Parotid mass status post surgery. There are interval postoperative findings related to right parotidectomy, lateral temporal bone resection, and neck dissection. There is fluid within the remaining right mastoid air cells. There is diffuse enhancement in the region of the surgical bed, but no gross tumor in the surgical bed or significant lymphadenopathy in the neck. However, there is persistent enhancement along the remaining portion of the right labyrinthine segment and canalicular segment of the right facial nerve. There are denervation changes involving the right facial muscles. There is no significant cervical lymphadenopathy. The osseous structures appear to be intact. There are bilateral lens implants.
Interval postoperative findings related to right parotidectomy, lateral temporal bone resection, and neck dissection with no evidence of gross tumor in the surgical bed or significant lymphadenopathy in the neck. However, persistent enhancement along the remaining portion of the right labyrinthine segment and canalicular segment of the right facial nerve may represent residual perineural tumor.