Tinea Capitis and Tinea Corporis with a Severe Inflammatory Response due to Trichophyton tonsurans

Abstract

Trichophyton tonsurans is an anthropophilic dermatophyte, with a worldwide distribution, although its prevalence varies considerably between different geographical regions. Whereas in North America infections due to this fungus are exceptionally common, on the European continent they appear relatively seldom. Although T. tonsurans is primarily associated with tinea capitis, it can also be the cause of tinea corporis and tinea unguium. The course of infection is usually only mildly symptomatic. We describe here two cases of urease-positive T. tonsurans infections with atypically extensive cutaneous lesions and severe inflammatory responses. .

Erythematous Annular Plaques on a 9-Year-Old’s Arms and Chest

“…5 T. tonsurans is a dermatophyte that is more commonly linked with tinea capitis infections, 6 but it has also been associated with tinea corporis and can cause Majocchi’s granuloma in some cases. 7 Clinical signs of dermatophytosis in guinea pigs include alopecia, scaling and crusting, most commonly on the head, but often guinea pigs are asymptomatic, increasing the risk of transmission. 5 Subclinical tinea infections can be found in 1.4% to 30% of guinea pigs.…”

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“…This type of dermatomycosis is common among wrestlers and judo competitors. The source of infection are athletes and wrestling mats (Hryncewicz-Gwozdz et al, 2011).…”

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“…T. rubrum is a predominate cause of dermatophytosis, followed by T. mentagrophytes and T. tonsurans [17–20]. …”

“…Trichophyton species are pathogenic fungi causing superficial mycoses, commonly known as tinea infections, in various tissues of humans and other animals [ 16 ]. T. rubrum is a predominate cause of dermatophytosis, followed by T. mentagrophytes and T. tonsurans [ 17 – 20 ].…”