腮腺区是口腔颌面部肿瘤发病率较高的部位之一,其肿瘤可来源于腮腺及腮腺周围组织,肿瘤性质有良、恶性之分,此外,腮腺本身或腮腺区淋巴结的炎性病变也时有发生。由于其来源、性质的不同,治疗方法上也有所不同。故术前获正确诊断是非常重要的。现在诊断技术中除病理诊断,常规X线照片外, The parotid gland area is one of the sites with high incidence of oral and maxillofacial tumors. The tumor can be derived from the parotid gland and parotid gland tissue. The nature of the tumor is good and malignant. In addition, the parotid gland itself or the inflammatory lesions of the salivary gland lymph node also happens sometimes. Due to the different sources and properties, the treatment methods are also different. Therefore, it is very important to get a correct diagnosis before surgery. In addition to pathological diagnosis and conventional radiographs in diagnostic techniques,