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방사선사나라 Radiographer Nara
[MRI] (영/한) Bright Blood (BB) / MR 영상에서 혈관이 밝게 보이는 경우
(English) Why blood vessels look bright on MR images 1. Entry slice phenomenon In the multi-slice imaging method, entry slice phenomenon occurs when unsaturation spins in blood first enter into slices. It is characterized by the bright signal in a blood vessel (artery or vein) at the first slice that the vessel enters. 2. Even-echo signal rephasing The dephased spin is rephased to produce a high..
자기공명영상 (MRI)
2020. 5. 18. 13:19