患者,男性,46岁。曾因胆囊炎行B超检查,余无其它记载。本次B超体检时发现:双肾大小形态正常,被膜光滑,实质内见多枚大小不等高回声光团,边界多数清晰,亦有融合成团,内呈点、条状,无回声细网,周边呈“线环” 征:最大光团位右肾上极,大小为2.7cm×2.7cm,最小者为0.4cm×0.4cm,左肾较右肾数目多,如同怒放的“烟花”(图1)。双肾皮髓 Patient, male, 46 years old. Had cholecystitis B ultrasound examination, I no other records. The B-examination found: the normal size and shape of the kidneys, the film is smooth, see the real size ranging from many unequal-sized echo light group, most of the boundaries clear, there are fusion into a group, within the point, strip, no echo Fine mesh, the surrounding was “ring” sign: the largest light group right kidney on the pole, the size of 2.7cm × 2.7cm, the smallest of 0.4cm × 0.4cm, the number of left kidney more than the right kidney, as in the “Fireworks ”(figure 1). Double kidney and marrow