结论无肿瘤病史时，发现双侧卵巢肿瘤尤其内有光滑无回声时应想到转移瘤的可能。
Conclusion Ovarian metastasis should be included in the differentiated diagnosis of ovarian masses, it was characterized by well defined masses with smooth hypoecho findings in bilateral ovaries.
结果：囊性淋巴管瘤的影像学特征为头颈部两侧或背侧的囊性包块，呈单囊或多囊表现，回声或信号可均匀或不均匀，病变范围可延伸至枕部或肩背部及纵隔。
Results:The cervical lymphangioma in fetus was characterized by a cystic mass, single or multilocular with septations, on the back or both sides of the neck, the echo and signal is uniform or not.
均以同一患者健侧对应部位做对照，观察皮肤及皮下组织厚度、回声特征及皮神经的宽度、回声特征。
Compared with the healthy side of the same patient, thickness and echo feature of the skin and subcutaneous tissue, the width and echo feature of the skin nerves were recorded.
良性肿瘤多表现为边界光滑，侧缘回声减弱，彩色多普勒不能检出或检出少量星点状血流信号。
In benign tumors, smooth edges and lateral echo attenuation were demonstrated, and they were of poor blood flow signals.
良性肿瘤多表现为边界光滑，侧缘回声减弱，彩色多普勒不能检出或检出少量星点状血流信号。
In benign tumors, smooth edges and lateral echo attenuation were demonstrated, and they were of poor blood flow signals.
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