Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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The Prevalence of Thyroid Nodules and the Morphological Analysis of Malignant Nodules on Ultrasonography

갑상선 결절 유병률과 초음파 영상에서 악성소견 결절의 형태학적 분석

  • An, Hyun (Department of Radiology, Inje University Busan Paik Hospital) ;
  • Ji, Tae-jeong (Department of Radiological Science, Kaya University) ;
  • Lee, Hyo-young (Department of Radiological Science, Dongeui University) ;
  • Im, In-chul (Department of Radiological Science, Dongeui University)
  • 안현 (인제대학교 부산백병원 영상의학과) ;
  • 지태정 (가야대학교 방사선학과) ;
  • 이효영 (동의대학교 방사선학과) ;
  • 임인철 (동의대학교 방사선학과)
  • Received : 2019.05.20
  • Accepted : 2019.06.20
  • Published : 2019.06.30
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Abstract

The purpose of this study was to evaluate the prevalence of thyroid nodules and malignant findings of thyroid nodules in 1,954 patients (654 males and 1,300 females) aged 20 years or older who underwent thyroid ultrasound from January 2018 to December 2018. Examination of the thyroid gland was performed, and fine needle aspiration cytology was performed on the thyroid nodule. As a result, 108 (16.5%) out of 654 males and 368 (28.3%) out of 1,300 females showed higher prevalence than males. The prevalence of single nodules and multiple nodules in gender and age groups was significantly higher for women and for ages (male p=.001, female p=.001). There was a significant difference in males in the nodule size (p=.001) and no significant difference in females (p=.069). Fine - needle aspiration cytology of 476 patients with nodules was diagnosed as malignant in 46 patients (9.6%). Based on pathologic results, 383 benign and 93 malignant groups were analyzed. Ultrasonographic findings were as follows single nodule (p=.000), solid(p=.004), hypoechoic (p=.000), ill-defined peripheral boundary (p=.000), and calcification (p=.000), respectively. In the diagnosis of thyroid nodule, primary ultrasonographic findings through morphological classification of the nodules may reduce indiscriminate fine needle aspiration cytology in benign and malignant nodules.

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References

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