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[Human subconjunctival dirofilariasis: two Tunisian case studies].

S Ziadi1, M Trimeche, S Mestiri

  • 1Laboratoire d'Anatomie et de Cytologie Pathologiques, CHU Farhat Hached, Sousse 4000, Tunisie.

Journal Francais D'Ophtalmologie
|October 7, 2005
PubMed
Summary

Two Tunisian children were diagnosed with subconjunctival dirofilariasis, a parasitic eye infection. One case involved Dirofilaria immitis, highlighting its presence in human cases in Tunisia.

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Area of Science:

  • Veterinary Ophthalmology
  • Parasitology
  • Public Health

Background:

  • Human dirofilariasis is a zoonotic parasitic disease caused by filarial worms of the genus Dirofilaria.
  • Subconjunctival dirofilariasis, a rare manifestation, occurs when these worms migrate to the space beneath the conjunctiva.
  • Tunisia has documented cases of human dirofilariasis, necessitating ongoing surveillance.

Observation:

  • Two pediatric cases of subconjunctival dirofilariasis were identified in Tunisia.
  • The patients were aged 8 and 10 years.
  • Clinical presentation involved nodules in the subconjunctival space.

Findings:

  • Histological examination of excised nodules confirmed the presence of Dirofilaria species.
  • The first case was identified as Dirofilaria immitis.

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  • The second case was identified as Dirofilaria repens.

    • Implications:

    • This report expands the geographic and clinical spectrum of human dirofilariasis in Tunisia.
    • The identification of Dirofilaria immitis in a pediatric ocular case underscores the importance of considering this parasite in endemic regions.
    • Accurate diagnosis through histological examination is crucial for appropriate management of subconjunctival dirofilariasis.