诊断Barrett食管应该采用哪种核医学检查 ["A.放射性核素肝胆动态显像","B.肝血流灌注及肝血池显像","C.99mTc-RBC消化道出血显像","D.异位胃黏膜显像","E.99mTc胶体作消化道出血显像"] 肝血管瘤与肝囊肿的鉴别应该采用哪种核医学检查 ["A.放射性核素肝胆动态显像","B.肝血流灌注及肝血池显像","C.99mTc-RBC消化道出血显像","D.异位胃黏膜显像","E.99mTc胶体作消化道出血显像"] 急性活动性消化道出血，胃镜及肠镜无法使用时应该采用哪种核医学检查 ["放射性核素肝胆动态显像","肝血流灌注及肝血池显像","99mTc-RBC消化道出血显像","异位胃黏膜显像","99mTc胶体作消化道出血显像"] 肝胶体显像表现为缺损，而肝血池显像表现为过度填充的是 ["A.肝血管瘤","B.肝囊肿、肝脓肿","C.肝癌","D.肝炎后肝硬化","E.血吸虫肝纤维化"] 肝胶体显像、肝血池显像及血流灌注显像均表现为缺损的是 ["A.肝血管瘤","B.肝囊肿、肝脓肿","C.肝癌","D.肝炎后肝硬化","E.血吸虫肝纤维化"] 肿瘤阳性显像呈现热区的是