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Abstract
Dermoscopy is the most recent noninvasive method that aids
in the early diagnosis of pigmented skin lesions by giving physicians
a more detailed view of the skin that is possible with the naked eye.
Normally the skin appears opaque and thus underlying structures
cannot be adequately examined .Dermoscopy allows physicians to
visualize structures underneath the stratum corneum and has been
shown to increase diagnostic facilities for malignant melanoma and
other pigmented skin lesions.
There are two types of dermatoscope : non digital
dermatoscope and digital dermatoscope.
Non digital dermatoscope is usually a small hand-held skin
surface microscope with magnification fixed. It utilizes an incident
light magnification system in combination with oil immersion at the
skin dermatoscopic space. . The oil removes the normal scattering of
light at the stratum corneum rendering the epidermis translucent .
The vasculature and pigmentary pattern of the dermoepidermal
junction can be examined clearly.