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Related Experiment Videos

Leishmanial blepharo-conjunctivitis.

A Nandy1, M Addy, A B Chowdhury

  • 1Division of Parasitology, Calcutta School of Tropical Medicine, India.

Tropical and Geographical Medicine
|July 1, 1991
PubMed
Summary
This summary is machine-generated.

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A rare case of Leishmania donovani caused blepharo-conjunctivitis was reported in India, linked to skin nodules. Direct self-inoculation is the suspected transmission route for this ocular leishmaniasis.

Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Parasitology

Background:

  • Leishmania donovani is a protozoan parasite known to cause visceral and cutaneous leishmaniasis.
  • Post kala azar dermal leishmaniasis (PKDL) is a chronic skin manifestation following visceral leishmaniasis.
  • Ocular involvement in Leishmania donovani infections is rare, particularly in the context of PKDL.

Observation:

  • A patient presented with blepharo-conjunctivitis and concurrent chin nodules characteristic of PKDL.
  • Leishmania donovani parasites were successfully isolated from the affected eye and cultured.
  • The patient had a 37-year history of localized chin skin lesions, suggesting a role for cell-mediated immunity.

Findings:

  • The study confirms a rare case of blepharo-conjunctivitis caused by Leishmania donovani.

Related Experiment Videos

  • Direct transmission from PKDL skin lesions to the eye via contaminated fingers is proposed as the mode of infection.
  • This represents the second documented instance of ocular Leishmania donovani infection in India.

    • Implications:

    • Highlights the potential for unusual presentations of leishmaniasis, including ocular involvement in PKDL.
    • Emphasizes the importance of considering parasitic infections in differential diagnoses of conjunctivitis, especially in endemic areas.
    • Suggests further investigation into the immunopathogenesis of long-standing PKDL and its potential for dissemination.