Two cases of primary endonasal leishmaniasis in Sardinia (Italy)
ATZORI Laura;ASTE Nicola;
2009-01-01
Abstract
Leishmaniasis is an endemic protozoan infection in Sardinia, one of the major islands of the Mediterranean Basin. We report two cases of endonasal primary Leishmaniasis, which is a very rare event in adult men who are immunocompetent, born in, and residents of Sardinia. The diagnosis was confirmed by the presence of intra and extracellular Leishmania amastigotes in the histological smear. Isoenzymatic characterization identified Leishmania infantum zymodeme MON-111 in both cases. Laboratory and instrumental investigations excluded visceral involvement. Treatment with meglumine antimoniate (Glucantim®) intralesional administration, 1ml weekly for 4-5 weeks, led to complete resolution. The unusual location is likely a reflection an uncommon site of inoculation of the protozoa, transmitted by flying vectors. The patients were a shepherd and a farmer, respectively, both professions at high risk of infection because of their habits of sleeping outdoors under trees or in country cottages during spring and summer and exposed to sand fly bites. Although mucosal involvement and infection by Leishmania infantum, a potential cause of visceral leishmaniasis, the Sardinian patients experienced a benign disease course considering mucocutaneous forms described in the New World. Differential diagnosis and early detection are necessary in order to start effective treatment and prevent more serious complications.File | Size | Format | |
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