作者旨在评估CT检查在颈深部间隙感染(DNSI),特别是区分齿源性和非齿源性DNSI中的作用。复习了DNSI44例,男28例,女16例,年龄3～78岁。31例由手术确诊,13例由临床征象和症状确诊。26例培养出致病微生物,其中17例为链球菌。在DNSI的病因中,21例为牙齿感染,其次为外伤(包括手术和异物伤)10例,上呼吸道或扁桃体 The aim of the authors was to evaluate the role of CT in the diagnosis of deep cervical neck infections (DNSIs), especially in distinguishing between odontogenic and non-orthodontic DNSIs. Forty DNSI patients were reviewed, including 28 males and 16 females, aged 3 to 78 years old. 31 cases were diagnosed by surgery, and 13 cases were confirmed by clinical signs and symptoms. 26 cases of pathogenic microorganisms, of which 17 cases of Streptococcus. In the etiology of DNSI, 21 cases were tooth infections, followed by 10 cases of trauma (including surgery and foreign body injuries), upper respiratory tract or tonsil