Skin Infection due to <i>Trichophyton tonsurans</i> Still Occurs in People in Korea but not as Outbreaks

Lee, Weon Ju; Sim, Hyun Bo; Jang, Yong Hyun; Lee, Seok Jong; Kim, Do Won; Jun, Jae Bok; Bang, Yong Jun

doi:10.3346/jkms.2016.31.2.296

Cited by 11 publications

(11 citation statements)

References 4 publications

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“…T. tonsurans , M. canis , T. rubrum and T. interdigitale were identified as the aetiological agents using a molecular method which was similar to the one employed in a molecular epidemiological study of dermatophytosis conducted by Dogen et al Similarly, in previous studies, T. tonsurans has been reported as the most common aetiological agents of tinea gladiatorum . The reasons for the predominant causative nature of this species may include high durability to very low temperature, ability to survive under dry conditions and the anthropophilic nature of T. tonsurans arthrospores . In the present study, the only type of hair invasion was endothrix by T. tonsurans , whereas no cases of ectothrix and favic infections were observed.…”

Section: Discussionmentioning

confidence: 94%

Molecular epidemiology of Tinea gladiatorum in contact sports in northern Iran

Kermani

Moosazadeh

Hedayati

et al. 2020

Mycoses

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Summary Background Tinea gladiatorum as the major health concern among combat athletes and the most common cause of a decrease in the quality of their sports activities. Objectives This study aimed to determine the molecular epidemiology of tinea gladiatorum in contact sports in Mazandaran Province, Northern Iran. Materials/Methods In total, 631 suspected athletes out of 4240 ones were screened for tinea gladiatorum in this cross‐sectional study from May 2018 to February 2019. The infection was confirmed by direct microscopy and culture tests. The causative agents were identified by polymerase chain reaction‐restriction fragment length polymorphism method on ITS rDNA region. The indoor environmental factors were evaluated in 81 sports halls in terms of temperature (°C), humidity (%), density (m2/athletes) and the number of ventilators. Results Tinea gladiatorum was confirmed in 6.5% (278/4240) of the athletes. Tinea corporis was the most common type of tinea (192/278; 69.0%), and 175 cases (27.7%) had more than one type of tinea. Moreover, Trichophyton tonsurans (192/203; 94.5%) was the most aetiological agent in all athletes followed by Microsporum canis (6/203; 2.9%), Trichophyton rubrum (2/203; 0.9%) and Trichophyton interdigitale (1/203; 0.4%). There was no significant association between the prevalence of tinea gladiatorum and the indoor environmental factors. Conclusion T. tonsurans is the most common agent of tinea gladiatorum in Northern Iran. Since no positive culture of dermatophyte was obtained from mats, it seems that skin‐to‐skin contact would be the most probable mode of transmission among wrestlers. Accordingly, periodical checkups should be considered by health care providers.

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Section: Discussionmentioning

confidence: 94%

Molecular epidemiology of Tinea gladiatorum in contact sports in northern Iran

Kermani

Moosazadeh

Hedayati

et al. 2020

Mycoses

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“…Public health care and improved environmental conditions might lead to a decrease in the incidence of tinea capitis caused by T. verrucosum. Trichophyton tonsurans is a frequent cause of tinea capitis in teenagers, especially gladiators, such as judo players and wrestlers 13 . Although tinea capitis caused by T. tonsurans has spread to non-gladiators since 2000, it is still not common causative agent in adults.…”

Section: Discussionmentioning

confidence: 99%

Analysis of Adult Patients with Tinea Capitis in Southeastern Korea

et al. 2020

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Background: Tinea capitis is a cutaneous infection of dermatophytes and predominant in children. Although tinea capitis in Korea is controlled by oral antifungal medications and concerted public health initiatives, it's still a health issue. Objective: To investigate changes in the epidemiological and mycological characteristics of adult patients with tinea capitis in southeastern Korea. Methods: Using medical records from Kyungpook National University Hospital and Catholic Skin Clinic from 1989 to 2018, we retrospectively investigated the epidemiological and mycological characteristics of 266 adult patients (aged over 20) with tinea capitis. Results: Among total 266 patients, 239 were KOH-positive. The annual incidence of tinea capitis ranged from 3 to 18 between 1989 and 2018. Of the total, 54 (20.30%) were male and 212 (79.70%) were female. Eighty patients (30.08%) were in their seventies, the most commonly affected age group. Of the remaining, 58 (21.80%) were in their sixties, and 41 (15.41%) in eighties. Among all, 77 (28.95%) visited the hospital in summer, 72 (27.07%) in spring, 64 (24.06%) in winter, and 53 (19.92%) in fall. Dermatophytes were cultured from 171 patients. Microsporum canis was the most common dermatophyte (42.48%), while Trichophyton ru-brum was the second (15.79%). Of the 266 patients, 186 (69.92%) lived in urban areas and 80 (30.08%) in rural areas. Conclusion:The epidemiological and mycological characteristics of adult patients with tinea capitis were different from those of children in terms of annual incidence, sex distribution, and isolated dermatophytes. These results provide useful information for the treatment and prevention of tinea capitis. (Ann Dermatol 32(2) 109∼114, 2020

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“…Dentro del género Trichophyton, T. rubrum es el más frecuente en las distintas dermatofitosis reportadas en la mayoría de los países, incluido Chile; no obstante, T. tonsurans se considera un agente emergente en varias regiones del mundo 6,7,13 . En América del Sur se ha descrito la circulación de este agente en varios de los países, tanto en dermatofitosis de niños como en adultos 7, [14][15][16] .…”

Section: Discussionunclassified

Brote de tiña por Trichophyton tonsurans en una escuela básica de Valparaíso, Chile

Cruz

H.²,

et al. 2019

Rev. chil. infectol.

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Ringworm of Trichophyton tonsurans outbreak in a basic school in Valparaíso, Chile Background: Ringworm are skin and its annexes infections. Trichophyton tonsurans is an emergent anthropophilic fungus that might cause outbreaks. Aim: To describe a ringworm outbreak by T. tonsurans in an elementary school in Valparaíso, Chile. Methods: A descriptive study was run between June and August, 2018. Students and his closest relatives in contact with them who were clinically diagnosed with ringworm have been considered a case. Mycological studies of samples had been carried out through morphophysiology tests. Data are shown in numbers and percentages. Results: There were 18 cases, 16 kids (15 from kindergarten) and 2 adults. Attack rate was 68% in kindergarten. Nine cases were boys with average age of 6 years old. For 14 cases their nationality was Chilean and in 1 case Haitian. First case was a Chilean boy, and primary case was a Haitian boy. The most frequent location was face. Ten cases yielded positive cultures for T. tonsurans. Most of the patients needed terbinafine treatment after a therapeutic failure performed with clotrimazole. Conclusion: T. tonsurans outbreak ocurred mainly in kindergarten male. The most frequent location was face. Most of the patients needed terbinafine treatment after a therapeutic failure with clotrimazole.

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Skin Infection due to Trichophyton tonsurans Still Occurs in People in Korea but not as Outbreaks

Cited by 11 publications

References 4 publications

Molecular epidemiology of Tinea gladiatorum in contact sports in northern Iran

Molecular epidemiology of Tinea gladiatorum in contact sports in northern Iran

Analysis of Adult Patients with Tinea Capitis in Southeastern Korea

Brote de tiña por Trichophyton tonsurans en una escuela básica de Valparaíso, Chile

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