A.低回聲與脾實(shí)質(zhì)回聲相等
B.均勻,細(xì)小的光點(diǎn),回聲多低于腎皮質(zhì)回聲
C.密集、細(xì)小的光點(diǎn),回聲增強(qiáng)
D.均勻、細(xì)小的光點(diǎn),回聲低于或與胰腺實(shí)質(zhì)回聲相似
E.低回聲區(qū)中有形態(tài)不一的條索狀結(jié)構(gòu)
A.3.5MHz或5~8MHz
B.1~2MHz
C.3.0~4.0MHz
D.1.5~2.5MHz
E.7.5~12.0MHz