CASE HISTORY / CLINIC:
Patient with a right-sided preauricular asymmetry that has been existing for years and a pronounced swelling on the right. The swelling is generally painful and very tender.


FINDINGS:
A relatively well defined hyperdense mass is seen in the right parotid gland in the non-contrast T1 image (no fat supression)
The mass appears hypodense in the fat supression T2 image.


DIAGNOSIS:
Lipoma of the parotid gland.


DIFFERENTIAL DIAGNOSIS:
Other benign mass lesions of the parotid gland.


Web resources:

1) Amersham Health
2) Medecoinfo