动态全身FDG PET/CT用于预测头部和部瘤和宫淋巴瘤病的恶性病变
Gregor Horňák1, André H Dias2,3, Ole L Munk2,3
1Department of Nuclear Medicine, University Hospital Olomouc, Palacký University Olomouc, Zdravotníků 248/7, 77900 Olomouc, Czech Republic.
动态全身 (D-WB) FDG PET/CT在区分恶性病变和良性病变方面显示出前景. 将代谢吸收率 (MRFDG) 和自由FDG (DVFDG) 与SUVbw结合起来,可以提高头癌的诊断准确度.
科学领域:
- 核医学是一种核医学.
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
背景情况:
- 动态全身 (D-WB) FDG PET/CT提供了超越静态SUV的多参数成像 (MR,DV).
- 这些参数为病变的特征提供了独特的特征.
研究的目的:
- 在恶性与良性病变中确定MRFDG和DVFDG的值.
- 比较MRFDG和DVFDG与静态SUVbw的特异性.
- 评估动态参数与恶性瘤的相关性.
主要方法:
- 对来自43名患者的D-WB PET/CT数据进行了回顾性分析.
- 划分了病理发现,并提取了SUV,MR,DV和FDG值.
- 用于分类和值确定的物流回归和ROC分析.
主要成果:
- 结合MRFDG,DVFDG和SUVbw,在恶性瘤中实现了0.82的诊断准确度.
- 具体性达到0.93,DVFDG对分类做出了显著 (65%) 的贡献.
- 用平均值和最大值确定恶性瘤检测的最佳值.
结论:
- 与静态SUV相比,D-WB FDG PET/CT增强了恶性和良性病变之间的区分.
- 对于头癌,CUP和区分治疗后的变化特别有用.
- 由于样本规模较小,建议在较大的队列中进一步验证.
更多相关视频
08:55A Practical Guide for the Production and PET/CT Imaging of 68Ga-DOTATATE for Neuroendocrine Tumors in Daily Clinical Practice
Published on: April 17, 2019
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
相关概念视频
Positron Emission Tomography
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET
Radiological Investigation III: Pulmonary Angiogram and 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...
