Review Article Nonoptical Capacitance Imaging

American Journal of Clinical Dermatology

, Volume 11, Issue 2, pp 89-94

The Skin Landscape Following Nonoptical Capacitance Imaging

  • Emmanuelle Xhauflaire-UhodaAffiliated withLaboratory of Skin Bioengineering and Imaging, Department of Dermatopathology, University Hospital of Liège
  • , Gérald E. PiérardAffiliated withLaboratory of Skin Bioengineering and Imaging, Department of Dermatopathology, University Hospital of Liège
  • , Pascale QuatresoozAffiliated withLaboratory of Skin Bioengineering and Imaging, Department of Dermatopathology, University Hospital of LiègeDepartment of Dermatopathology, University Hospital Sart Tilman Email author 

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Abstract

Skin capacitance is an electrical property measurable at the level of the stratum corneum. Values are related to the moisture content of the tissue. Using the silicon image sensor technology, it has recently become possible to measure capacitance at 50 μm intervals on the skin surface. The resulting nonoptical picture corresponds to skin capacitance imaging. This novel tool for dermatologists highlights with precision the hollow skin surface patterns, including dermatoglyphics, the patterns of the shallow skin lines, and wrinkles. The topographic heterogeneity in skin surface hydration is made visible. In addition, the sweat gland and follicular openings are disclosed. Skin disorders induced by surfactants or presenting as hyperkeratotic areas, including some neoplasms, may show typical aspects. It is concluded that skin capacitance imaging brings added value to the clinical assessment performed by dermatologists.