Conclusion The larger pleomorphic adenoma predominantly occur at the parotid,submaxillary gland or palate,while the smaller one at lip,bucca,gingiva,frons and nasolabial sulcus.

结论腮、颌下、腭是形性瘤的位,而小的则易生在唇、颊、龈、额、鼻唇沟位。