Lesion Radiology Sinus Sphenoid Sphenoid Sinus Lesion Radiology Sphenoid Sinus Lesion Radiology JulieannhtyuiAtwell Thursday, March 30, 2017 Nasal and sinus tumors cedarssinai. Nasal and sinus tumors are benign or cancerous tumors that occur in the nose or sinuses. Cancerous nasal...