Figure 6. a, b.
Sagittal (a) and coronal multiplanar reformatted (b) temporal CT images show a petrosquamosal sinus (PSS) sulcus on the left, located on the upper portion of the petrous bone (arrows) and ending in the postglenoid foramen (PGF).
Sagittal (a) and coronal multiplanar reformatted (b) temporal CT images show a petrosquamosal sinus (PSS) sulcus on the left, located on the upper portion of the petrous bone (arrows) and ending in the postglenoid foramen (PGF).