A clinical mimicker of melanoma with distinctive histopathology: Topical silver nitrate exposure.
melanoma
silver
silver nitrate
Journal
Journal of cutaneous pathology
ISSN: 1600-0560
Titre abrégé: J Cutan Pathol
Pays: United States
ID NLM: 0425124
Informations de publication
Date de publication:
Dec 2020
Dec 2020
Historique:
received:
03
03
2020
revised:
12
07
2020
accepted:
06
08
2020
pubmed:
18
8
2020
medline:
25
8
2021
entrez:
18
8
2020
Statut:
ppublish
Résumé
Exposure to silver-containing compounds can result in reversible discoloration of the skin, presenting as an irregular brown or black macule, which can have a clinical appearance similar to melanoma. Both the clinical scenario and the histopathology are unique. Silver nitrate darkens with exposure to light, and the area can appear to change over time. On microscopic examination, there are coarse pigmented granules dispersed throughout the corneal layer, and largely absent from the remainder of the epidermis-although the precise location may depend on the duration of topical exposure. While argyria, its irreversible counterpart, has been well-characterized, only a single source has previously reported the histopathology of transient topical silver nitrate exposure. We present two cases, review the clinical and histopathologic differentials, and detail the distinctive histopathology that enables a diagnosis to be suggested in this clinical mimicker of melanoma.
Substances chimiques
Anti-Infective Agents, Local
0
Silver Nitrate
95IT3W8JZE
Types de publication
Case Reports
Langues
eng
Sous-ensembles de citation
IM
Pagination
1205-1210Informations de copyright
© 2020 John Wiley & Sons A/S . Published by John Wiley & Sons Ltd.
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