Saprophytic fungal disease

Saprophytic fungal disease is a superficial growth of fungus on mucopurulent crusts within the sinonasal cavity. This is occasionally seen on the crusts that form after sinus surgery. The hyphae are not found invading the nasal mucosa or deeper tissues. Treatment involves simple removal of the crusts along with the resident hyphae. The prognosis is excellent and residual crusts can be loosened and washed free with the addition of nasal irrigation. There is no role for steroids or antifungal therapy.

FIGURE 1 Axial image of a three-dimensional reconstructed maxillofacial CT scan in a patient confirmed at the time of surgery to have a left maxillary sinus fungus ball. Abbreviation: CT, computed tomography.

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