Figure 1: (a) Operative endoscopic view: Defect at fovea ethmoidalis. (b) Operative endoscopic view: Intracranial contents projecting through a defect in superolateral wall of sphenoid sinus. (c) Endoscopic view showing fascia tucked in inlay manner in the right sided defect at fovea ethmoidalis. Normal middle turbinate is visualized. (d) successive endoscopic view of the previous one, showing anterior half of middle turbinate rotated onto the defect. Posterior half of middle turbinate can be visualized