二维超声及彩色多普勒超声对甲状腺癌的诊断价值分析

Diagnostic value of two dimensional ultrasonography and color Doppler flow imaging in thyroid carcinoma

目的分析二维超声及彩色多普勒超声(CDFI)对甲状腺癌的诊断价值。方法127例甲状腺疾病患者经病理诊断为甲状腺癌(恶性组)83例和甲状腺良性结节(良性组)44例。对比两组患者二维超声及CDFI特征;分析二维超声及CDFI各特征对甲状腺癌诊断的一致性,分析诊断价值。结果恶性组患者二维声像图回声明显低于良性组,CDFI血流分级明显高于良性组,差异均有统计学意义(P﹤0.01)。恶性组患者收缩期峰值流速(V_(max))、阻力指数(RI)均明显高于良性组,差异均有统计学意义(P﹤0.01)。二维超声联合CDFI诊断甲状腺癌的灵敏度为81.93%,特异度为97.73%,准确度为87.40%,与金标准的一致性为良(P﹤0.01)。二维超声及CDFI各项指标联合应用对甲状腺癌具有中等诊断价值,CDFI具有较低诊断价值(P﹤0.01)。结论二维超声及CDFI对甲状腺癌具有较高诊断价值与准确度,可为甲状腺癌的临床诊断提供必要参考。

Objective To analyze the diagnostic value of two dimensional ultrasonography and color Doppler flow imaging(CDFI)in thyroid carcinoma.Method A total of 127 patients with thyroid diseases were pathologically diagnosed thyroid carcinoma(malignant group,n=83)and thyroid nodules(benign group,n=44);the characteristics of two dimensional ultrasonography and CDFI were compared;the consistency of two methods and the diagnostic value were evaluated.Result The two dimensional ultrasonographic echo in malignant group was lower,CDFI higher than those in the benign group(P<0.01);velocity max(V_(max))and resistance index(RI)in the malignant group were higher than those in the benign group(P<0.01).The sensitivity,specificity and diagnostic accuracy of two dimensional ultrasonography combined with CDFI in diagnosing thyroid carcinoma were 81.93%,97.73% and 87.40%,respectively,which had good consistency with the gold standard(P<0.01);the combination of various indicators two dimensional ultrasonography and CDFI had moderate diagnostic value for thyroid carcinoma,while CDFI had low diagnostic value(P<0.01).Conclusion Two dimensional ultrasonography and CDFI has high diagnostic value and accuracy in thyroid carcinoma,which can provide necessary reference for the clinical diagnosis of thyroid carcinoma.