例1 女 31岁因B超发现左上腹肿块并感左上腹蹩胀、疼痛、食欲不振,经抗痨治疗1个月,症状明显好转。为进一步明确诊断于1990年10月20日来我站做OT(北京生物制品研究所生产,批号2774)试验,3小时后病人感全身发痒、恶心、心慌、心率加快,全身皮肤出现2～3mm大小的红色丘疹,尤以后背为著。48小时后症状逐渐消失。72小时观 Example 1 female 31 years old because of B-found in the left upper abdomen mass and left upper abdominal cramps, pain, loss of appetite, anti-tuberculosis treatment for 1 month, the symptoms improved significantly. To further confirm the diagnosis in October 20, 1990 came to my station OT (Beijing Institute of Biological Products, batch number 2774) test, 3 hours after the patient was itchy, nausea, palpitation, heart rate, systemic skin appears 2 ~ 3mm red papules, especially for the back. After 48 hours the symptoms gradually disappear. 72 hours concept