Argyria - Case report Argiria - Relato de caso

A 70-year-old male rural worker was referred to our clinic with widespread grey pigmentation of the skin and nails. The condition had been asymptomatic for its entire duration (5 years). He reported past intranasal application of 10% Silver Vitellinate. A skin biopsy was performed and histology corr...

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Main Authors: André Lencastre, Maria Lobo, Alexandre João
Format: Article
Language:English
Published: Sociedade Brasileira de Dermatologia 2013-06-01
Series:Anais Brasileiros de Dermatologia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962013000300413
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author André Lencastre
Maria Lobo
Alexandre João
author_facet André Lencastre
Maria Lobo
Alexandre João
author_sort André Lencastre
collection DOAJ
description A 70-year-old male rural worker was referred to our clinic with widespread grey pigmentation of the skin and nails. The condition had been asymptomatic for its entire duration (5 years). He reported past intranasal application of 10% Silver Vitellinate. A skin biopsy was performed and histology corroborated the clinical diagnosis of Argyria. This case represents a currently rare dermatological curiosity. Although silver colloids and salts have been withdrawn and/or banned by some drug surveillance agencies, they continue to be freely sold and unregulated as food supplements and as ingredients in alternative medicines, thereby risking the emergence of new cases of silver poisoning.<br>Um homem de 70 anos, trabalhador rural, foi referenciado &#224; nossa consulta por dermatose assintom&#225;tica, com 5 anos de evolu&#231;&#227;o, caracterizada pela pigmenta&#231;&#227;o acinzentada generalizada da pele, mais evidente em &#225;reas fotoexpostas, e das l&#226;minas ungueais. Relatava no passado o uso prolongado de Vitelinato de Prata a 10%, por via nasal. Foi efetuado exame histol&#243;gico de biopsia cut&#226;nea que corroborou o diagn&#243;stico cl&#237;nico de Argiria. O caso representa uma curiosidade dermatol&#243;gica, atualmente rara. Apesar de abandonados e/ou proibidos por algumas institui&#231;&#245;es de farmacovigil&#226;ncia, a prata coloidal e sais de prata continuam a ser comercializados como suplementos alimentares, como parte de medicinas alternativas e sem regula&#231;&#227;o, podendo fazer ressurgir os casos associados &#224; toxicidade pela prata.
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spelling doaj.art-3aef2f6846fc4ed4acfd96c6ae2712622022-12-22T01:08:58ZengSociedade Brasileira de DermatologiaAnais Brasileiros de Dermatologia0365-05961806-48412013-06-01883413416Argyria - Case report Argiria - Relato de casoAndré LencastreMaria LoboAlexandre JoãoA 70-year-old male rural worker was referred to our clinic with widespread grey pigmentation of the skin and nails. The condition had been asymptomatic for its entire duration (5 years). He reported past intranasal application of 10% Silver Vitellinate. A skin biopsy was performed and histology corroborated the clinical diagnosis of Argyria. This case represents a currently rare dermatological curiosity. Although silver colloids and salts have been withdrawn and/or banned by some drug surveillance agencies, they continue to be freely sold and unregulated as food supplements and as ingredients in alternative medicines, thereby risking the emergence of new cases of silver poisoning.<br>Um homem de 70 anos, trabalhador rural, foi referenciado &#224; nossa consulta por dermatose assintom&#225;tica, com 5 anos de evolu&#231;&#227;o, caracterizada pela pigmenta&#231;&#227;o acinzentada generalizada da pele, mais evidente em &#225;reas fotoexpostas, e das l&#226;minas ungueais. Relatava no passado o uso prolongado de Vitelinato de Prata a 10%, por via nasal. Foi efetuado exame histol&#243;gico de biopsia cut&#226;nea que corroborou o diagn&#243;stico cl&#237;nico de Argiria. O caso representa uma curiosidade dermatol&#243;gica, atualmente rara. Apesar de abandonados e/ou proibidos por algumas institui&#231;&#245;es de farmacovigil&#226;ncia, a prata coloidal e sais de prata continuam a ser comercializados como suplementos alimentares, como parte de medicinas alternativas e sem regula&#231;&#227;o, podendo fazer ressurgir os casos associados &#224; toxicidade pela prata.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962013000300413ArgiriaCompostos de prataPigmentação da peleArgyriaSilver compoundsSkin pigmentation
spellingShingle André Lencastre
Maria Lobo
Alexandre João
Argyria - Case report Argiria - Relato de caso
Anais Brasileiros de Dermatologia
Argiria
Compostos de prata
Pigmentação da pele
Argyria
Silver compounds
Skin pigmentation
title Argyria - Case report Argiria - Relato de caso
title_full Argyria - Case report Argiria - Relato de caso
title_fullStr Argyria - Case report Argiria - Relato de caso
title_full_unstemmed Argyria - Case report Argiria - Relato de caso
title_short Argyria - Case report Argiria - Relato de caso
title_sort argyria case report argiria relato de caso
topic Argiria
Compostos de prata
Pigmentação da pele
Argyria
Silver compounds
Skin pigmentation
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962013000300413
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