90% found in parotid. 60% of parotid tumours.
Small, painless, slow growing lump, usually over angle of mandible.
Fine needle aspiration. Epithelial nests or cords in a hyaline or chondroid matrix.
May grow to grotesque size if left.
Carcinomatous transformation (10% at 15 years).
Local recurrence common (up to 25%). Gustatory sweating (7%).
Excision. Resistant to radiotherapy.