The Quantitative Assessment of Gd-DTPA in Contrast Enhanced Magnetic Resonance Angiography
作者： C.-C. Hsiao , J.-C. Jao , Y.-N. Ting , H.-B. Pan , S.-T. Lai
DOI: 10.1109/IEMBS.2005.1616687
关键词: Saline 、 Contrast (vision) 、 Quantitative assessment 、 Nuclear medicine 、 Potential toxicity 、 Imaging phantom 、 Lesion detection 、 Magnetic resonance angiography 、 Medicine 、 Radiology 、 Pulse (signal processing)
摘要: Recently, the use of MRI contrast agents has been proven to be substantially improved sensitivity and specificity in many clinical applications. CE-MRA higher blood signal based on T1 T2-shortening property agents, so that even small vessels can visualized. The improve lesion detection characterization. routinely used dose routine examinations only relies weight subject. purpose this study is obtain clinically optimal for 3D-TOF (time-of-flight) pulse sequences examinations. In phantom study, ten test tubes were filled with saline mixed different Gd-DTPA. It found Gd-DTPA by using 20 mM. Also, there no differences doses between Omniscan Magnivist results show consistent high quality images might obtained 0.25M (half dose) 3~4 cc/sec injection rate all cases. benefits minimize potential toxicity. Additionally, decrease cost achieved. expected provide recommended enhanced MRA diagnosis
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