Diagnosis was established by ultrasonography showing hypoechoic tumours without significant calcifications.
诊断，建立了超声显示低回声肿瘤无明显钙化。
Results There were 86 1% cases with splenomegaly and all cases with hypoechoic nodules in spleen before chemotherapy.
结果化疗前86 .1 %病例有脾脏肿大，所有病例脾内均有低回声病灶。
According to the plaque characteristics, objects were divided into non-plaque group, hyperechoic group and hypoechoic group.
根据斑块声像性质将研究对象分为无斑块组、高回声组和低回声组。
Ultrasound: Appears as a hypoechoic structure adjacent to the esophagus with posterior acoustic enhancement, consistent with a simple cyst.
超声：表现为邻近食管的低回声结构，后方可见回声增强，与单纯囊肿相一致。
The skin is echogenic. The subcutaneous fat layer is variable in thickness and is usually hypoechoic. The muscles reveal medium-level echoes.
皮肤表现不同回声，皮下脂肪层厚度存在差异，常表现为低回声，而肌肉表现为等回声。
Results:The similarities of neurilemma and neurofibroma were that both of them were oval, well defined, hypoechoic solid tumors and the nerves connected with the masses.
结果：神经鞘瘤和神经纤维瘤的超声表现是：两者都为实性低回声肿物，卵圆形，边界清晰，并可见肿物与神经纤维相连。
Results:The similarities of neurilemma and neurofibroma were that both of them were oval, well defined, hypoechoic solid tumors and the nerves connected with the masses.
结果：神经鞘瘤和神经纤维瘤的超声表现是：两者都为实性低回声肿物，卵圆形，边界清晰，并可见肿物与神经纤维相连。
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