Snoring disease/ Nasal granuloma/ Nasal Schistosomiasis ( S. nasalis infection )
The
eggs in the nasal mucosa cause irritation, marked rhinitis with a mucopurulent
discharge which is manifested clinically by signs of coryza, sneezing, dyspnea
and snoring. Adult parasites cause dilation and thrombosis of the veins. In the
nasal mucosa there is granulomatous and small abscess containing eggs.
Chronically there is fibers tissue formation and proliferation of nasal
epithelium which may cause the nasal passage. The infection is confirmed by the
pressure of spindle shaped eggs in the nasal discharge.
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