软骨改变：脱位侧大部分股骨头软骨边缘欠光滑；
Cartilaginous changes: The femoral head cartilage lacked smooth in most of dislocated hips.
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.
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.
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