探讨在周围动脉疾病中同时评估血管腔和血管钙化的图像融合的可行性。
Feasibility of Image Fusion for Concurrent MRI Evaluation of Vessel Lumen and Vascular Calcifications in Peripheral Arterial Disease.
机构信息
1 Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL.
2 Department of Radiology, NorthShore University HealthSystem, 2650 Ridge Ave, Walgreen Bldg G534, Evanston, IL 60201.
出版信息
AJR Am J Roentgenol. 2019 Apr;212(4):914-918. doi: 10.2214/AJR.18.20000. Epub 2019 Feb 4.
Abstract
OBJECTIVE
With MR angiography of peripheral arterial disease, calcifications are unapparent, so a separate calcification-sensitive pulse sequence (proton density-weighted in-phase 3D stack-of-stars [PDIP-SOS]) is needed for complete assessment. We hypothesized that, despite being acquired separately, MR angiography and PDIP-SOS images could be coregistered and fused without loss of significant diagnostic information.
CONCLUSION
In a prospective study of 15 patients, MR image fusion enabled the simultaneous display of vessel lumen and vascular calcifications similarly to CT angiography.
摘要
目的
在周围动脉疾病的磁共振血管造影中，钙化不明显，因此需要使用单独的钙化敏感脉冲序列（质子密度加权同相位 3D 星形堆叠[PDIP-SOS]）进行全面评估。我们假设，尽管是分别采集的，但磁共振血管造影和 PDIP-SOS 图像可以进行配准和融合，而不会丢失重要的诊断信息。
结论
在对 15 例患者的前瞻性研究中，磁共振图像融合能够同时显示血管腔和血管钙化，类似于 CT 血管造影。
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