TITLE: MRI of Head and Neck
Just deep to the right sternomastoid muscle is a T1 dark T2 bright fluid collection measuring 4.5 cm in craniocaudal dimension by 3.3 cm AP by 2.6 cm transverse. The wall is thin and demonstrating mild enhancement, but no internal enhancement is noted. No additional adenopathy in the neck is noted.
Diagnosis: metastatic lymph node focus from nasopharyngeal carcinoma