A.囊變內(nèi)容物分自由水和結(jié)合水兩種 B.自由水T1WI呈高信號(hào),T2WI呈低信號(hào) C.結(jié)合水T1WI呈中等信號(hào),T2WI呈高信號(hào) D.結(jié)合水T2FLAIR和DWI均呈高信號(hào) E.自由水T2FLAIR和DWI均呈低信號(hào)
A.T1WI呈低信號(hào),T2WI呈高信號(hào) B.Gd-DTPA增強(qiáng)掃描,腦回增強(qiáng)為特征性表現(xiàn) C.梗死灶呈囊性軟化 D.DWI呈高信號(hào)且邊界清晰 E.梗死區(qū)局部腦萎縮