PMC8585617_01
Hematoxylin and eosin stain (400x) of sinus tissue demonstrating invasive fungal hyphae with acute angle branching and septations, consistent with Aspergillus species.
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Histopathology of the removed tissue showed tissue invasive branching septate fungal hyphae, consistent with invasive aspergillosis, as well as evidence of crushed pill material, which was thought to be due to snorting (Fig. 1).