Rhinosporidiosis is an infection caused by rhinosporidium seeberi. This organism was first assumed to be a fungus, but recent studies reveal that it is a protist. Rhinosporidiosis affects the mucus membrane of nasopharynx, oropharynx, conjunctiva, rectum and external genitalia. Rhinosporidiosis is a chronic granulomatous infection of the mucous membranes. Traumatic inoculation from one site to another is quite common. Symptoms are:
• Nose obstruction
• Bleeding from nose
• Runny nose
• Postnasal discharge
• Nasal polyps
HOW IS RHINOSPORIDIOSIS DIAGNOSED?
Rhinosporidiosis may be confused with other granulomatous lesions of the nasal mucosa and skin, including aspergillosis, entomophthoromycosis, “nasal granuloma,” and cryptococcosis. Microscopic demonstration of spherules (sporangia) of R seeberi in biopsy specimens confirms the diagnosis. The spherules may be numerous, vary in size (up to 300 μm), have thick walls that stain periodic acid-Schiff positive, and contain endospores 4–19 μm in diameter. Developing stages of varying size without spores are distributed throughout the lesion.
HOW IS RHINOSPORIDIOSIS TREATED?
Surgical excision - wide excision with wide area electrocoagulation of the lesion base.Medical treatment is not so effective but treatment with a year-long course of dapsone has been reported
DID YOU KNOW?
Patients infected with Rhinosporidiosis are mostly diagnosed with inflamed nose and nasopharynx