Dermoscopy (epiluminescence microscopy) is an in vivo technique that enables the clinician to visualize a variety of structures in pigmented cutaneous lesions that are not discernible by naked-eye examination. To identify the histologic correlates of these structures, a series of 71 pigmented neoplasms was documented photographically with and without dermoscopy. These lesions then underwent total excision and careful step-sectioning so that the resulting histologic slides could be correlated with the dermoscopic photographs. The histologic correlates of the pigment network, brown globules, black dots, blotches, hypopigmented areas, white areas, grey-blue areas, and whitish veil are identified. The structures seen under dermoscopy have specific histologic correlates. Understanding these histopathologic correlates will allow clinicians to better evaluate the dermoscopic features of pigmented lesions.
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