Two Cases of Allergic Fungal Sinusitis with Differing Postoperative Course

Figure 2

Pathological findings of Case 1. (a, b) Hematoxylin-eosin stain; eosinophilic infiltration at the nasal polyp is evident. (c) Grocott stain. Mycelia are evident in the eosinophilic mucin, but it is not possible to identify the fungus (black arrow). (d) Image from the polarizing microscope. Calcium oxalate crystals are evident in the eosinophilic mucin.