問題詳情

53.下列何者為MRI的脂肪壓抑(fat suppression)技術?
(A)STIR
(B)FLAIR
(C)Magnetization transfer technique
(D)FLASH

參考答案

答案:A
難度:簡單0.899498
統計:A(179),B(18),C(0),D(2),E(0)

用户評論

Steven Huang】評論

(A)STIR :抑制脂肪(B)FLAIR :抑制水(C)Magnetization transfer technique :Magnetization transfer techniques are equally effective for both non-contrast and contast-enhanced MRA.  Because gadolinium (Gd) enhancement is caused by a water-Gd ion interaction (not macromolecular cross-relaxation), MT pulses suppress the signal from background tissues and render Gd-enhanced areas more conspicuous.Time of flight MRA without (left) and with (right) MT suppression. Note better visualization of small vessels after MT pulse.出處:http://mriquestions.com/magnetization-transfer.html(D)FLASH :Fast low a...