Legend Axial enhanced CT images show an enhancing mass in the superficial lobe of the left parotid gland. Note the irregular margins of the mass.

Legend MR Surface coil T1 Sagittal and Coronal (right and center), and Coronal T2 (left) images show T1 signal similar to adjacent muscle, and T2 signal that is isointense with the surrounding parotid. Note is made of extension beyond the parotid space laterally, and adjacent to the TMJ.

Legend Gadolinium enhanced fat saturated T1 Coronal (right) and Sagittal (left) images show enhancement of the mass, slightly greater than surrounding parotid. Key words: mri salivary tumor neoplasia

ENT Diagnosis: Squamous cell carcinoma of the parotid gland