窄带成像技术普通内镜对喉恶性病变的诊断价值

目的　探讨窄带成像技术（n a r row b a nd imaging，NBI）普通内镜对喉恶性病变诊断的应用价值。方法 自2013年2月～2014年12月内镜检查发现425例喉肿物患者，观察NBI模式普通内镜下喉肿物病变区黏膜形态及血管变化，进行分型诊断，将NBI内镜诊断结果与病理结果对比分析。结果　NBI普通内镜对喉恶性病变诊断的敏感 性为80.43%，特异性为97.10%，阳性预测值77.08%，阴性预测值97.61%。结论　NBI普通内镜通过观察病变区黏膜形态及血管变化在喉恶性病变的诊断中有着良好的应用价值。

Application value of narrow band imaging endoscopy without magnification in the diagnosis of malignant laryngeal neoplasms

OBJECTIVE To investigate the value of narrow band imaging endoscopy without magnification in the diagnosis of malignant laryngeal lesions. METHODS A total of 425 patients diagnosed as laryngeal tumor from February 2013 to November 2014 were included in this study. All the cases were examined with electronic nasopharyngolaryngoscope equipped with NBI mode. The characteristics of mucosal morphology and superficial vessels of each lesion under NBI mode were evaluated for diagnosis and assessed by reference to histopathology. RESULTS The sensitivity, specificity, positive, predictive value and negative predictive value of NBI in diagnosis of malignant laryngeal lesions were 80.43%, 97.10%, 77.08% and 97.61%respectively. And NBI endoscopy is helpful to the detection of early cancer and precancerous lesions. CONCLUSION NBI endoscopy without magnification is a promising tool for improving the diagnosis of malignant laryngeal lesions.