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[Accidental cutaneous leishmaniasis]

N L Dillon1, H O Stolf, E L Yoshida

  • 1Departamento de Moléstias Infecciosas e Parasitárias, Dermatologia e Radiologia, Faculdade de Medicina de Botucatu-UNESP, Brasil.

Revista Do Instituto De Medicina Tropical De Sao Paulo
|July 1, 1993
PubMed
Summary

This study documents the third instance of cutaneous leishmaniasis transmission in a biological sciences student through laboratory research. Accidental hamster bite led to direct skin contact with Leishmania (Viannia) braziliensis amastigotes, causing infection.

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Area of Science:

  • * Parasitology
  • * Infectious Diseases
  • * Laboratory Safety

Background:

  • * Leishmaniasis is a parasitic disease caused by Leishmania species.
  • * Cutaneous leishmaniasis is the most common form, presenting skin lesions.
  • * Laboratory research involving Leishmania parasites carries a risk of accidental inoculation.

Observation:

  • * A biological sciences student was accidentally infected with Leishmania (Viannia) braziliensis.
  • * Infection occurred during an experiment involving the injection of amastigotes from infected hamsters into healthy animals.
  • * A hamster, likely exposed to the inoculum, bit the student's glove, leading to probable direct skin contact and transmission.

Findings:

  • * This represents the third reported case of cutaneous leishmaniasis acquired through laboratory accident.

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  • * The probable route of infection was direct contact of the parasite inoculum with the student's skin via a hamster bite.
  • * Leishmania (Viannia) braziliensis was identified as the causative agent.

    • Implications:

    • * Highlights the importance of stringent biosafety protocols in laboratories working with Leishmania.
    • * Underscores the risk of accidental inoculation and transmission of parasitic diseases in research settings.
    • * Emphasizes the need for continuous training and awareness regarding potential laboratory-acquired infections.