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.

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。

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

目的通过使磁共振影像技术来研究中央沟及其相邻解剖构在影像中的特征性表现。