Those with heterogeneous enhancement were often of acquired etiology, such as ranula, lymphoma, neurilemmoma, parotid adenoma, metastatic nodes and tubercubus adenitis, etc.

• 至于那些有异质性加强的病变，通常属于后天性疾病，例如：舌下囊肿、淋巴瘤、神经鞘瘤、腮腺瘤、转移性淋巴结、结核性淋巴腺炎等。