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.
切面实性均匀的为17例，其中高回声8例，等回声1例，低回声8例。
The gross pathological section of SRCC shows homogeneous solid in 17 cases, including hyperecho(8 cases), isoecho(1 case), and hypoecho(8 cases).
另2例强回声型和3例混合回声型血管瘤表现“早显影、早消退”特点，瘤体呈均匀增强回声团块。
The rest 2 strong echo and 3 mixed echo hemangiomas, displayed the characters of early echo enhancement and early disappearance, and the homogeneous enhancement were seen in hemangioma.
原发性肿瘤多表现为椭圆形或分叶状不均匀低回声肿块。
Oval or lobulated heterogeneous hypoechoes were the diagnostic features of primary omental tumors.
超示肿块为不均匀的低回声区。
On B - mode ultrasound, and inhomogeneous hypo-echoic mass was seen.
超示肿块为不均匀的低回声区。
On B - mode ultrasound, and inhomogeneous hypo-echoic mass was seen.
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