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- aliasing artifact
- radiographer nara
- TR TE
- T2 이완
- slice gap
- wrap around artifact
- no phase wrap
- MRI image parameters
- MRA
- K-space
- MR angiography
- T2WI
- saturation band
- 방사선사나라
- chemical shift artifact
- fast spin echo
- saturation pulse
- fractional echo
- tof
- MRI gantry
- T1강조영상
- ECG gating
- T1WI
- T2강조영상
- FSE
- 동위상 탈위상
- 자기공명혈관조영술
- MRI 영상변수
- 사전포화펄스
- receive bandwidth
- Today
- Total
목록T2WI (3)
방사선사나라 Radiographer Nara
[MRI] (영/한) <SUMMARY> T1WI, T2WI, PDWI / <요약> T1강조영상, T2강조영상, PD강조영상
(영어/영문/English) 1. T1WI (T1 weighted image) To get a T1WI, a short TR and short TE are required. The clinically appropriate TR is 350~750ms, and the TE is 10~30ms. It is easy to see the anatomical structure and is mainly used in contrast imaging. 2. T2WI (T2 weighted image) To get a T2WI, long TR and long TE are needed. Clinically appropriate TR is over 2500ms and TE is 60~120ms. It is easy to i..
[MRI] (영/한) T2 Weighted Image (T2WI) - T2 강조영상
(영어/영문/English) Larmor frequency causes the longitudinal magnetization to lie on the horizontal plane (XY) , and then all spins in the same phase are rapidly dephased by interaction of spins and spins and inhomogeneity of the local magnetic field. (decay, incoherence, dephase, fan-out) It is the T2 weighted image that uses the phenomenon in which the spins in the transverse magnetization state a..
[MRI] (영/한) T1 relaxation time and T2 relaxation time of tissues - 각 조직의 종축 이완시간과 횡축 이완시간, 영향인자
(영어/영문/English) 1. T1 relaxation time (Longitudinal relaxation time) T1 relaxation time varies depending on the tissue. It depends on the shape of the nucleus, the strength of the magnetic field, the temperature, the viscosity of the spin, the size of the molecule, and the presence of paramagnetic ions or molecules. For example, the energy release of the excited spin through the exchange of ener..