Volume 13, Issue 10 e202000131
FULL ARTICLE

Raman microspectroscopic study for the detection of oral field cancerisation using brush biopsy samples

Isha Behl

Corresponding Author

Isha Behl

Centre for Radiation and Environmental Science, FOCAS Research Institute, Technological University Dublin, Dublin, Ireland

School of Physics, Technological University Dublin, Dublin, Ireland

Correspondence

Dr Isha Behl, Centre for Radiation and Environmental Science, FOCAS Research Institute, Technological University Dublin, City Campus, Dublin, Ireland.

Email: [email protected]

Search for more papers by this author
Genecy Calado

Genecy Calado

Centre for Radiation and Environmental Science, FOCAS Research Institute, Technological University Dublin, Dublin, Ireland

School of Physics, Technological University Dublin, Dublin, Ireland

Search for more papers by this author
Anika Vishwakarma

Anika Vishwakarma

Centre for Radiation and Environmental Science, FOCAS Research Institute, Technological University Dublin, Dublin, Ireland

School of Physics, Technological University Dublin, Dublin, Ireland

Search for more papers by this author
Stephen Flint

Stephen Flint

Oral Medicine Unit, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland

Search for more papers by this author
Sheila Galvin

Sheila Galvin

Oral Medicine Unit, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland

Search for more papers by this author
Claire M. Healy

Claire M. Healy

Oral Medicine Unit, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland

Search for more papers by this author
Marina Leite Pimentel

Marina Leite Pimentel

Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland

Search for more papers by this author
Alison Malkin

Alison Malkin

School of Biological Sciences, Technological University Dublin, Dublin, Ireland

Search for more papers by this author
Hugh J. Byrne

Hugh J. Byrne

FOCAS Research Institute, Technological University Dublin, Dublin, Ireland

Search for more papers by this author
Fiona M. Lyng

Fiona M. Lyng

Centre for Radiation and Environmental Science, FOCAS Research Institute, Technological University Dublin, Dublin, Ireland

School of Physics, Technological University Dublin, Dublin, Ireland

Search for more papers by this author
First published: 29 June 2020
Citations: 10

Funding information: Science Foundation Ireland, Grant/Award Number: 12/IP/1494; Technological University Dublin, Fiosraigh Dean of Graduate Studies Award

Abstract

Field cancerisation (FC) is potentially an underlying cause of poor treatment outcomes of oral squamous cell carcinoma (OSCC). To explore the phenomenon using Raman microspectroscopy, brush biopsies from the buccal mucosa, tongue, gingiva and alveolus of healthy donors (n = 40) and from potentially malignant lesions (PML) of Dysplasia Clinic patients (n = 40) were examined. Contralateral normal samples (n = 38) were also collected from the patients. Raman spectra were acquired from the nucleus and cytoplasm of each cell, and subjected to partial least squares-discriminant analysis (PLS-DA). High discriminatory accuracy for donor and PML samples was achieved for both cytopalmic and nuclear data sets. Notably, contralateral normal (patient) samples were also accurately discriminated from donor samples and contralateral normal samples from patients with multiple lesions showed a similar spectral profile to PML samples, strongly indicating a FC effect. These findings support the potential of Raman microspectroscopy as a screening tool for PML using oral exfoliated cells.image

CONFLICT OF INTEREST

The authors declare no potential conflict of interest.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.