Barrett食管2例石定,杨承汉,刘竹娥,李汝泉1临床资料例1王某,男,40a,上腹部烧灼感50d,无反酸、烧心、嗳气、呕吐等,胃镜下见距门齿20cm处食管右侧壁0.5cm×0.7cm大小的粘膜颜色改变,卵圆形,表面糜烂,质软,该处皱襞扩张良好;胃...