PMC9527835_01
Photomicrograph showing (a) Multiple sinus openings in relation to attached gingiva of 13-23 region (black arrow) (b) Nasal discharge with apparently normal palatal mucosa (white arrow) (c) CBCT with osteolytic changes involving bilateral maxillary sinus with thinning of palate. CBCT: Cone-beam computed tomography
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On examination, swelling was present in relation to the left maxillary sinus [Figure 1a]. The palatal mucosa appeared normal [Figure 1b]. Cone-beam computed tomography revealed osteolytic changes involving bilateral maxillary sinus with thinning of palate and haziness in the right and left maxillary sinus [Figure 1c].
Photomicrograph showing (a) Aspergillus fruiting bodies dissipating spores, (b) Fruiting bodies (black arrow) with Mucor hyphae (yellow arrow), (c) Numerous broad aseptate hyphae, (d) Narrow septate hyphae (black arrow), broad aseptate hyphae (green arrow), broad tortuous Mucor hyphae (yellow hyphae), and hyphae showing branching (dark blue arrow)
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On histopathological examination, numerous tightly packed thin septate hyphae branching at acute angle along with many fruiting bodies (conidial heads) were evident [Figure 2a and b]. Several areas of broad aseptate hyphae branching at 90  and aseptate broad hyphae branching at obtuse angle were also present [Figure 2c and d].