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Allergia da contatto al laptop: dalla dermoscopia al patch test, passando per la microscopia laser confocale

Authors: MANDEL, Victor Desmond; BONZANO, Laura; DI TULLIO, Francesca; PELLACANI, Giovanni;

Allergia da contatto al laptop: dalla dermoscopia al patch test, passando per la microscopia laser confocale

Abstract

Si presenta il caso di una paziente caucasica di 46 anni con storia personale di atopia muta che presentava da alcuni giorni dermatite eritematosa delle cosce. La paziente riferiva intenso prurito in sede lesionale, non associato a sensazione urente-dolorosa né febbre. Nulla di rilevante si evidenziava alla raccolta anamnestica e, inoltre, negava l’assunzione di famaci a domicilio. All’esame obiettivo si osservava la presenza di un eritema disomogeneo a margini sfumati localizzato bilateralmente alla superficie anteriore delle cosce, più esteso all’arto di destra, con aspetto infiltrativo-infiammatorio. Tali lesioni non avevano aspetto di fugacità, non si erano estese nel tempo e persistevano fisse da 6 giorni. Nessuna alterazione si rilevava a carico delle mucose o di altri distretti corporei. Alla dermoscopia si osservavano i criteri della dermatite eczematosa: vasi puntiformi in una distribuzione a chiazze in associazione con desquamazione giallastra. Alla microscopia laser confocale si osservava spongiosi ed esocitosi a livello dell’epidermide, infiltrato infiammatorio, vescicole intraepidermiche ed edema a livello del derma papillare. Tale quadro deponeva per una dermatite allergica da contatto. Pertanto, veniva impostata una terapia con antistaminico orale alla sera per 15 giorni, clobetasolo propionato crema alla sera per 10 giorni ed una crema emolliente al mattino per 21 giorni. Alla visita di controllo dopo 21 giorni di terapia si osservava una completa remissione del quadro clinico senza esiti. Per confermare il sospetto diagnostico iniziale la paziente veniva successivamente sottoposta ad esecuzione di patch test serie SIDAPA con riscontro di positività per nichel solfato +++, positività clinicamente rilevante in quanto la paziente era solita mantenere il laptop a contatto con la sede di dermatite.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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