In our opinion, ultrasound possesses definite characteristics for accurate diagnosis of the disease or to prompt malignant tendancy in certain situation.

• 结论腮腺多形性腺瘤超声表现各异,与其组织学多形性密切相关,超声图像有一定特异性,可作出较准确的诊断,结合彩色多普勒血流特点,有可能提示恶变倾向。