case_images: PMC7711179_01
case_images: Preoperative imaging. In coronal view, the preoperative CT shows thick mucosal swelling outlining the antrum. Expanded ethmoid air cells are found on the right side. Radiopaque fungal elements are present within the opacified ethmoid air cells.
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case_images: A computerized tomography (CT) scan of the paranasal sinuses showed thick mucosal swelling outlining the right maxillary sinus with expanded ethmoid sinus (Fig. 1).
case_images: PMC7711179_02
case_images: 10x H&E showing polypoid mucosa with chronic inflammation mainly of eosinophilic infiltration.
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case_images: Histopathology also reported the presence of eosinophilic infiltrate at the subepithelial and epithelial surfaces as well as the presence of fungal elements within the eosinophilic mucin (Fig. 2, Fig. 3, Fig. 4).
case_images: 60x GMS special stain that shows the fungal elements within the allergic mucin (not in the tissue).
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case_images: PMC7711179_02_gr4.jpg
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case_images: Histopathology also reported the presence of eosinophilic infiltrate at the subepithelial and epithelial surfaces as well as the presence of fungal elements within the eosinophilic mucin (Fig. 2, Fig. 3, Fig. 4).