Pretibial Lymphoplasmacytic Plaque in Children: Case Report and Review of the Literature

Abstract: An 8-year-old girl presented with a persistent 5 × 2-cm violaceous doughy plaque on the left lower leg. Histologic examination revealed hyperkeratosis, variable but mild epidermal hyperplasia, and vacuolar interface changes with melanin pigment incontinence confined to the papillary dermis. A diagnosis of pretibial lymphoplasmacytic plaque in children was made. This report outlines the clinical characteristics of this entity and a review of other cases reported in the literature. Correspondence: David N. Adam, MD, FRCPC, DABD, 95 Bayly Street West Suite G -02, Ajax, ON L1S 7K8, Canada (e-mail: dnadam@gmail.com). The authors declare no conflicts of interest. Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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