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、腭部是较大多形性好发部位,而较小则易发生在唇、颊、龈、额、鼻唇沟部位。

Purpose Significance to study of the central sulcus,precentral and postcentral gyri by MR imaging,to determine its location for application of the clinic.

目通过使磁共振影像技术来研究中央沟及其相邻解剖结构在影像中特征性表现。