Unilateral Maxillary Sinus Actinomycosis with a Closed Oroantral Fistula

Figure 4

A postoperative coronal CT image demonstrating well-aerated right maxillary and ethmoid sinuses without mucosal thickening with a patent ostiomeatal complex after right maxillary antrostomy, middle turbinectomy, and anterior and posterior ethmoidectomy.