![Quantification of Atherosclerotic Plaque Activity and Vascular Inflammation using [18-F] Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography FDG-PET/CT](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F3777.jpg&w=3840&q=50)
定量18F-FDG PET/CT参数在评估巨细胞动脉炎中血管炎症的潜在临床用处
Caterina Ricordi1, Rexhep Durmo2, Paolo Giorgi Rossi3
1Rheumatology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia; and University of Modena and Reggio Emilia, Modena, Italy.
Clinical and experimental rheumatology
|January 9, 2026
概括
新的定量PET/CT参数,总炎症性血管体积 (TIVV) 和总炎症性糖解体积 (TIGV),比传统方法更早,更准确地评估大血管巨细胞动脉炎 (LV-GCA) 疾病活动和治疗反应.
科学领域:
- 核医学成像技术 核医学成像技术
- 评估血管炎症的评估
- 定量成像生物标志物生物标志物
背景情况:
- 大血管巨细胞动脉炎 (LV-GCA) 是一种严重的疾病,需要准确评估疾病活动.
- 目前用于评估PET/CT上的LV-GCA的视觉和半定量方法存在局限性.
- 新的定量参数可能会改善疾病评估.
研究的目的:
- 评估总炎症血管体积 (TIVV) 和总炎症糖解体积 (TIGV) 在评估LV-GCA中的实用性.
- 将这些新型参数与疾病活动,治疗反应和复发预测的传统方法进行比较.
主要方法:
- 三名LV-GCA患者进行了连续的18F-FDG PET/CT扫描.
- 使用视觉尺度 (Meller's,PETVAS) 和定量TIVV/TIGV评估疾病活动.
- 使用基于FDG吸收值的半自动方法计算TIVV和TIGV.
主要成果:
- 定量TIVV/TIGV表明治疗的有效性,而视觉评估则表明其他情况.
- 增加TIVV/TIGV在一个患者的临床复发之前,视觉评估错过了.
- 降低TIVV/TIGV与临床缓解一致,尽管在另一个案例中持续的视觉高代谢.
结论:
- 与传统方法相比,TIVV和TIGV在LV-GCA中提供了较早,更准确的血管炎症评估.
- 这些定量参数可以在LV-GCA中为疾病活性和治疗指南提供改进的,标准化的措施.
- 需要在更大的研究中进一步验证.
更多相关视频
10:04Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
Published on: September 5, 2017
19.2K
06:35An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
Published on: February 8, 2019
7.6K
相关概念视频
01:13Radiological Investigation III: Pulmonary Angiogram and PET Scan
722
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
722
01:28Imaging Studies for Cardiovascular System V: CT
671
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
671