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[Auricular chromoblastomycosis. A case report]

A L Bittencourt1, A T Londero, J A Andrade

  • 1Serviço de Anatomia Patológica, Hospital Prof. Edgard Santos, Faculdadade de Medicina, Universidade Federal da Bahia, Brasil.

Revista Do Instituto De Medicina Tropical De Sao Paulo
|July 1, 1994
PubMed
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This case study highlights a rare instance of auricular chromoblastomycosis, a fungal infection of the ear. Unlike previous cases caused by Fonsecaea pedrosoi, this infection was identified as Phialophora verrucosa.

Area of Science:

  • Dermatology
  • Mycology
  • Infectious Diseases

Background:

  • Chromoblastomycosis is a chronic fungal infection typically affecting the skin and subcutaneous tissues.
  • Auricular (ear) involvement is an exceptionally rare presentation of chromoblastomycosis.
  • Previous documented cases of auricular chromoblastomycosis have exclusively identified Fonsecaea pedrosoi as the causative agent.

Observation:

  • A case of chromoblastomycosis affecting the auricle is presented.
  • The clinical presentation mimicked eczematous lesions, posing a diagnostic challenge.
  • This specific localization highlights the varied clinical manifestations of chromoblastomycosis.

Findings:

  • The etiological agent identified in this case was Phialophora verrucosa.

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  • This finding contrasts with the established pattern of Fonsecaea pedrosoi in previously reported auricular cases.
  • This case expands the known spectrum of fungal species causing ear chromoblastomycosis.

    • Implications:

    • The identification of Phialophora verrucosa in auricular chromoblastomycosis broadens the etiological understanding of this rare condition.
    • Clinicians should consider chromoblastomycosis in the differential diagnosis of chronic eczematous lesions of the ear.
    • This case underscores the importance of mycological identification for accurate diagnosis and appropriate treatment of chromoblastomycosis.