
Keywords: Carotid canal; Carotid plexus; Petrous apex; Schwannoma; BOT; Balloon occlusion test; CC; Carotid canal; CP; Cavernous plexus; CS; Cavernous sinus; CSP; Carotid sympathetic plexus; GSPN; Greater superficial petrosal nerve; ICA; Internal carotid artery; IC