A.在顯示支氣管壁增厚、管腔狹窄、阻塞等方面不及CT B.MRI對(duì)確定縱隔內(nèi)及肺門部腫大淋巴結(jié)優(yōu)于CT C.肺癌在T1WI上呈中等均勻信號(hào),T2WI上為高信號(hào),信號(hào)不均勻 D.MRI在顯示肺門部小腫塊時(shí)優(yōu)于CT E.MRI對(duì)確定肺的腫塊與支氣管的關(guān)系較CT更為清楚
A.T1WI中等信號(hào),T2WI高信號(hào) B.T1WI低信號(hào),T2WI高信號(hào) C.T1WI信號(hào)均勻,T2WI不均勻 D.T1WI高信號(hào),T2WI高信號(hào) E.T1WI信號(hào)均勻、T2WI信號(hào)均勻
A.靜止質(zhì)子信號(hào)低,與血流對(duì)比明顯 B.垂直于切面的血管為高信號(hào) C.平行于切面的血管亦為高信號(hào) D.流動(dòng)快的血流即使離開切層,也呈高信號(hào) E.動(dòng)脈與靜脈可同時(shí)表現(xiàn)為高信號(hào)