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28 February 2012 In vivo multiphoton imaging of human skin: assessment of topical corticosteroid-induced epidermis atrophy and depigmentation
Hassan Ait El Madani, Anne Colonna, Ana-Maria Pena, Armand Bensussan, Martine Bagot, Emmanuelle Tancrede, Alain Dupuy
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Journal of Biomedical Optics, Vol. 17, Issue 2, 026009 (February 2012). https://doi.org/10.1117/1.JBO.17.2.026009
Abstract
Multiphoton microscopy has emerged in the past decade as a promising tool for noninvasive skin imaging. Our aim was to evaluate the potential of multiphoton microscopy to detect topical corticosteroids side effects within the epidermis and to provide new insights into their dynamics. Healthy volunteers were topically treated with clobetasol propionate on a small region of their forearms under overnight occlusion for three weeks. The treated region of each patient was investigated at D0, D7, D15, D22 (end of the treatment), and D60. Our study shows that multiphoton microscopy allows for the detection of corticoid-induced epidermis modifications: thinning of stratum corneum compactum and epidermis, decrease of keratinocytes size, and changes in their morphology from D7 to D22. We also show that multiphoton microscopy enables in vivo three-dimensional (3-D) quantitative assessment of melanin content. We observe that melanin density decreases during treatment and almost completely disappears at D22. Moreover, these alterations are reversible as they are no longer present at D60. Our study demonstrates that multiphoton microscopy is a convenient and powerful tool for noninvasive 3-D dynamical studies of skin integrity and pigmentation.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2012/$25.00 © 2012 SPIE
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Hassan Ait El Madani, Anne Colonna, Ana-Maria Pena, Armand Bensussan, Martine Bagot, Emmanuelle Tancrede, and Alain Dupuy "In vivo multiphoton imaging of human skin: assessment of topical corticosteroid-induced epidermis atrophy and depigmentation," Journal of Biomedical Optics 17(2), 026009 (28 February 2012). https://doi.org/10.1117/1.JBO.17.2.026009
Published: 28 February 2012
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KEYWORDS
Skin
In vivo imaging
Multiphoton microscopy
3D image processing
Luminescence
Image processing
Electroluminescence
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