Objective To explore the diagnosis value by acoustic halo sign in hepatocellular carcinoma.
前言：目的探讨“晕圈”在超声诊断原发性肝癌中的价值。
Results Direct signs:"target sign"(7 cases), "notch sign"(2 cases), "ring or halo sign"and "polypoid sign"(4 cases).
结果直接征象：“靶样征”7例，“脐凹征”2例，“环圈征、息肉样征”4例；
Nodules or consolidation with evidence of cavitary lesion had a higher sensitivity than the halo sign or air crescent sign in both groups.
结节或实变影内空洞形成较晕轮征、新月征更常见。
Another popular option is backlit or reverse channel letters, meaning that the LED modules light up the wall behind the sign, creating a halo effect.
另外一种比较受欢迎的应用是背光式槽型发光字，即LED模组通过照亮标识背后的墙面来创造光晕的效果。
Results Seven cases (63.6%) have multiple lesions with short burr and small cavity. Six (85.7%) of them have "halo" sign and 3 have bronchial ectasia.
结果7例（ 63 .6% ）为多病灶，可见短毛刺及小空洞，其中6例（ 85 .7% ）出现“晕”征，3例支气管壁增厚及支扩；
Results Seven cases (63.6%) have multiple lesions with short burr and small cavity. Six (85.7%) of them have "halo" sign and 3 have bronchial ectasia.
结果7例（ 63 .6% ）为多病灶，可见短毛刺及小空洞，其中6例（ 85 .7% ）出现“晕”征，3例支气管壁增厚及支扩；
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