Vol. 36 No. 4 (2019): August
Clinical Expreience

Ringworm of Trichophyton tonsurans outbreak in a basic school in Valparaíso, Chile

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  • Rodrigo Mauricio Cruz Choappa,
  • Constanza Yáñez H.,
  • Laura Carvajal S.,
  • Peggy Vieille,
  • Carolina Barrientos
Rodrigo Mauricio Cruz Choappa
Universidad de Valparaíso
Bio
Constanza Yáñez H.
Centro de Salud familiar de Placilla
Laura Carvajal S.
Universidad de Valparaíso
Peggy Vieille
Universidad de Valparaíso
Carolina Barrientos
Centro de Salud familiar de Placilla

Published 2019-08-25

Keywords

How to Cite

1.
Cruz Choappa RM, Yáñez H. C, Carvajal S. L, Vieille P, Barrientos C. Ringworm of Trichophyton tonsurans outbreak in a basic school in Valparaíso, Chile. Rev. Chilena. Infectol. [Internet]. 2019 Aug. 25 [cited 2025 Nov. 14];36(4). Available from: https://revinf.cl/index.php/revinf/article/view/238

Copyright (c) 2019 Rodrigo Mauricio Cruz Choappa, Constanza Yáñez H., Laura Carvajal S., Peggy Vieille, Carolina Barrientos

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

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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