Allergic fungal sinusitis


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  • Histology

    • allergic mucin (ripples of mucin with eosinophils and inflammatory debris)
    • fungal hyphae
    • look for submucosal invasion

  • Microbiology

    • aspergillus most common
    • dematiaceous fungi

  • Ddx

    • invasive fungal sinusitis
    • mycetoma
    • inflammatory polyp
    		•