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  Indian J Med Microbiol
 

Figure 7: (a) Preoperative axial computed tomography scan showing a bony defect at the lateral extension of the sphenoid sinus (arrow). (b) Intraoperative endoscopic view (45π scope). The lateral sphenoid recess (LR), the maxillary sinus (MS), and the sphenoid sinus (SS) are widely exposed after the dissection of the pterygopalatine fossa 8.

Figure 7: (a) Preoperative axial computed tomography scan showing a bony defect at the lateral extension of the sphenoid sinus (arrow). (b) Intraoperative endoscopic view (45π scope). The lateral sphenoid recess (LR), the maxillary sinus (MS), and the sphenoid sinus (SS) are widely exposed after the dissection of the pterygopalatine fossa 8.