上颌窦炎为儿童罹患上呼吸道感染时常见的并发症,多数病例不经专科诊治可以缓解,但从临床和预后的观点来看,确定某一鼻窦有无分泌物潴留是值得注意的,分泌物潴留往往是表示引流障碍而使感染的分泌物存留于窦内,儿童这种隐匿的亚急性上颌窦炎症在其未转为慢性疾患前应当治疗和随访。目前为探测上颌窦内有无残存液体的方法尚有一定的缺点,上颌窦诊断性穿刺对儿童来说是 Maxillary sinusitis is a common complication of upper respiratory tract infection in children, and most cases can be relieved without specialist diagnosis and treatment, but from a clinical and prognostic point of view, it is noteworthy to determine whether there is secretions in a sinus or not Retention is often the indication of drainage disorders leaving infected secretions in the sinus. Children with this occult subacute maxillary sinus inflammation should be treated and followed up before they become unconverted. At present, there is a certain shortcoming in detecting the presence or absence of residual liquid in the maxillary sinus, and the diagnostic puncture of the maxillary sinus is