[名词解释] 抗原漂移

抗原转换 “胃壁增厚”可见于() ["A．Zollinger Ellison综合征","B．Menetrier病","C．淋巴瘤","D．静脉曲张","E．良性胃溃疡"] 反应性噬血细胞综合征(reactvehemophagocyticsyndrome) 胆管囊状扩张分为5种类型，其中I型为() ["A．胆总管囊肿","B．肝内多发性囊肿","C．壁内段胆总管囊状膨出","D．多发性肝内、外囊肿","E．胆总管憩室"] 雷耶(Reye)综合征 抗原漂移