PMC7355714_01
Axial CT head showing: almost total opacification of the right maxillary sinus with concentric soft tissues mass protruding into the nasal cavity deviating the nasal septum.
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Computerized tomography of the nose and sinuses showed a lobulated soft tissue mass occupying the right nasal cavity near the middle and inferior nasal turbinates protruding into the right nasopharynx (Fig. 1).
H & E staining: A- Low power magnification showing characteristic thick walled sporangia in various stages of development, containing endospores. B- High power view with numerous endospores noted within the sporangia.
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Subsequent histopathological examination demonstrated typical spores within the characteristic pathognomonic sporangia, confirming the diagnosis of naso-sinal Rhinosporidiosis (Fig. 2).