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Article

Non-Invasive Skin Cancer Diagnosis Using Hyperspectral Imaging for In-Situ Clinical Support

by
Raquel Leon
1,*,
Beatriz Martinez-Vega
1,
Himar Fabelo
1,
Samuel Ortega
1,
Veronica Melian
1,
Irene Castaño
2,
Gregorio Carretero
2,
Pablo Almeida
3,
Aday Garcia
4,
Eduardo Quevedo
1,
Javier A. Hernandez
3,
Bernardino Clavo
5 and
Gustavo M. Callico
1
1
Institute for Applied Microelectronics (IUMA), University of Las Palmas de Gran Canaria (ULPGC), 35017 Las Palmas de Gran Canaria, Spain
2
Department of Dermatology, Hospital Universitario de Gran Canaria Doctor Negrín, Barranco de la Ballena s/n, 35010 Las Palmas de Gran Canaria, Spain
3
Department of Dermatology, Complejo Hospitalario Universitario Insular-Materno Infantil, Avenida Maritima del Sur, s/n, 35016 Las Palmas de Gran Canaria, Spain
4
Department of Electromedicine, Complejo Hospitalario Universitario Insular-Materno Infantil, Avenida Maritima del Sur, s/n, 35016 Las Palmas de Gran Canaria, Spain
5
Research Unit, Hospital Universitario de Gran Canaria Doctor Negrín, Barranco de la Ballena s/n, 35010 Las Palmas de Gran Canaria, Spain
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2020, 9(6), 1662; https://doi.org/10.3390/jcm9061662
Submission received: 13 May 2020 / Accepted: 27 May 2020 / Published: 1 June 2020
(This article belongs to the Section Dermatology)
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Abstract

Skin cancer is one of the most common forms of cancer worldwide and its early detection its key to achieve an effective treatment of the lesion. Commonly, skin cancer diagnosis is based on dermatologist expertise and pathological assessment of biopsies. Although there are diagnosis aid systems based on morphological processing algorithms using conventional imaging, currently, these systems have reached their limit and are not able to outperform dermatologists. In this sense, hyperspectral (HS) imaging (HSI) arises as a new non-invasive technology able to facilitate the detection and classification of pigmented skin lesions (PSLs), employing the spectral properties of the captured sample within and beyond the human eye capabilities. This paper presents a research carried out to develop a dermatological acquisition system based on HSI, employing 125 spectral bands captured between 450 and 950 nm. A database composed of 76 HS PSL images from 61 patients was obtained and labeled and classified into benign and malignant classes. A processing framework is proposed for the automatic identification and classification of the PSL based on a combination of unsupervised and supervised algorithms. Sensitivity and specificity results of 87.5% and 100%, respectively, were obtained in the discrimination of malignant and benign PSLs. This preliminary study demonstrates, as a proof-of-concept, the potential of HSI technology to assist dermatologists in the discrimination of benign and malignant PSLs during clinical routine practice using a real-time and non-invasive hand-held device.
Keywords: hyperspectral imaging; skin cancer; clinical diagnosis; biomedical optical imaging; medical diagnostic imaging hyperspectral imaging; skin cancer; clinical diagnosis; biomedical optical imaging; medical diagnostic imaging

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MDPI and ACS Style

Leon, R.; Martinez-Vega, B.; Fabelo, H.; Ortega, S.; Melian, V.; Castaño, I.; Carretero, G.; Almeida, P.; Garcia, A.; Quevedo, E.; et al. Non-Invasive Skin Cancer Diagnosis Using Hyperspectral Imaging for In-Situ Clinical Support. J. Clin. Med. 2020, 9, 1662. https://doi.org/10.3390/jcm9061662

AMA Style

Leon R, Martinez-Vega B, Fabelo H, Ortega S, Melian V, Castaño I, Carretero G, Almeida P, Garcia A, Quevedo E, et al. Non-Invasive Skin Cancer Diagnosis Using Hyperspectral Imaging for In-Situ Clinical Support. Journal of Clinical Medicine. 2020; 9(6):1662. https://doi.org/10.3390/jcm9061662

Chicago/Turabian Style

Leon, Raquel, Beatriz Martinez-Vega, Himar Fabelo, Samuel Ortega, Veronica Melian, Irene Castaño, Gregorio Carretero, Pablo Almeida, Aday Garcia, Eduardo Quevedo, and et al. 2020. "Non-Invasive Skin Cancer Diagnosis Using Hyperspectral Imaging for In-Situ Clinical Support" Journal of Clinical Medicine 9, no. 6: 1662. https://doi.org/10.3390/jcm9061662

APA Style

Leon, R., Martinez-Vega, B., Fabelo, H., Ortega, S., Melian, V., Castaño, I., Carretero, G., Almeida, P., Garcia, A., Quevedo, E., Hernandez, J. A., Clavo, B., & M. Callico, G. (2020). Non-Invasive Skin Cancer Diagnosis Using Hyperspectral Imaging for In-Situ Clinical Support. Journal of Clinical Medicine, 9(6), 1662. https://doi.org/10.3390/jcm9061662

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