n.便血
In the thick wlal type, if intima is very irregular and focal areas are showed bright echogenicity combining with hematochezia we can diagnose the ulcer type. 在壁增厚型中內(nèi)膜明顯凸凹不平，并見限局性固定強回聲，結(jié)合患者便血，可診斷潰瘍型。
