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.

• 结论腮腺、颌下腺、腭部是较大多形性腺瘤的好发部位,而较小的则易发生在唇、颊、龈、额、鼻唇沟部位。