Axial T1, Coronal T1 and Coronal T1 post contrast images of the neck show a mass in the
left parotid space. The mass involves both the superficial and deep portions of the
parotid and extends to the left skull base. It has ill-defined borders in the deep portions
of the parotid. The mass also appears to erode the left mandibular ramus. The mass has
low T1 signal and shows homogeneous enhancement.
Upper images: Axial T1 post contrast images of the neck confirm the enhancing mass in the
left parotid space. The mass extends from the superficial parotid gland through the deep
parotid into the parapharyngeal and carotid spaces. The mass also extends anteriorly into
the masticator space.
Lower images: Contrast CT of the chest show soft tissue nodules in the lungs bilaterally.
Key words: mri ct tumor neoplasia parotid skull base
Adenocystic carcinoma of parotid gland
with lung metastases