Mycobacterium marinum infection: a case report

AbstractThe infection by Mycobacterium marinum in humans is relatively uncommon. When it occurs, it mainly affects the skin, usually with a chronic, indolent and benign evolution. The diagnosis requires a high index of suspicion, and a significant delay may be observed between the first symptoms to...

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Main Authors: Christiane Salgado Sette, Patrick Alexander Wachholz, Paula Yoshiko Masuda, Renata Borges Fortes da Costa Figueira, Fernanda Rodrigues de Oliveira Mattar, Deise Godoy Ura
Format: Article
Language:English
Published: SciELO 2015-05-01
Series:Journal of Venomous Animals and Toxins including Tropical Diseases
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992015000100412&lng=en&tlng=en
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author Christiane Salgado Sette
Patrick Alexander Wachholz
Paula Yoshiko Masuda
Renata Borges Fortes da Costa Figueira
Fernanda Rodrigues de Oliveira Mattar
Deise Godoy Ura
author_facet Christiane Salgado Sette
Patrick Alexander Wachholz
Paula Yoshiko Masuda
Renata Borges Fortes da Costa Figueira
Fernanda Rodrigues de Oliveira Mattar
Deise Godoy Ura
author_sort Christiane Salgado Sette
collection DOAJ
description AbstractThe infection by Mycobacterium marinum in humans is relatively uncommon. When it occurs, it mainly affects the skin, usually with a chronic, indolent and benign evolution. The diagnosis requires a high index of suspicion, and a significant delay may be observed between the first symptoms to the final diagnosis. This present case reports a M. marinum infection in an immunocompetent patient that had a chronic undiagnosed injury on the dominant hand for at least five years. The patient had several medical consultations, without proper suspicion, hampering adequate diagnostic investigation. Histopathology detected tuberculoid granulomas, but showed no acid-fast bacilli. The culture in appropriate medium and the polymerase chain reaction-restriction enzyme analysis (PRA)-hsp65 confirmed the diagnosis. Treatment with clarithromycin (1 g/day) for three months was effective. Although uncommon, this infection is a contact zoonosis. Therefore, it is important for clinicians to be aware of this diagnosis and properly guide preventable measures to professionals that are in risk group.
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spelling doaj.art-6401b6f31bc54c419dd3828ff17d133d2022-12-22T01:01:20ZengSciELOJournal of Venomous Animals and Toxins including Tropical Diseases1678-91992015-05-0121010.1186/s40409-015-0008-9S1678-91992015000100412Mycobacterium marinum infection: a case reportChristiane Salgado SettePatrick Alexander WachholzPaula Yoshiko MasudaRenata Borges Fortes da Costa FigueiraFernanda Rodrigues de Oliveira MattarDeise Godoy UraAbstractThe infection by Mycobacterium marinum in humans is relatively uncommon. When it occurs, it mainly affects the skin, usually with a chronic, indolent and benign evolution. The diagnosis requires a high index of suspicion, and a significant delay may be observed between the first symptoms to the final diagnosis. This present case reports a M. marinum infection in an immunocompetent patient that had a chronic undiagnosed injury on the dominant hand for at least five years. The patient had several medical consultations, without proper suspicion, hampering adequate diagnostic investigation. Histopathology detected tuberculoid granulomas, but showed no acid-fast bacilli. The culture in appropriate medium and the polymerase chain reaction-restriction enzyme analysis (PRA)-hsp65 confirmed the diagnosis. Treatment with clarithromycin (1 g/day) for three months was effective. Although uncommon, this infection is a contact zoonosis. Therefore, it is important for clinicians to be aware of this diagnosis and properly guide preventable measures to professionals that are in risk group.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992015000100412&lng=en&tlng=enMycobacterium infectionsMycobacterium marinumCase reportGranuloma
spellingShingle Christiane Salgado Sette
Patrick Alexander Wachholz
Paula Yoshiko Masuda
Renata Borges Fortes da Costa Figueira
Fernanda Rodrigues de Oliveira Mattar
Deise Godoy Ura
Mycobacterium marinum infection: a case report
Journal of Venomous Animals and Toxins including Tropical Diseases
Mycobacterium infections
Mycobacterium marinum
Case report
Granuloma
title Mycobacterium marinum infection: a case report
title_full Mycobacterium marinum infection: a case report
title_fullStr Mycobacterium marinum infection: a case report
title_full_unstemmed Mycobacterium marinum infection: a case report
title_short Mycobacterium marinum infection: a case report
title_sort mycobacterium marinum infection a case report
topic Mycobacterium infections
Mycobacterium marinum
Case report
Granuloma
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992015000100412&lng=en&tlng=en
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AT patrickalexanderwachholz mycobacteriummarinuminfectionacasereport
AT paulayoshikomasuda mycobacteriummarinuminfectionacasereport
AT renataborgesfortesdacostafigueira mycobacteriummarinuminfectionacasereport
AT fernandarodriguesdeoliveiramattar mycobacteriummarinuminfectionacasereport
AT deisegodoyura mycobacteriummarinuminfectionacasereport