n.低回聲；在超聲波圖像中回聲相對較弱的區(qū)域
Results The typical sonographic appearances were the presence of multiple enlarged as oval hypoechoic nodules with different size in the right inferior abdomen. 結(jié)果小兒急性腸系膜淋巴結(jié)炎典型的聲像圖特征是右側(cè)中下腹部見數(shù)枚大小不等橢圓形低回聲結(jié)節(jié)。
