Epidermal changes in active vitiligo

S. K. Hann, Y. K. Park, K. G. Lee, E. H. Choi, S. Im

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Abstract

Light and electron-microscopic studies were performed on the vitiligo and adjacent, normal appearing skin from 97 patients with actively spreading vitiligo and 19 patients with stable vitiligo. The vitiliginous skin revealed complete loss of pigment and melanocytes. In addition to degenerative changes in melanocytes, vacuolar changes of basal cells, epidermal infiltration of lymphocytes, dermal infiltration of lymphocytes, and melanophages in the upper dermis were also seen in the normal appearing skin adjacent to vitiliginous skin. These epidermal and dermal changes are more prominent in the skin of actively spreading vitiligo than in stable vitiligo. These findings suggest that the adjacent, normal appearing skin of actively spreading vitiligo shows some characteristic histopathologic findings, especially in the epidermis, indicating that cellular immunity could be involved in the pathogenesis of vitiligo.

Original languageEnglish
Pages (from-to)217-222
Number of pages6
JournalJournal of Dermatology
Volume19
Issue number4
DOIs
Publication statusPublished - 1992 Jan 1

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All Science Journal Classification (ASJC) codes

  • Dermatology

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