Fig. 2From: Sternberg’s canal: a rare site of CSF leak—our experience and management of a series of cases at a tertiary care hospital in South IndiaLine diagram showing the endoscopic anatomy in the sphenoid sinus. ON, optic nerve; LOCR, lateral opticocarotid recess; ICA, internal carotid artery; LRSS, lateral recess of sphenoid sinusBack to article page