[名词解释] 黄斑回避

肝胆系统核素显像诊断对下述哪种疾病诊断最有价值() ["A．黄疸性肝炎","B．肝硬化","C．胆石症","D．慢性肝炎","E．急性胆囊炎"] 偏盲 黄斑分裂 核素诊断肝海绵血管瘤的最恰当的方法是() ["A．肝胶体显像","B．肝阳性显像","C．肝血池显像","D．肝胶体和肝血池联合显像","E．肝胆显像"] 暗适应 黄斑回避