Effects of Cryotherapy on the Maxillary Antrostomy Patency in a Rabbit Model of Chronic Rhinosinusitis
Figure 4
The light microscopic findings of Masson’s trichrome (M&T) stained mucosa around the ostia at 4 weeks in cryotreated mucosa: subepithelial collagen fiber depositions stained with blue color (a), bar = 20 μm, were less prominent compared with saline-treated mucosa (b), bar = 20 μm.