CASE
HISTORY / CLINIC:
Patient with marked xerostomia (dry
mouth) and slightly painful, symmetric, right-sided
preauricular swelling.
Discharge of slightly clear secretion from the orifice of the Stensen's duct
upon massaging the gland. In addition there's an even more pronounced dryness
of the eyes and discomfort in the proximal interphalangeal joints.
FINDINGS:
The parotid gland appears honeycomb-like
and hyperdense in the T2 image. The cystic portions appear partially hyperdense or hypodense.
The parotid gland appears extremely
hypodense on both sides in the non-contrast T2 image.
The parenchyma enhances after contrast administration while the cystic
portions remain hypodense.
DIAGNOSIS:
Sjörgren's syndrome
DIFFERENTIAL DIAGNOSIS:
Lymphoepithelial cysts
Web resources:
1) Amersham Health
2) Chorus
3) Pathologie Online