Strongyloidiasis is caused by Strongyloides stercoralis, a soil-transmitted nematode capable of autoinfection and chronic persistence for decades. In immunocompromised patients, hyperinfection syndrome can be life-threatening. Ivermectin is the treatment of choice.
Direct microscopic examination of stool for parasite eggs, cysts, and larvae — the traditional gold standard for intestinal parasitology.
Enzyme-linked immunosorbent assay detecting IgG/IgM antibodies against parasite-specific antigens — used for diagnosis, monitoring, and surveillance.
Complete blood count measuring absolute eosinophil count — elevated eosinophilia (>0.5 × 10⁹/L) is a key marker of tissue-invasive helminth infections.
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