超声造影在甲状腺微小乳头状癌诊断中的应用价值分析

目的探讨超声造影在甲状腺微小乳头状癌(PTMC)诊断中的应用价值。方法选取甲状腺小结节患者70例,共计88个结节,分析各结节超声造影特征。结果88个结节中,PTMC共计54个,良性结节34个,PTMC与良性结节直径比较,差异无统计学意义(P>0.05)。PTMC结节增强时间慢进、低/等增强、增强后大小改变和边界不清的比例均明显高于良性结节,而环状增强比例明显低于良性结节,差异均有统计学意义(P<0.01)。PTMC结节PEAK、SImax、SImean均明显低于良性结节,差异均有统计学意义(P<0.01)。结论超声造影在PTMC诊断中有较好的应用价值,可提供影像征像及定量参数以便诊断。

The value of contrast-enhanced ultrasound in the diagnosis of papillary thyroid microcarcinoma

Objective To explore the value of contrast-enhanced ultrasound(CEUS)in the diagnosis of papillary thyroid microcarcinoma(PTMC).Method A total of 70 patients with 88 thyroid nodules were included in the analysis,the CEUS was applied to characterize the ultrasound profile of nodules.Result Of the 88 nodules,54 were PTMC,and 34 were benign ones,with no significant differences in the diameter between PTMC and benign nodules(P>0.05).The proportion of nodules with slow-in enhancement pattern,hypo-/iso-enhancement,size change after enhancement and unclear boundary in PTMC nodules were significantly higher than that in benign nodules,while circular enhancement were more common in benign nodules(P<0.01).The peak intensity(PEAK),maximum perfusion strength(SImax)and mean perfusion strength(SImean)of PTMC nodules were significantly lower than those of benign nodules(P<0.01).Conclusion CEUS is of high value in the diagnosis of PTMC,and may provide characterized imaging signs and quantitative parameters to facilitate the diagnosis of nodules.