Frequencies and malignancy rates of 6-tiered Bethesda categories of thyroid nodules according to ultrasound assessment and nodule size

Vivian Youngjean Park, Hye Sun Lee, Eun Kyung Kim, Jin Young Kwak, Jung Hyun Yoon, Hee Jung Moon

Research output: Contribution to journalArticle

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Abstract

Background: The malignancy risk of thyroid nodules differs according to Bethesda category, ultrasound features, and nodule size. Methods: In 2725 thyroid nodules that underwent ultrasound-guided fine-needle aspiration, frequencies and malignancy rates of Bethesda categories were compared according to size and ultrasound assessment. Results: When comparing the ultrasound suspicious nodules ≤10 mm and >10 mm, the frequency of the benign cytology was statistically higher in the >10 mm group, whereas the nondiagnostic and suspicious for malignancy cytology were higher in the ≤10 mm group. In ultrasound suspicious nodules ≤10 mm, the malignancy rate of the benign cytology group was higher but that of the suspicious for malignancy cytology group was lower than the >10 mm group. Conclusion: Benign and suspicious for malignant cytological results are more reliable in thyroid nodules >10 mm compared to ≤10 mm displaying suspicious ultrasound features.

Original languageEnglish
Pages (from-to)1947-1954
Number of pages8
JournalHead and Neck
Volume40
Issue number9
DOIs
Publication statusPublished - 2018 Sep

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Thyroid Nodule
Cell Biology
Neoplasms
Fine Needle Biopsy

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology

Cite this

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title = "Frequencies and malignancy rates of 6-tiered Bethesda categories of thyroid nodules according to ultrasound assessment and nodule size",
abstract = "Background: The malignancy risk of thyroid nodules differs according to Bethesda category, ultrasound features, and nodule size. Methods: In 2725 thyroid nodules that underwent ultrasound-guided fine-needle aspiration, frequencies and malignancy rates of Bethesda categories were compared according to size and ultrasound assessment. Results: When comparing the ultrasound suspicious nodules ≤10 mm and >10 mm, the frequency of the benign cytology was statistically higher in the >10 mm group, whereas the nondiagnostic and suspicious for malignancy cytology were higher in the ≤10 mm group. In ultrasound suspicious nodules ≤10 mm, the malignancy rate of the benign cytology group was higher but that of the suspicious for malignancy cytology group was lower than the >10 mm group. Conclusion: Benign and suspicious for malignant cytological results are more reliable in thyroid nodules >10 mm compared to ≤10 mm displaying suspicious ultrasound features.",
author = "Park, {Vivian Youngjean} and Lee, {Hye Sun} and Kim, {Eun Kyung} and Kwak, {Jin Young} and Yoon, {Jung Hyun} and Moon, {Hee Jung}",
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Frequencies and malignancy rates of 6-tiered Bethesda categories of thyroid nodules according to ultrasound assessment and nodule size. / Park, Vivian Youngjean; Lee, Hye Sun; Kim, Eun Kyung; Kwak, Jin Young; Yoon, Jung Hyun; Moon, Hee Jung.

In: Head and Neck, Vol. 40, No. 9, 09.2018, p. 1947-1954.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Frequencies and malignancy rates of 6-tiered Bethesda categories of thyroid nodules according to ultrasound assessment and nodule size

AU - Park, Vivian Youngjean

AU - Lee, Hye Sun

AU - Kim, Eun Kyung

AU - Kwak, Jin Young

AU - Yoon, Jung Hyun

AU - Moon, Hee Jung

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N2 - Background: The malignancy risk of thyroid nodules differs according to Bethesda category, ultrasound features, and nodule size. Methods: In 2725 thyroid nodules that underwent ultrasound-guided fine-needle aspiration, frequencies and malignancy rates of Bethesda categories were compared according to size and ultrasound assessment. Results: When comparing the ultrasound suspicious nodules ≤10 mm and >10 mm, the frequency of the benign cytology was statistically higher in the >10 mm group, whereas the nondiagnostic and suspicious for malignancy cytology were higher in the ≤10 mm group. In ultrasound suspicious nodules ≤10 mm, the malignancy rate of the benign cytology group was higher but that of the suspicious for malignancy cytology group was lower than the >10 mm group. Conclusion: Benign and suspicious for malignant cytological results are more reliable in thyroid nodules >10 mm compared to ≤10 mm displaying suspicious ultrasound features.

AB - Background: The malignancy risk of thyroid nodules differs according to Bethesda category, ultrasound features, and nodule size. Methods: In 2725 thyroid nodules that underwent ultrasound-guided fine-needle aspiration, frequencies and malignancy rates of Bethesda categories were compared according to size and ultrasound assessment. Results: When comparing the ultrasound suspicious nodules ≤10 mm and >10 mm, the frequency of the benign cytology was statistically higher in the >10 mm group, whereas the nondiagnostic and suspicious for malignancy cytology were higher in the ≤10 mm group. In ultrasound suspicious nodules ≤10 mm, the malignancy rate of the benign cytology group was higher but that of the suspicious for malignancy cytology group was lower than the >10 mm group. Conclusion: Benign and suspicious for malignant cytological results are more reliable in thyroid nodules >10 mm compared to ≤10 mm displaying suspicious ultrasound features.

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