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한승우(Sungwoo Han),한정주(Jung Ju Han),김도현(Do Hyun Kim),김성원(Sung Won Kim) 대한두개저학회 2016 대한두개저학회지 Vol.11 No.2
Trans-sphenoid approach is useful surgical technique for sellar tumors. Sphenoid ostium is good for orientation in trans-sphenoid approach. Therefore it is important understanding anatomical variation of sphenoid ostium. There was one patient who had a mass in the clivus. We did trans-sphenoid approach and found double ostium of spenoid sinus on both side. It is an unprecedented case. For contribution of understanding the variation of sphenoid sinus, we report this case.