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ENDONASAL LEISHMANIASIS IN A FROZEN SECTION BIOPSY SPECIMEN.
Alma Demirović1, Marko Grgić2,3, Božo Krušlin1,3
1University Department of Pathology and Cytology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia.
Acta Clinica Croatica
|December 4, 2025
Summary
A rare case of endonasal leishmaniasis, a nasal infection caused by Leishmania parasites, was diagnosed in a rheumatoid arthritis patient. This reactivation highlights the importance of considering leishmaniasis in immunocompromised individuals.
Area of Science:
- Infectious Diseases
- Parasitology
- Dermatology
Background:
- Leishmaniasis is a parasitic disease with diverse clinical presentations, often mimicking other conditions.
- Mucosal leishmaniasis, particularly isolated nasal involvement, is uncommon.
- Immunosuppressive therapies, such as corticosteroids and anti-TNFα agents, can predispose patients to parasitic infections and reactivation.

