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A small (about 3mm) bony defect is observed in the superior wall of the pneumatized lateral recess of the sphenoid sinus on the right side (lateral to the foramen rotundum). CSF fluid and anteromedial temporal lobe are seen herniating through the bony defect. CSF fluid tracks into the right side of the sphenoid sinus and the right ethmoidal air cells.
Empty sella is noted.