Objective To evaluate the diagnosis evidence of malignant tumors in the parotid gland by using two -dimensional ultrasonography (2-d) and color Doppler flow imaging (CDFI).
目的：采用二维超声图像并结合彩色多谱勒血流显像探讨腮腺恶性肿瘤的超声诊断依据。
Objective To evaluate the diagnosis evidence of malignant tumors in the parotid gland by using two -dimensional ultrasonography (2-d) and color Doppler flow imaging (CDFI).
目的：采用二维超声图像并结合彩色多谱勒血流显像探讨腮腺恶性肿瘤的超声诊断依据。
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