基于双能CT肠道成像的斜率参数映射测量,以改善克罗恩病的诊断和炎症活动评估
Ziying Lin1, Min Hong2, Hua Zhong1
1Department of Radiology, Zhongshan Hospital Affiliated to Xiamen University, School of Medicine, Xiamen University, No.201-209 Hubinnan Road, Siming District, Xiamen, 361004, Fujian Province, China.
使用斜率参数图像 (SPI) 的双相双能CT肠道图 (DE-CTE) 有效地诊断克罗恩病 (CD) 并评估其活动. 动脉阶段SPI测量中肠脂肪显示CD检测和严重程度评估的最高诊断准确度.
科学领域:
- 放射学 放射学是一门学科.
- 胃肠病学 胃肠病学
- 医疗成像医学成像
背景情况:
- 克罗恩病 (CD) 的诊断和活动评估依赖于成像.
- 双能量CT肠道学 (DE-CTE) 提供了先进的成像功能.
- 斜率参数图像 (SPI) 是一种由DE-CTE衍生出来的新型定量分析工具.
研究的目的:
- 为了评估SPI的诊断和活动评估值,从克罗恩病的双相DE-CTE中获得.
- 在CD评估中,将SPI的疗效与传统CT值 (HU) 进行比较.
- 为了确定CD中SPI的最佳成像阶段和测量地点.
主要方法:
- 追溯分析76名CD患者和53名接受双相DE-CTE的对照.
- 虚拟单能图像 (40-100 keV) 和SPI (SPI40-100) 的生成.
- 在肠壁和中肠脂肪中CT值 (HU40-100keV) 和SPI斜率 (SP40-100) 的定量分析.
主要成果:
- 双相SP40-100和HU40-100在CD患者中明显高于对照组 (P<0.001).
- 介质脂肪的动脉阶段SP40-100显示了CD的最高诊断性能 (AUC=0.969).
- 在中度至重度的CD活性组中,SP40-100和HU40-100keV显著更高 (P<0.001),爬行脂肪的AP-SP40-100显示出最高的AUC (0.935).
结论:
- 来自双相DE-CTE的SPI对于诊断CD和评估炎症活动非常有价值.
- 介质脂肪的动脉阶段SP40-100为CD提供了最高的诊断效果.
- 定量SPI分析提供了一种可靠的方法来评估CD的严重程度和活性.
更多相关视频
07:05Fluorescence-mediated Tomography for the Detection and Quantification of Macrophage-related Murine Intestinal Inflammation
Published on: December 15, 2017
08:41Novel In Vivo Micro-Computed Tomography Imaging Techniques for Assessing the Progression of Non-Alcoholic Fatty Liver Disease
Published on: March 24, 2023
相关概念视频
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
Inflammatory Bowel Disease II: Crohn's Disease
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
Ultrasound II: Endoscopic Ultrasound and FibroScan
Endoscopic Ultrasound (EUS):
Imaging Studies for Cardiovascular System V: CT
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
