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Correlation of narrow-band imaging findings using the Ni and European Laryngeal Society classification systems during in-office flexible laryngoscopy with histopathology

Published online by Cambridge University Press:  19 June 2023

Nupur Kapoor Nerurkar Open the ORCID record for Nupur Kapoor Nerurkar [Opens in a new window]  and
Asitama Sarkar
Nupur Kapoor Nerurkar*
Affiliation:
Bombay Hospital Voice and Swallowing Centre, Bombay Hospital and Medical Research Centre, Mumbai, India
Asitama Sarkar
Affiliation:
Bombay Hospital Voice and Swallowing Centre, Bombay Hospital and Medical Research Centre, Mumbai, India
*
Corresponding author: Nupur Kapoor Nerurkar; Email: nupurkapoor@yahoo.com Fax: 91 22 2208 0871
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Abstract

Objective

This study used the European Laryngeal Society (2016) and Ni (2011 and 2019) classifications for narrow-band imaging and correlated the findings with histopathology.

Methods

Retrospective analysis was conducted by retrieving data of patients who underwent micro-laryngoscopy for suspicious glottic lesions. The narrow-band imaging findings were classified using both classification systems. Retrieved histopathology report findings were correlated with narrow-band imaging data.

Results

Using the European Laryngeal Society and Ni classifications, 37 (69.8 per cent) and 35 (66 per cent) patients, respectively, were suspected to have malignant lesions. Upon histopathology, 37 (69.8 per cent) lesions were malignant. Sensitivity, specificity, positive predictive value, negative predictive value and accuracy using the European Laryngeal Society classification were 91.9 per cent, 81.3 per cent, 91.9 per cent, 81.3 per cent and 88.7 per cent, and using the Ni classification were 91.9 per cent, 93.8 per cent, 97.1 per cent, 83.3 per cent and 92.5 per cent, respectively.

Conclusion

The Ni classification had better specificity and accuracy. The European Laryngeal Society classification is simple to use and may serve as a useful screening tool. For optimum results, both European Laryngeal Society and Ni classifications may be used together, in that order.

Keywords

Head and neck cancersurgerydiagnosisvoicelarynxairwaylaryngologystridorlaryngomalaciapediatricsotorhinolaryngologysurgical diagnostic techniquesendoscopy
Type
Main Article
Information
The Journal of Laryngology & Otology , Volume 138 , Issue 2 , February 2024 , pp. 203 - 207
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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Footnotes

Nupur Nerurkar takes responsibility for the integrity of the content of the paper

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