2018
DOI: 10.3314/mmj.18-00006
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Tinea Corporis Due to <i>Trichophyton erinacei</i> Probably Transmitted from a Hedgehog

Abstract: A 26-year-old female homemaker presented with an approximately 2-month history of an erythematous lesion with agminated seropapules in the right popliteal fossa associated with scales and crusts. The lesion was initially treated as contact dermatitis, but there was no improvement. KOH examination revealed filamentous fungi. The fungal culture was positive, and the morphological characteristics were identical to those of Trichophyton mentagrophytes complex. The fungus was identified as T. erinacei based on gene… Show more

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Cited by 14 publications
(11 citation statements)
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“…In clinical practice, the name T. mentagrophytes is still used incorrectly to name dermatophytes that form powdery or cottony-white colonies with yellowish pigmentation on the back, and show multiseptate macroconidia, pyriform microconidia grouped in clusters, and spiral hyphae 3 . This error occurs for two reasons: first, dermatologists do not consider the possibility that all species comprising the T. mentagrophytes complex, including zoophilic fungi, can cause infection in humans 6 , and second, the identification of T. mentagrophytes is performed through the correlation of the clinical manifestations of the infection with a microscopic examination of the morphology, and eventually, in combination with physiological tests 10 , since these methods do not allow the differentiation between the four species of the T. mentagrophytes complex.…”
Section: Discussionmentioning
confidence: 99%
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“…In clinical practice, the name T. mentagrophytes is still used incorrectly to name dermatophytes that form powdery or cottony-white colonies with yellowish pigmentation on the back, and show multiseptate macroconidia, pyriform microconidia grouped in clusters, and spiral hyphae 3 . This error occurs for two reasons: first, dermatologists do not consider the possibility that all species comprising the T. mentagrophytes complex, including zoophilic fungi, can cause infection in humans 6 , and second, the identification of T. mentagrophytes is performed through the correlation of the clinical manifestations of the infection with a microscopic examination of the morphology, and eventually, in combination with physiological tests 10 , since these methods do not allow the differentiation between the four species of the T. mentagrophytes complex.…”
Section: Discussionmentioning
confidence: 99%
“…However, nowadays, only five species are considered-T. mentagrophytes, T. interdigitale, T. erinacei, T quinckeanum, and T. benhamie-as well as nine different genotypes of T. mentagrophytes / T. interdigitale associated with the geographical origin and the source of infection 5 . These species differ with regards to their ecological preferences; for example, T. interdigitale is anthropophilic and produces dispersal aerial mycelium with numerous conidia, while T. mentagrophytes is zoophilic and produces powdery colonies 6 . Conventionally, T. mentagrophytes (sensu lato) is identified based on its macro and microscopic features, and sometimes, for its physiological characteristics (hair perforation and urease activity), particularly in the case of atypical isolates 7,8 ; however, the results are usually uncertain due to phenotypic variations among isolates, such as the mycelial growth rate, the colour (white or beige) and appearance of colonies (powdery or velvety), the number of microconidia, the presence or absence of spiral filaments, etc 9 .…”
Section: Ivyspringmentioning
confidence: 99%
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“…The arthrospore is produced in tissue to the exclusion of conidia and is thought to be the mode of inter-animal transmission [27]. Trichophyton infections are reported most often in guinea pigs, and is common in dogs and cats, with other affected animal species including rabbits, hamsters, rats, chinchillas, and hedgehogs [28,[30][31][32]. Trichophyton mentagrophytes, which commonly infects animals can be broken down into three varieties: T. mentagrophytes var.…”
Section: Discussionmentioning
confidence: 99%
“…Amongst the varied classes represented, Eurotiomycetes is of particular importance as it includes Trichophyton amongst its many genera of pathogens. There is a prior report of A. benhamiae or T. mentagrophytes in a family of NAP in a Japanese zoo, and T. mentagrophytes was isolated from a South African porcupine, though it is important to note that the South African porcupine is not a closely related species to NAP [32,39]. There is a single case report outlining cutaneous mycosis in an individual NAP due to infection with the yeast-like Aureobasidium pullulans [40].…”
Section: Discussionmentioning
confidence: 99%