我院1997年2月至1998年10月进行的CT增强扫描400例中,发生12例过敏反应,现报告如下。1 临床资料1.1 一般资料 12例过敏反应患者,男7例,女5例;年龄最大76岁,最小12岁。全部患者造影前经碘静脉过敏试验阴性,造影前常规静脉注射地塞米松10mg。1例于注药3min后发生,其他11例在注药后40min内发生,其中轻、中度碘过敏反应10例,表现为恶心、呕吐、皮肤发热、散在荨麻 In our hospital from February 1997 to October 1998 CT enhanced scan of 400 cases, 12 cases of allergic reactions, are as follows. 1 Clinical data 1.1 General Information 12 patients with allergic reactions, 7 males and 5 females; the oldest 76 years old, the youngest 12 years old. All patients before angiography negative by iodine vein allergy test, conventional intravenous injection of dexamethasone 10mg. 1 case occurred 3min after injection, the other 11 cases occurred within 40min after injection, including mild and moderate iodine allergy in 10 cases, manifested as nausea, vomiting, skin fever, scattered nettles