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目的探讨鼻咽部的正常超声表现及其正常结构测值。方法对228例正常成人行鼻咽部超声检查,获得其显示率、超声表现及正常结构测值,并进行统计学分析。结果鼻咽顶壁、后壁、两侧壁的显示率分别为99.1%,97.8%和99.6%。声像图上,鼻咽部呈弱回声。男性鼻咽部上下径及前后径均大于女性(P<0.01),女性鼻咽后壁厚度大于男性(P<0.05)。结论超声可显示鼻咽部的结构,其声像图表现及正常测值将有助于鼻咽部疾病的超声诊断。
Objective To investigate the normal nasopharyngeal ultrasound performance and its normal structure measurement. Methods 228 cases of normal adults underwent nasopharyngeal ultrasound examination, access to the display rate, ultrasound findings and normal structure measurements, and statistical analysis. Results The display rates of the top, posterior and lateral walls of the nasopharynx were 99.1%, 97.8% and 99.6% respectively. On the sonogram, the nasopharynx was a weak echo. The upper and lower nasopharyngeal diameter and anteroposterior diameter of male were higher than those of female (P <0.01). The thickness of nasopharyngeal posterior wall of female was higher than that of male (P <0.05). Conclusion Ultrasound can show the structure of the nasopharynx, and its sonography and normal measurement will be helpful for the diagnosis of nasopharyngeal diseases.