患儿,男,6岁。主因左颈部肿块2月余入院。患儿两月前上呼吸道感染,随后左颈部肿胀,隆起一肿物。经抗感染治疗,局部肿胀消退。停药后第三日,原肿胀部再次肿起,继用抗生素不见消退。随转诊多处医院,曾多次局部穿刺,均因未穿得脓液,来切开引流,而后肿物明显增大。村卫生院于入院前三天切开探查,见紫黑样物中断手术转来我院。入院 Children, male, 6 years old. Mainly due to left neck mass was admitted to the hospital for more than 2 months. The upper respiratory tract infection occurred two months earlier in the child, followed by swelling of the left neck and swelling of a tumor. After anti-infective treatment, local swelling subsided. On the third day after discontinuation of the drug, the original swollen area swollen again and there was no regression of antibiotics. With referral to multiple hospitals, there were several local punctures, all of which were due to no pus, so the drainage was incised and the mass increased significantly. The village health center cut into exploration three days before admission, see the purple black and black matter cut off the surgery and transferred to our hospital. Admission