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논문 기본 정보

자료유형
학술저널
저자정보
Yeong-Cheol Heo (EulJi University) Jae-Hwan Cho (Ansan University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.22 No.1
발행연도
2017.3
수록면
146 - 149 (4page)

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In this study, we compared the standardized value of each signal intensity, the apparent diffusion coefficient (ADC) that digitizes the diffusion of water molecules, and the signal to noise ratio (SNR) using b value 0 400, 1400 (s/mm²). From March 2013 to December 2013, patients with suspicion of simple compound fracture and metastatic spine cancer were included in the MR readout. We used a 1.5 Tesla Achieva MRI system and a Syn- Spine Coil. Sequence is a DWI SE-EPI sagittal (diffusion weighted imaging spin echo-echo planar imaging sagittal) image with b-factor (s/mm²) 0, 400, 1400 were used. Data analysis showed ROI (Region of Interest) in diseased area with high SI (signal intensity) in diffusion-weighted image b value 0 (s/mm²) Using the MRIcro program, each SI was calculated with images of b-value 0, 400, and 1400 (s/mm²), ADC map was obtained using Metlab Software with each image of b-value, The ADC is obtained by applying the ROI to the same position. The standardized values (SI400/SI0, SI400/SI0) of simple compression fractures were 0.47 ± 0.04 and 0.23 ± 0.03 and the standardized values (SI400/SI0, SI400/SI0) of the metastatic spine were 0.57 ± 0.07 and 0.32 ± 0.08 And the standardized values of the two diseases were statistically significant (p < 0.05). The ADC (mm²/s) for b value 400 (s/mm²) and 1400 (s/mm²) of the simple compression fracture disease site were 1.70 ± 0.16 and 0.93 ± 0.28 and 1.24 ± 0.21 and 0.80 ± 0.15 for the metastatic spine. The ADC (mm²/s) for b value 400 (s/mm²) was statistically significant (p < 0.05) but the ADC (mm²/s) for b value 1400 (p > 0.05). In conclusion, multi - b value recognition of signal changes in diffusion - weighted imaging is very important for the diagnosis of various spinal diseases.

목차

1. Introduction
2. Subjects and Method
3. Result
4. Discussion
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-428-002313765