患儿，1997年8月20日出生。1998年4月3日由预防接种专业人员在其左上臂三角肌下部外侧皮内注射卡介苗0．lml。疫苗系卫生部上海生物制品研究所生产，批号970521，效期98．8。约一月余，患者家长发现患儿左腋下有一豆粒大淋巴结，未予注意。至7月10日，左腋下淋巴结肿大如红枣大 Children, born on August 20, 1997. On April 3, 1998, BCG was injected intradermally by a vaccination specialist outside the lower part of the upper extremity deltoid muscle. lml. Vaccine Department of Health, Shanghai Institute of Biological Products, batch number 970521, duration 98.8. About a month later, the patient’s parents found a large lymph node in the left armpit, did not pay attention. To July 10, the left axillary lymph nodes such as large jujube