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Int J Oral Maxillofac Surg. 2013 Jun;42(6):693-701. doi: 10.1016/j.ijom.2012.10.039. Epub 2013 Apr 9.

Light sources used in evaluating oral leukoplakia: broadband white light versus narrowband imaging.

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1
Department of Otolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Keelung, Taiwan, ROC. sweeyang@gmail.com

Abstract

This study aimed to investigate the clinical efficacy of using broadband white light (BWL) to observe morphologic appearance, narrow-band imaging (NBI) to observe intraepithelial microvasculature, and both BWL and NBI for the detection of high-grade dysplasia and carcinoma in oral leukoplakia. Among 317 patients (274 males and 43 females; aged 52.4±10.7 years), the odds ratio (95% confidence interval) for detecting high-grade dysplasia and carcinomatous lesions based on morphologic appearances of BWL, and microvasculature patterns of NBI, were 39.12 (9.33-64.10), and 97.16 (38.19-247.21), respectively, which were significantly better than BWL (p<1×10(-15)). The sensitivity, specificity, positive and negative predictive values, and accuracy of use of traditional BWL classification, NBI classification, and combined BWL and NBI classification for detecting high-grade dysplasia and carcinomatous lesions were 96.30, 60.08, 33.12, 98.75, 66.25, 39.92, and 3.70%; 87.04, 93.54, 73.44, 97.23, and 92.43%; and 100.00, 60.08, 33.96, 100.00, and 66.88%, respectively. In conclusion, the diagnostic accuracy by NBI classification of oral leukoplakia based on the intraepithelial microvasculature patterns is significantly better than BWL indicating that NBI is a promising non-invasive tool in detecting high-grade dysplasia and carcinomatous lesions in oral leukoplakia.

PMID:
23583318
DOI:
10.1016/j.ijom.2012.10.039
[Indexed for MEDLINE]
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