PMC3132999_01
Computed tomographic (CT) images. Opacifications are present in the frontal, maxillary, anterior and posterior ethmoid, and sphenoid sinuses on both sides. A part of sphenoid bone is defective (arrows in B and C). (A) Coronal image showing opacity in the maxillary, ethmoid, and frontal sinuses. (B) Axial image. (C) Coronal image showing opacity present in the entire sphenoid sinus. A defect is also present in the sphenoid bone.
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The CT scan also showed pan-sinusitis, multilobular nasal polyps, and a defect of the sphenoid bone (Figures 1A-C).
Photomicrographs of sections obtained from nasal polyp and mucosa. (A) and (B) Hematoxylineosin stained sections. Magnifications are x200 (A) and x400 (B). (C) PAS staining. (D) Grocott staining. Many eosinophils have invaded the subepithelium in the nasal polyp and are sporadically detected in the mucosal fluid. There are no hyphae in the polyps with Grocott and PAS staining.. Abbreviation: PAS, Periodic Acid Schiff.
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No fungal hyphae were detected by Grocott and Periodic Acid Schiff (PAS) staining (Figures 2A-D).