What conditions are included in the differential diagnoses of mold-related allergic fungal sinusitis (AFS)?

Updated: Dec 02, 2020
  • Author: Shih-Wen Huang, MD; Chief Editor: Harumi Jyonouchi, MD  more...
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Allergic fungal sinusitis

Differential diagnoses include conditions that lead to chronic sinus diseases, including the following:

  • Immune deficiency

  • Ciliary dyskinesia

  • Aspirin hypersensitivity with nasal polyp

  • Anatomic defect with small ostium of sinus

  • Poorly treated sinusitis

Poor response to prolonged antibiotic treatment should raise the suspicion for allergic fungal sinusitis (AFS), and a workup for the disease should be initiated.

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