鉴别诊断包括恶性病变如表皮样瘤和转移瘤。
Differential considerations include malignancies such as epidermoid tumors and metastatic disease.
单纯的囊肿可能难以与蛛网膜囊肿或表皮样囊肿相鉴别，更复杂的囊肿可能会与颅咽管瘤或垂体腺瘤难以鉴别。
Simple cysts may be indistinguishable from arachnoid cysts or epidermoids. More complex cysts may be indistinguishable from a craniopharyngioma or pituitary adenoma.
资料与方法本组15例中涎腺混合瘤8例，海绵状血管瘤2例，鳞状细胞癌3例，黏液表皮样囊肿2例。
Materials and Methods 15 cases included 8 salivary gland mixed tumors, 2 capillary hemangiomas, 3 squamous cell carcinoma and 2 mucous epidermoid cyst.
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