Seorang pria berusia 49 tahun datang dengan massa parotis bilateral yang tumbuh lambat.  Apa diagnosis yang paling mungkin ?

Step 1 :
- Hasil FNA (Aspirasi Jarum Halus) Salivary Gland
FNAC Cytologi :
•Small cohesive sheets of oncocytes with abundant granular cytoplasm.
•Central round nucleus with prominent nucleolus
•Numerous lymphocytes with granular debris in the background.

Step 2 :
- Hasil Biopsi Salivary Gland
Histopatologi :
• Sections show a well circumscribed tumor with a papillary architecture.
•The papillae are lined by bilayered oncocytic epithelial cells with a surrounding lymphoid stroma, containing germinal centers.

Diagnosis :
Warthin Tumour (Papillary Cystadenoma Lymphomatosum)
Warthin tumor