| Variable | Pleomorphic Adenoma | Carcinoma |
|---|---|---|
| Symptoms | - Painless swelling of the gland which does not increase with meals. | - Rapidly growing swelling manifestation of lingual or hypoglossal N. paralysis. |
| Signs | - Well defined, lobulated, freely mobile, firm or cystic in consistency. | - Hard swelling (at 1st mobile + later fixed, infiltration of skin & Nerves). |