scanning,one-stop spectral scanning provides comparable image quality,confidence in diagnosing PE,and the conspicuity of gynecological tumors under a lower contrast agent dosage,a shorter scanning time,and a less patient waiting time in the preoperative evaluation for patients with gynecologic tumors,which is highly valuable. |
| Author | 朱柳红 裴锦奎 刘豪 周建军 张进慧 |
| AuthorAffiliation | 复旦大学附属中山医院厦门医院放射科,厦门 361015%复旦大学附属中山医院厦门医院放射科,厦门 361015;复旦大学附属中山医院放射科,上海 200032 |
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| Author_FL | PEI Jinkui ZHOU Jianjun ZHU Liuhong ZHANG Jinhui LIU Hao |
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| Keywords | 妇科肿瘤 肺栓塞 one-stop scanning 一站式扫描 对比剂用量 contrast agent dosage spectral imaging pulmonary embolism gynecological tumor 能谱成像 |
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