The first report of a non-autochthonous human case of diphyllobothriosis in the state of Paraná, Brazil

Authors

  • Vanessa Camargo Mendes Laboratório de Análises Clínicas das Nações (LANAC), Curitiba, Paraná, Brazil, vcamargomendes@gmail.com https://orcid.org/0000-0001-7894-2864
  • Kelly de Oliveira Germano Universidade Federal do Paraná, Departamento de Patologia, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Laboratório de Insetos Vetores e Parasitos, Curitiba, Paraná, Brazil, kelly.oliveira1@ufpr.br https://orcid.org/0000-0002-7698-665X
  • Lucas Alexandre Farias de Souza Universidade Federal do Paraná, Departamento de Patologia, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Laboratório de Insetos Vetores e Parasitos, Curitiba, Paraná, Brazil, lucas.farias@ufpr.br https://orcid.org/0000-0001-9922-9734
  • Dámaso Angel Rubio Vargas Universidade Federal do Paraná, Programa de Pós-Graduação em Biologia Celular e Molecular, Laboratório de Toxicologia Celular, Curitiba, Paraná, Brazil, cubanum@gmail.com https://orcid.org/0000-0002-9711-1000
  • Francielly Maria Wilke Ramos Gos Universidade Federal do Paraná, Departamento de Patologia, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Laboratório de Insetos Vetores e Parasitos, Curitiba, Paraná, Brazil, franwilke.gos@gmail.com https://orcid.org/0009-0000-3643-8045
  • Ana Carolina de Oliveira Lago Private Medical Office, Curitiba, Paraná, Brazil, vcamargomendes@gmail.com https://orcid.org/0000-0003-2005-9088
  • Débora Rocio Klisiowicz Universidade Federal do Paraná, Departamento de Patologia, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Laboratório de Insetos Vetores e Parasitos, Curitiba, Paraná, Brazil, deborak@ufpr.br https://orcid.org/0000-0002-7699-0763
  • Magda Clara Vieira da Costa Ribeiro Universidade Federal do Paraná, Departamento de Patologia, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Laboratório de Insetos Vetores e Parasitos, Curitiba, Paraná, Brazil, magdaribeiro@ufpr.br https://orcid.org/0000-0003-0215-2596

DOI:

https://doi.org/10.5216/rpt.v54i2.82258

Abstract

Diphyllobothriosis is a zoonotic disease caused by consuming raw or undercooked fish contaminated with fish tapeworms, and it is emerging as a global public health issue. Although cases have been reported in several Brazilian states, this study describes the first non-autochthonous human case of diphyllobothriosis in Paraná, Brazil, specifically in Curitiba. The following case is presented: a 31-year-old woman developed symptoms after eating raw fish during a trip to Pucón, Chile. Molecular analysis of the expelled proglottids confirmed the presence of Diphyllobothrium species, with epidemiological evidence supporting the identification of Diphyllobothrium latum. This study is the first to report a non-autochthonous human case of diphyllobothriosis in Paraná, Brazil. This case highlights the importance of considering parasitic infections in the differential diagnosis of patients with gastrointestinal symptoms and a history of international travel, especially to regions where the disease is endemic.

KEY WORDS: Diphyllobothriosis; state of Paraná; Brazil; zoonosis.

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Published

2025-09-15

How to Cite

CAMARGO MENDES, Vanessa; DE OLIVEIRA GERMANO, Kelly; FARIAS DE SOUZA , Lucas Alexandre; RUBIO VARGAS, Dámaso Angel; WILKE RAMOS GOS, Francielly Maria; DE OLIVEIRA LAGO , Ana Carolina; ROCIO KLISIOWICZ , Débora; VIEIRA DA COSTA RIBEIRO, Magda Clara. The first report of a non-autochthonous human case of diphyllobothriosis in the state of Paraná, Brazil. Revista de Patologia Tropical / Journal of Tropical Pathology, Goiânia, v. 54, n. 2, p. 1–9, 2025. DOI: 10.5216/rpt.v54i2.82258. Disponível em: https://revistas.ufg.br/iptsp/article/view/82258. Acesso em: 5 dec. 2025.

Issue

Vol. 54 No. 2 (2025)

Section

CASE REPORT

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