下列属于肿瘤特异性抗原的是()。 ["癌胚抗原","胚胎抗原","黑色素瘤抗原","甲胎蛋白","CA199"]
周围型肺癌影像检查中的征象不包括()。 ["毛刺征象","分叶征象","周围卫星灶","空泡征","胸膜牵拉征"]
不符合消化道类癌的描述是()。 ["起源于神经内分泌系统","属于低度恶性肿瘤","阑尾和直肠类癌较少转移","胃和回肠较多转移","转移与肿瘤体积无关"]
关于原发性肝癌CT的表现,不正确的是()。 ["增强扫描静脉期明显强化","平扫多为低密度灶","增强扫描动脉期明显强化","局部肝轮廓可隆凸","伴肝硬化、脾大"]
为什么用洋地黄时须同时用钾盐?
怎样防治青霉素过敏性休克?