Pseudomycetoma of the scalp caused by Microsporum canis

Pseudomycetoma is an extremely rare deep mycosis, caused by dermatophytic fungi that penetrate the tissue from infected follicles of tinea capitis. Both clinically and histopathology are similar to eumycetoma, being distinguished through the isolation of the fungus, which in the case of pseudomyceto...

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Veröffentlicht in:Anais brasileiros de dermatología 2020-05, Vol.95 (3), p.372-375
Hauptverfasser: Ruiz, Ligia Rangel Barboza, Zaitz, Clarisse, Lellis, Rute Facchini, Veasey, John Verrinder
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creator Ruiz, Ligia Rangel Barboza
Zaitz, Clarisse
Lellis, Rute Facchini
Veasey, John Verrinder
description Pseudomycetoma is an extremely rare deep mycosis, caused by dermatophytic fungi that penetrate the tissue from infected follicles of tinea capitis. Both clinically and histopathology are similar to eumycetoma, being distinguished through the isolation of the fungus, which in the case of pseudomycetoma can be Microsporum spp. or Trichophyton spp. genre. We present a 24-year-old man with an exuberant tumor in the occipital region with fistula, whose histopathological examination evidenced grains composed of hyaline hyphae and the culture for fungi isolated the agent Microsporum canis. Combined treatment of surgical excision followed by oral griseofulvin for two years was performed, with resolution of the condition.
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subjects DERMATOLOGY
Dermatomycoses - microbiology
Dermatomycoses - pathology
Dermatomycoses - surgery
Histology
Humans
Immunocompetence
Life Sciences & Biomedicine
Male
Microsporum
Microsporum - isolation & purification
Mycetoma
Mycetoma - microbiology
Mycetoma - pathology
Mycetoma - surgery
Scalp Dermatoses - microbiology
Scalp Dermatoses - pathology
Scalp Dermatoses - surgery
Science & Technology
Tinea
Tinea capitis
Treatment Outcome
Tropical/Infectoparasitary Dermatology
Young Adult
title Pseudomycetoma of the scalp caused by Microsporum canis
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