<prompt> All are true for pleomorphic adenoma except:Arises from parotidMay turn into malignantMinor salivary gland can be affectedNone  <response>: They represent 60-70 of all parotid tumors and 90 of submandibular benign tumors MC age group affected is fouh decade MC gland involved - parotid gland MC site affected in parotid gland is - tail of parotid gland They are slow growing painless tumors Histologically, they contain both epithelial and mesenchymal elements and are therefore called as mixed tumors. It can rarely undergo malignant transformation current otolaryngology 2nded TOC - Surgery - Complete surgical i.,xcision of the tumor with uninvolved margins is the recommended treatment Prognosis is excellent with a 95 non-recurrence rate. 