Title
Multispectral autofluorescence dermoscope for skin lesion assessment
Date Issued
01 June 2020
Access level
open access
Resource Type
journal article
Author(s)
University of Oklahoma
Publisher(s)
Elsevier B.V.
Abstract
Basal cell carcinoma (BCC) is the most common type of skin cancer. Diagnosis and edge assessment of BCC lesions are based on clinical and dermoscopy evaluation, which are strongly dependent on the expertise and training of the physician. There is a high rate of underdiagnosis because BCC is frequently confused with certain common benign lesions and is often indistinguishable from the surrounding healthy tissue. In the present study, a multispectral fluorescence lifetime imaging (FLIm) dermoscopy system, designed for imaging and analyzing the autofluorescence emission of skin tissue, was used to image thirty-eight patients with diagnosed nodular BCC (nBCC) lesions, using clinically acceptable levels of excitation light exposure. With this system, skin autofluorescence was imaged simultaneously using three emission bands: 390 ± 20 nm, 452 ± 22 nm, and >496 nm, preferentially targeting collagen, NADH, and FAD autofluorescence, respectively. Statistical classifiers based on FLIm features developed to discriminate BCC from healthy tissue showed promising performance (ROC area-under-the-curve of 0.82). This study demonstrates the feasibility of clinically performing multispectral endogenous FLIm dermoscopy providing baseline results indicating the potential of this technology as an image-guided tool to improve the delineation of nBCC during surgical lesion resection.
Volume
30
Language
English
OCDE Knowledge area
Oncología
Dermatología, Enfermedades venéreas
Subjects
Scopus EID
2-s2.0-85081033145
PubMed ID
Source
Photodiagnosis and Photodynamic Therapy
ISSN of the container
15721000
Sponsor(s)
The authors would like to thank Professor Vanderlei S. Bagnato for scientific discussions. Authors Ramon G. T. Rosa and Renan A. Romano contributed equally to this work. Financial support was provided by the following Brazilian funding agencies: Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES - Finance Code 001 ); CNPq PVE (grants #401150/2014-3 and #314533/2014-1 ); and the São Paulo State Research Foundation (FAPESP, grants #2013/07276-1 (CEPOF) and #2014/50857-8 (INCT)). Javier A. Jo was also supported by the National Institute of Health (grant #R01CA218739 ).
Sources of information:
Directorio de Producción Científica
Scopus