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Cutaneous infection with Tunga penetrans

A G Douglas-Jones1, M B Llewelyn, C M Mills

  • 1Department of Pathology, University of Wales College of Medicine, Heath Park, Cardiff, U.K.

The British Journal of Dermatology
|July 1, 1995
PubMed
Summary
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A traveler returned from Ivory Coast with a toenail lesion. Diagnosis confirmed tungiasis, an infection caused by the Tunga penetrans flea, a common ectoparasite.

Area of Science:

  • Medical Entomology
  • Dermatology
  • Tropical Medicine

Background:

  • Tunga penetrans, commonly known as the jigger flea, is an ectoparasite prevalent in tropical and subtropical regions.
  • Infestation typically occurs through direct contact with contaminated soil, leading to characteristic lesions.

Observation:

  • A 23-year-old male presented with a black lesion on his right great toenail after a 6-week stay in Ivory Coast.
  • The patient had returned from the Ivory Coast approximately one month prior to presentation.

Findings:

  • Histopathological examination of extruded material from the lesion revealed arthropod internal organs.
  • This led to a definitive diagnosis of tungiasis, an infection caused by the ectoparasitic flea Tunga penetrans.
  • Surgical curettage of the lesion successfully removed a gravid adult female flea.

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Implications:

  • This case highlights the importance of considering endemic ectoparasitic infections in travelers returning from affected areas.
  • Early diagnosis and treatment, such as surgical removal, are crucial for managing tungiasis and preventing secondary complications.
  • Increased awareness among healthcare professionals is necessary for prompt recognition and management of imported cases of tungiasis.