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、较大多形腺瘤的好发位,而较小的则易发生在唇、颊、龈、额、鼻唇沟位。

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

目的通过使用共振影像技术来研究中央沟及其相邻解剖结构在影像中的特征表现。