CASE HISTORY / CLINIC:
47-year-old with swollen lymph nodes behind the internal jugular vein on both sides of the neck. Recurring middle ear effusions on the right.


FINDINGS:
The post contrast axial CT image reveals a small hyperdense mass at the origin of the eustachian tube. The coronal images (lower picture) also demonstrate the same mass in the left nasopharynx, bordering on the skull base but showing no signs of invasion.


DIAGNOSIS:
Nasopharyngeal carcinoma


DIFFERENTIAL DIAGNOSIS:
Lymphoma
Other malignant nasopharyngeal tumor.


Web resources:

1) Amersham Health
3) Roche Lexikon Medizin
3) Medicine Worldwide
4) Pathologie Online