What the heck is this new periductal hypoechoic sign?
新的导管周围低回声信号到底代表什么？
Results Small tumors in the two colons appeared as hypoechoic masses under the cyst.
目的探讨内置水囊法超声诊断直肠和乙状结肠小肿瘤的价值。
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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