Correlation between the size of incidental thyroid nodules detected on CT, MRI or PET-CT and subsequent ultrasound

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• 作者：Jennifer M. N&iacute ; Mhuircheartaigh ; ^{Jnimhuir@bidmc.harvard.edu" class="auth_mail" title="E-mail the corresponding author} ; Bettina Siewert ; Maryellen R. Sun
• 关键词：Thyroid ; Computed tomography ; Ultrasound ; Incidental
• 刊名：Clinical Imaging
• 出版年：2016
• 出版时间：November-December 2016
• 年：2016
• 卷：40
• 期：6
• 页码：1162-1166
• 全文大小：527 K

文摘

The aim of this study was to assess the relationship between size of thyroid nodules at computed tomography (CT), magnetic resonance imaging (MRI) or positron emission tomography CT (PET-CT), and size at ultrasound.

c_2">Materials and methods

We performed a retrospective review of thyroid ultrasound studies over a 2-year period.

c_3">Results

A total of 307 patients were included in the study. There was a statistically significant difference between the size of nodules measured on ultrasound compared with cross-sectional imaging (P < .001). American College of Radiology white paper recommendations would have decreased ultrasound referrals by 24% without any additional missed malignancies.

c_4">Conclusion

Cross-sectional imaging underestimates the size of thyroid nodules; however, the difference is small and likely not clinically significant.