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咽后间隙是椎前筋膜和咽缩肌之间的潜在间隙,其内充满疏松的蜂窝组织;感染扩散的途径取决于病因。在儿童,咽后淋巴结存在已被确认,并形成头颈部淋巴引流系统的一部分,因此头颈区的急性感染易引起咽后淋巴结化脓而后形成脓肿。到儿童期后期,按经典的说法,咽后淋巴结萎缩,故成人急性非结核性咽后脓肿少见,如有发生,通常多有明确的病因,大多数病例是因异物或内窥镜检查时损伤咽部和食管使感染直接进入间隙的结果;作为气管内插管的并发症,亦曾有过多次报告。本文报道3例急性非结核性咽后脓肿,年龄62～77岁。其中一例经过全面的细致检查亦未能找到病因,故考虑为自发性脓肿,在以往的英文文献中尚未见过。例2原有鼻窦感染,其最可能的感染途径是由鼻窦通过淋巴到咽后淋
The posterior pharyngeal space is a potential gap between the prevertebral fascia and the pharyngeal constrictor, which is filled with loosely organized cellular tissue; the route of spread of infection depends on the cause. In children, the presence of retropharyngeal lymph nodes has been identified and forms part of the head and neck lymphatic drainage system, so an acute infection of the head and neck area can cause suppurative retroperitoneal lymph node formation followed by abscess formation. To the late childhood, according to the classic statement, retropharyngeal lymph node atrophy, adult acute non-tuberculous retropharyngeal abscess is rare, if there is usually more than a clear cause, most cases are due to foreign body or endoscopic damage Pharyngeal and esophageal infections directly into the gap results; as an endotracheal tube complications, there have been many reports. This article reports 3 cases of acute non-tuberculous pharyngeal abscess, aged 62 to 77 years. One case after a comprehensive and detailed examination also failed to find the cause, it is considered as a spontaneous abscess, in the previous English literature has not been seen. Example 2 The original sinus infection, the most likely route of infection is from the sinus through the lymph to the pharyngeal shower