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目的探讨超声诊断假阴性甲状腺癌的因素,分析假阴性结果的影像学表现,总结医学经验,从而为临床提供借鉴意义。方法选取我院2010年12月~2012年12月这些年内收治的假阴性甲状腺癌患者80例,设为观察组,另选取同时期真阳性甲状腺癌患者80例,设为对照组。然后收集两组患者的临床资料、影像学表现等,对其进行观察比较,并作回顾性分析。结果从病例年龄来看,观察组患者的平均年龄为34岁,对照组则为32岁,两组差异没有统计学意义(P>0.05)。超声诊断结果表明观察组患者一般伴有结节性甲状腺肿;观察组微小癌占比明显比对照组高,且观察组较对照组而言少有颈部转移性淋巴结。两组差异具有统计学意义(P<0.05)。结论假阴性甲状腺癌患者常常伴有其余疾病,在超声诊断的基础上再结合临床表现,可以提高诊断的正确率。
Objective To explore the diagnostic factors of false negative thyroid carcinoma by ultrasound, analyze the imaging findings of false negative results and summarize the medical experience, so as to provide reference for clinical application. Methods 80 cases of false-negative thyroid cancer admitted from December 2010 to December 2012 in our hospital were selected as the observation group. Another 80 patients with true positive thyroid cancer in the same period were selected as the control group. Then the clinical data and imaging findings of the two groups were collected and compared with each other for retrospective analysis. Results From the age of the patients, the average age of patients in the observation group was 34 years and that in the control group was 32 years. There was no significant difference between the two groups (P> 0.05). Ultrasonography showed that patients in the observation group were generally associated with nodular goiter. The proportion of the micro-cancer in the observation group was significantly higher than that in the control group, and there were few cervical metastatic lymph nodes in the observation group compared with the control group. The difference between the two groups was statistically significant (P <0.05). Conclusion False negative thyroid cancer patients often accompanied by other diseases, combined with clinical manifestations on the basis of ultrasound diagnosis, can improve the diagnostic accuracy.