Abstract：Objective: To explore the ultrasonographic features and misdiagnosis of nodular cystic goiter. Methods: A retrospective analysis was performed on 64 patients admitted to our hospital from January 2016 to June 2020 who were misdiagnosed by pre-operative ultrasound as thyroid adenoma and other thyroid sarcoidosis and diagnosed by post-operative pathological examination as nodular goiter cystic degeneration. Sixty-four patients with nodular cystic goiter were selected as the observation group, and 24 patients with thyroid adenoma diagnosed by ultrasound and pathology were selected as the control group. The ultrasonographic features of patients with nodular goiter, the comparison of ultrasonographic findings between nodular goiter cystic degeneration and thyroid adenoma, and the ultrasonographic features of patients with nodular goiter who were misdiagnosed as other thyroid nodular lesions were analyzed. Results: The ultrasonographic images of nodular goiter cystic variable nodules were mainly characterized by clear boundaries, complete nodules, mostly enveloped, and no halo. Compared with thyroid tumor, there was no significant difference between the two lesions (P>0.05).There were significant differences in envelop, echo and halo between the two groups (P<0.05).The ultrasonographic features are similar to those misdiagnosed as other thyroid diseases. Conclusion: The ultrasonographic images of nodular cystic goiter are complex and diverse, and the main reasons for misdiagnosis are the lack of understanding of the complex and diverse echogenicity of nodular cystic goiter and the unclear analysis of thyroid nodule capsule, echo, halo and other aspects. Moreover, they are often misdiagnosed as thyroid adenoma.
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2020, Vol. 26 
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