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目的分析亚急性甲状腺炎(SAT)的彩色多普勒超声显像特点,探讨彩色多普勒超声对SAT的诊断价值。方法分析37例经临床实验室检查及临床治疗后确诊的SAT患者及其同期年龄相当的30名健康体检者(对照组)的甲状腺超声资料。结果超声确诊32例,符合率为96.4%;误诊5例,其中结节性甲状腺肿3例,桥氏病1例,甲状腺癌1例。SAT患者呈弥漫性或病灶一侧叶轻中度肿大,甲状腺内出现多个或单发的低回声或无回声区,CDFI显示低回声区内血流不明显,周边血流丰富。与正常对照组相比,SAT患者前后径及左右径增大显著(P<0.01),SAT患者甲状腺上动脉收缩期峰值流速增高(P<0.01)。结论彩色多普勒超声对SAT的诊断有重要的应用价值。
Objective To analyze the characteristics of subacute thyroiditis (SAT) by color Doppler ultrasonography and to explore the diagnostic value of color Doppler ultrasound for SAT. Methods Thirty-seven thyroid ultrasound data of 37 healthy subjects (control group) with SAT diagnosed after clinical laboratory examination and clinical treatment and their age were analyzed. Results Ultrasound confirmed 32 cases, the coincidence rate was 96.4%; 5 cases were misdiagnosed, including 3 cases of nodular goiter, 1 case of bridge disease and 1 case of thyroid cancer. SAT patients were diffuse or lesion on one side of the light and moderate swelling, multiple or single thyroid appear hypoechoic or anechoic area, CDFI showed hypoechoic area is not obvious blood flow, peripheral blood flow is rich. Compared with the normal control group, the anteroposterior diameter and left and right diameter of SAT patients increased significantly (P <0.01). The peak systolic velocity of the thyroid artery in SAT patients increased (P <0.01). Conclusion Color Doppler ultrasound has important value in the diagnosis of SAT.