Incidental findings in the thyroid gland on computed tomography images of the oral and maxillofacial region

  • Authors:
    • Abdullah Khasawneh
    • Yohei Takeshita
    • Miki Hisatomi
    • Toshiyuki Kawazu
    • Mariko Fujita
    • Shunsuke Okada
    • Yuri Namba
    • Yudai Shimizu
    • Yoshinobu Yanagi
    • Junichi Asaumi
  • View Affiliations

  • Published online on: January 13, 2020     https://doi.org/10.3892/ol.2020.11298
  • Pages: 2005-2010
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Abstract

The numbers of abnormal findings incidentally detected in adjacent regions are increasing with advances in imaging modalities. The present study aimed to examine the prevalence and characteristics of incidental findings in the thyroid gland on computed tomography (CT) images of the oral and maxillofacial region. CT scans of the oral and maxillofacial region in patients obtained between January 2012 and December 2016 were retrospectively reviewed. Images that revealed incidental findings in the thyroid gland, including nodules, were recorded, together with the sizes and characteristics of the findings. The Japan Association of Breast and Thyroid Sonology (JABTS) guidelines were used for classification. The rate of descriptions of these findings in the radiographic interpretation reports were also examined. Of the 1,135 patients examined, 326 (28.7%) had several types of incidental findings. In particular, 169 (14.9%) of the 1,135 patients had nodules >5 mm in diameter, for which further careful examination is recommended in the JABTS guideline. The description rate for nodules >5 mm in diameter in the radiographic interpretation reports was 30.8% (52/169 patients), of whom 17.3% (9/52 patients) were referred to the endocrinology department for further careful examination. Incidental findings in the thyroid gland were relatively common on CT images of the oral and maxillofacial region. Oral radiologists tend to focus specifically on the oral and maxillofacial region during diagnosis on oral and maxillofacial CT images, but should pay the same careful attention to observe adjacent regions, such as the thyroid gland.

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March 2020
Volume 19 Issue 3

Print ISSN: 1792-1074
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APA
Khasawneh, A., Takeshita, Y., Hisatomi, M., Kawazu, T., Fujita, M., Okada, S. ... Asaumi, J. (2020). Incidental findings in the thyroid gland on computed tomography images of the oral and maxillofacial region. Oncology Letters, 19, 2005-2010. https://doi.org/10.3892/ol.2020.11298
MLA
Khasawneh, A., Takeshita, Y., Hisatomi, M., Kawazu, T., Fujita, M., Okada, S., Namba, Y., Shimizu, Y., Yanagi, Y., Asaumi, J."Incidental findings in the thyroid gland on computed tomography images of the oral and maxillofacial region". Oncology Letters 19.3 (2020): 2005-2010.
Chicago
Khasawneh, A., Takeshita, Y., Hisatomi, M., Kawazu, T., Fujita, M., Okada, S., Namba, Y., Shimizu, Y., Yanagi, Y., Asaumi, J."Incidental findings in the thyroid gland on computed tomography images of the oral and maxillofacial region". Oncology Letters 19, no. 3 (2020): 2005-2010. https://doi.org/10.3892/ol.2020.11298