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Trichophyton concentricum in skin lesions in children from the Salomon Islands.

Abstract

AIM

Aim of the paper was to report cases of Tinea imbricata, a mycosis caused by the anthropophilic dermatophyte Trichophyton concentricum, observed in 2012 in Guadalcanal, the largest of the Salomon islands.

METHODS

During 2012, several cases of Tinea imbricata, called bakwa by local people, were observed in the Little Samaritan Hospital in Guadalcanal. Skin scrapings collected from three young patients were examined in Italy to confirm the clinical diagnosis. The fungus grown on culture was morphologically identified and submitted to sequencing of the ITS1-ITS2 region.

RESULTS

The diagnosis obtained by visual inspection of the skin lesions, characterised by concentric and lamellar plaques of scale often involving large part of the body, was confirmed mycological investigations. A prevalence of 15% of Tinea imbricata in this population was hypothesized. The fungus grown on culture was morphologically identified as Trichophyton concentricum and identification was confirmed sequencing the ITS1-ITS2 region. Patients were treated with potassium permanganate solution soaked gauze followed by colloidal sulfur and salicylic acid cream application. However, the efficacy of the antifungal treatment was difficult to evaluate due to the poor compliance of the patients and the remoteness of the villages.

CONCLUSION

Italian clinicians and mycologists should be aware of this fungal infection because the increased number of international travels and of migration rise the spread of infections previously restricted to limited geographical areas.

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  • Authors+Show Affiliations

    ,

    Department of Biomedical Sciences, Università degli Studi di Milano, Milan, Italy - annamaria.tortorano@unimi.it.

    , , , ,

    Source

    MeSH

    Antifungal Agents
    Child
    Colloids
    Dermatomycoses
    Female
    Humans
    Male
    Medication Adherence
    Melanesia
    Potassium Permanganate
    Salicylic Acid
    Sulfur
    Tinea
    Trichophyton

    Pub Type(s)

    Case Reports
    Journal Article

    Language

    eng

    PubMed ID

    26333549

    Citation

    Esposto, M C., et al. "Trichophyton Concentricum in Skin Lesions in Children From the Salomon Islands." Giornale Italiano Di Dermatologia E Venereologia : Organo Ufficiale, Societa Italiana Di Dermatologia E Sifilografia, vol. 150, no. 5, 2015, pp. 491-4.
    Esposto MC, Lazzarini C, Prigitano A, et al. Trichophyton concentricum in skin lesions in children from the Salomon Islands. G Ital Dermatol Venereol. 2015;150(5):491-4.
    Esposto, M. C., Lazzarini, C., Prigitano, A., Olivi, A., Monti, M., & Tortorano, A. M. (2015). Trichophyton concentricum in skin lesions in children from the Salomon Islands. Giornale Italiano Di Dermatologia E Venereologia : Organo Ufficiale, Societa Italiana Di Dermatologia E Sifilografia, 150(5), pp. 491-4.
    Esposto MC, et al. Trichophyton Concentricum in Skin Lesions in Children From the Salomon Islands. G Ital Dermatol Venereol. 2015;150(5):491-4. PubMed PMID: 26333549.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Trichophyton concentricum in skin lesions in children from the Salomon Islands. AU - Esposto,M C, AU - Lazzarini,C, AU - Prigitano,A, AU - Olivi,A, AU - Monti,M, AU - Tortorano,A M, PY - 2015/9/4/entrez PY - 2015/9/4/pubmed PY - 2016/7/12/medline SP - 491 EP - 4 JF - Giornale italiano di dermatologia e venereologia : organo ufficiale, Societa italiana di dermatologia e sifilografia JO - G Ital Dermatol Venereol VL - 150 IS - 5 N2 - AIM: Aim of the paper was to report cases of Tinea imbricata, a mycosis caused by the anthropophilic dermatophyte Trichophyton concentricum, observed in 2012 in Guadalcanal, the largest of the Salomon islands. METHODS: During 2012, several cases of Tinea imbricata, called bakwa by local people, were observed in the Little Samaritan Hospital in Guadalcanal. Skin scrapings collected from three young patients were examined in Italy to confirm the clinical diagnosis. The fungus grown on culture was morphologically identified and submitted to sequencing of the ITS1-ITS2 region. RESULTS: The diagnosis obtained by visual inspection of the skin lesions, characterised by concentric and lamellar plaques of scale often involving large part of the body, was confirmed mycological investigations. A prevalence of 15% of Tinea imbricata in this population was hypothesized. The fungus grown on culture was morphologically identified as Trichophyton concentricum and identification was confirmed sequencing the ITS1-ITS2 region. Patients were treated with potassium permanganate solution soaked gauze followed by colloidal sulfur and salicylic acid cream application. However, the efficacy of the antifungal treatment was difficult to evaluate due to the poor compliance of the patients and the remoteness of the villages. CONCLUSION: Italian clinicians and mycologists should be aware of this fungal infection because the increased number of international travels and of migration rise the spread of infections previously restricted to limited geographical areas. SN - 1827-1820 UR - https://www.unboundmedicine.com/medline/citation/26333549/Trichophyton_concentricum_in_skin_lesions_in_children_from_the_Salomon_Islands L2 - http://www.minervamedica.it/index2.t?show=R23Y2015N05A0491 DB - PRIME DP - Unbound Medicine ER -