Detection and diagnosis of oral neoplasia with an optical coherence microscope

Anne L. Clark; Ann Gillenwater; R. Alizadeh-Naderi; Ayman Elnaggar; Rebecca R. Richards-Kortum

doi:10.1117/1.1805558

1 November 2004 Detection and diagnosis of oral neoplasia with an optical coherence microscope

Anne L. Clark, Ann Gillenwater, R. Alizadeh-Naderi, Ayman Elnaggar, Rebecca R. Richards-Kortum

Author Affiliations +

Journal of Biomedical Optics, Vol. 9, Issue 6, (November 2004). https://doi.org/10.1117/1.1805558

Abstract

The use of high resolution, in vivo optical imaging may offer a clinically useful adjunct to standard histopathologic techniques. A pilot study was performed to investigate the diagnostic capabilities of optical coherence microscopy (OCM) to discriminate between normal and abnormal oral tissue. Our objective is to determine whether OCM, a technique combining the subcellular resolution of confocal microscopy with the coherence gating and heterodyne detection of optical coherence tomography, has the same ability as confocal microscopy to detect morphological changes present in precancers of the epithelium while providing superior penetration depths. We report our results using OCM to characterize the features of normal and neoplastic oral mucosa excised from 13 subjects. Specifically, we use optical coherence and confocal microscopic images obtained from human oral biopsy specimens at various depths from the mucosal surface to examine the optical properties that distinguish normal and neoplastic oral mucosa. An analysis of penetration depths achieved by the OCM and its associated confocal arm found that the OCM consistently imaged more deeply. Extraction of scattering coefficients from reflected nuclear intensity is successful in nonhyperkeratotic layers and shows differentiation between scattering properties of normal and dysplastic epithelium and invasive cancer.

©(2004) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Anne L. Clark, Ann Gillenwater, R. Alizadeh-Naderi, Ayman Elnaggar, and Rebecca R. Richards-Kortum "Detection and diagnosis of oral neoplasia with an optical coherence microscope," Journal of Biomedical Optics 9(6), (1 November 2004). https://doi.org/10.1117/1.1805558

Published: 1 November 2004

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KEYWORDS

Scattering

Confocal microscopy

Biopsy

Tissues

Tissue optics

Microscopes

Natural surfaces

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