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甲状腺微小癌超声表现分析

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摘要 目的分析甲状腺微小癌(TMC)的超声声像图特征,提高对甲状腺微小癌的超声诊断。方法对84例甲状腺微小结节进行经术后病理证实的TMC为83例,分析其声像图特征,观察结节内部回声、边缘特征、血流分布及阻力指数(RI)。结果 83例甲状腺微小癌病均能检出病灶,术前超声准确诊断82个(符合率97.62%),误诊2个(误诊率为2.38%),甲状腺微小癌大多合并甲状腺其他疾病,二维大多表现为无包膜、类圆形、实质性低回声为主,形态不规则,内可见簇状分布的强光斑,部分伴颈部淋巴结转移,CDFI显示大多数病灶内能测及彩色血流信号。结论形态不规则、边界不清、低回声、纵横比>1、结节内钙化是TMC具有特征性的超声表现,了解这些特点有助于提高TMC的术前诊断水平。
出处 《浙江创伤外科》 2013年第5期752-753,共2页 Zhejiang Journal of Traumatic Surgery
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