Complications of sphenoid sinus surgery are all except:: (A) CSF leak, (B) Optic nerve injury, (C) Lateral rectus palsy, (D) Orbital emphysema
Answer is D. (d) Orbital emphysema(Ref. Cummings, 6th ed., 778)Orbital complications will follow maxillary, ethmoid and frontal sinus surgeries due to close proximity.