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既往认为咽后脓肿多发生于儿童,尤其是3～4岁以下的幼儿,多因耳鼻咽部的急性感染扩展至咽后间隙或由淋巴引流至咽后淋巴结所致。儿童咽后淋巴结数目多,是咽后脓肿发病率高的原因。成人的发病除上述原因外,还可由潜在的全身性疾病影响免疫系统引起。儿童与成人的临床表现不全相同。婴幼儿表现为拒食、易激惹、发热、头过度仰伸等,脓肿增大时可致呼吸困难。成人则有发热、咽痛、颈部压痛和强直、进行性吞咽困难和咽下痛,亦可有呼吸困难。如持续发烧、胸痛伴严重的呼吸困难,是脓肿扩至上纵隔之征。在诊断中,作者强调了颈部X线侧位片和CT扫描的价值,并介绍了X线片的正常测量及咽后
Previously that retropharyngeal abscess occurred in children, especially in children under 3 to 4 years of age, mostly due to the acute infection of the otolaryngopharynx extends to the posterior pharyngeal space or by the lymphatic drainage to the posterior pharyngeal lymph nodes. The number of children posterior pharyngeal lymph nodes, is the reason for the high incidence of posterior pharyngeal abscess. In addition to the above-mentioned causes of adult onset, but also by the underlying systemic diseases affect the immune system. The clinical manifestations of children and adults are not the same. Infants and young children manifested as antifeedant, irritability, fever, excessive head Yangzhang, abscess can cause increased breathing difficulties. Adults are fever, sore throat, neck tenderness and rigidity, progressive dysphagia and swallowing pain, may also have breathing difficulties. Such as persistent fever, chest pain with severe dyspnea, expansion of the abscess is the sign of the mediastinum. In the diagnosis, the author emphasized the value of X-ray and X-ray radiography and introduced the normal measurement of X-ray film and pharynx