Fig. 2

An isolated mucosal bulge with a red top located in the anteroinferior portion of the nasal septum (a) was subsequently ablated by MWA (b). An isolated mucosal bulge with a white top located in the anteroinferior portion of the nasal septum (c) was subsequently ablated by MWA (d). One week after ablation (e). Black arrows indicate the isolated mucosal bulge; red arrows indicate prominent vessels