Figure 6From: A novel fungus concentration-dependent rat model for acute invasive fungal rhinosinusitis: an experimental study Vascular invasion of A. fumigatus hyphae in sinus of rat with acute invasive fungal rhinosinusitis (AIFR). (A. Hematoxylin and eosin staining, ×40; B. Periodic acid–Schiff staining, ×40; C. Methenamine silver staining, ×40; D. MUC5B staining, ×40).Back to article page