Fig. 2

CT and MR images of representative patients’ parotid glands. From left to right: S1: 57-yr old male with squamous cell carcinoma of the nasopharynx, S2: 82-yr old female with melanoma of nasal cavity, S3: 61-yr old male with squamous cell carcinoma of the nasopharynx, and S4: 69-yr old male with carcinoma ex pleomorphic adenoma of eye. Images are displayed using the same window and level