Abstract
Mid-dermal elastolysis is a rare idiopathic elastic tissue disorder that is characterized by localized patches of finely wrinkled skin and a "band-like" loss of elastic tissue in the mid-reticular dermis. Lesions may be preceded by erythema and/or urticaria, and histological examination of inflamed lesional skin may demonstrate lymphohistiocytic dermal infiltration. We report a case of mid-dermal elastolysis in a 31-year-old woman who developed multiple erythematous and urticarial plaques on the arms and trunk. Histologic examination of a representative lesion revealed a neutrophilic infiltrate and a normal pattern of elastic tissue. Several months later, the erythema and urticaria was noted to have resolved, leaving soft, pendulous plaques with overlying finely wrinkled skin. A follow-up biopsy at this time showed minimal lymphocytic inflammation but almost complete absence of elastic tissue in the mid-reticular dermis. To our knowledge, acute neutrophilic dermatosis resulting in mid-dermal elastolysis has not been previously described. This observation lends support to an emerging theory that the pathogenesis of mid-dermal elastolysis may be inflammatory.
Published Version
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