What is the role of nasal cytology in the workup of mold-related allergic fungal sinusitis (AFS)?

Updated: Sep 18, 2017
  • Author: Shih-Wen Huang, MD; Chief Editor: Harumi Jyonouchi, MD  more...
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Answer

This test is most critical for establishing the diagnosis. Mucus samples are obtained. If positive, they should contain clinically significant amounts of eosinophils, Charcot-Leyden crystals, and hyphae of fungi (A fumigatus or Bipolaris, Curvularia, Alternaria, Exserohilum, Helminthosporium, or Rhizomucor species). 


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