Head and Neck Imaging
Effect of Gd-DTPA on Diffusion Weighted Imaging of Brain at 1.5T MR Scaner
Author：GUO Rui, CHEN Xin, CHE Zi-gang, et al.
affiliation：Department of Radiology, Nanjing Tongren Hospital, Nanjing 211100, Jiangsu Province, China
PDFAbstract
Objective To study the effect of Gd-DTPA on before and after enhancement diffusion weighted imaging (DWI) by measuring DWI signal intensity and ADC. Methods 30 patients, DWI were included this study. DWI exam had the same parameter before and after enhancement. The ROI was dorsal thalamus and centrum ovale. The contrast medium dosage was 15ml. Two experienced radiologists evaluated the image quality of DWI in five scorescale. Student t test was used to compare the image quality. Results There was statistical difference for the intensity of DWI(P<0.01). There was no statistical difference for ADC of dorsal thalamus and centrum ovale(P>0.05). Conclusion There was no statistically significant difference in ADC between the posterior cerebral thalamus and the semi oval Center before and after enhancement .But the intensity of DWI was improved.
【Keyword】DW; Contrast Medium; ADC; MR
【Chart number】R651.1
【Document Identification Number】A
【DOI】10.3969/j.issn.1672-5131.2018.12.004
Chinese journal of CT and MRI
th16Volume， th 12 Issue
2018Year12Month
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