Figure 6: 65 year old male patient with past history of cutaneous squamous cell cancer in the right parotid region with intra-parotid recurrence. A. Axial T1WI demonstrate iso-intense mass in the right parotid region with loss f infiltration of fat in the right stylomastoid foramen (yellow arrow). Note the normal fat in left stylomastoid foramen (white arrow). B. Post Gad fat suppressed axial T1WI demonstrate enhancement in the right stylomastoid foramen suggesting perineural invasion along the VII (Facial) nerve and note the lack of enhancement in the normal left stylomastoid foramen (curved arrow). Infiltrating mass in the right masticator space (arrow head) which extended along the V3 nerve through the auriculotemporal nerve. |