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  • 1.
    Bodén, Ida
    et al.
    Umeå University, Faculty of Science and Technology, Department of Chemistry. Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Nyström, Josefina
    Swedish University of Agricultural Sciences, Unit of Biomass Technology and Chemistry.
    Lundskog, Bertil
    Umeå University, Faculty of Medicine, Department of Medical Biosciences, Pathology.
    Zazo, Virginia
    Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Dermatology and Venerology.
    Geladi, Paul
    Swedish University of Agricultural Sciences, Unit of Biomass Technology and Chemistry.
    Lindholm-Sethson, Britta
    Umeå University, Faculty of Science and Technology, Department of Chemistry.
    Naredi, Peter
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Non-invasive identification of melanoma with near-infrared and skin impedance spectroscopy2013In: Skin research and technology, ISSN 0909-752X, E-ISSN 1600-0846, Vol. 19, no 1, p. e473-e478Article in journal (Refereed)
    Abstract [en]

    Background/purpose: An early diagnosis of cutaneous malignant melanoma is of high importance for good prognosis. An objective, non-invasive instrument could improve the diagnostic accuracy of melanoma and decrease unnecessary biopsies. The aim of this study was to investigate the use of Near infrared and skin impedance spectroscopy in combination as a tool to distinguish between malignant and benign skin tumours.

    Methods: Near infrared and skin impedance spectra were collected in vivo on 50 naevi or suspect melanomas prior to excision. Received data was analysed with multivariate techniques and the results were compared to histopathology analyses of the tumours. A total of 12 cutaneous malignant melanomas, 19 dysplastic naevi and 19 benign naevi were included in the study.

    Results: The observed sensitivity and specificity of the proposed method were 83% and 95%, respectively, for malignant melanoma.

    Conclusions: The results indicate that the combination of near infrared and skin impedance spectroscopy is a promising tool for non-invasive diagnosis of suspect cutaneous malignant melanomas. 

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