지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.9
- 수록면
- 294 - 298 (5page)
- DOI
- 10.4283/JMAG.2021.26.3.294
이용수
초록· 키워드
오류제보하기
The purpose of this study was to compare the effect of 8-channel and 32-channel head coils for 3 Tesla brain single shot spin echo diffusion-weighted imaging (DWI) with different b-values. All experiments were performed on a 3 Tesla magnetic resonance scanner using an 8-channel and a 32-channel head coils. The signal-to-noise ratio (SNR), apparent diffusion coefficient (ADC) values, and image distortions were measured with an American College of Radiology (ACR) head phantom. The SNR and ADC values decreased with increasing b-value, and the distortion and image noise increased. In particular, DWI with a b-value ≥ 2000 showed significant noise and distortion for both coils. In conclusion, the use of 32-channel head coils has advantage for brain DWI compared with 8-channel head coils. However, brain DWI with a b-value ≥ 2000 did not statistically improve SNR on 32-channel coils compared with 8-channel coils, and showed a significant noise and distortion for both coils
목차
1. Introduction
2. Materials and Methods
3. Results
4. Discussion
5. Conclusion
References
참고문헌 (21)
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