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Sonographic Characteristics and Interval Changes of Subacute Thyroiditis.

Yoo Jin Lee1, Dong Wook Kim2

  • 1Department of Radiology, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|June 16, 2016
PubMed
Summary

Sonography reveals that nodular subacute thyroiditis lesions are common and show varied changes over time. Follow-up imaging is key to understanding the evolving sonographic characteristics of this condition.

Keywords:
configurationfollow-uphead and neck ultrasoundsonographysubacute thyroiditisthyroid

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Area of Science:

  • Radiology
  • Endocrinology
  • Pathology

Background:

  • Subacute thyroiditis is an inflammatory condition of the thyroid gland.
  • Sonography is a primary imaging modality for evaluating thyroid abnormalities.

Purpose of the Study:

  • To assess sonographic characteristics of subacute thyroiditis.
  • To analyze interval changes in subacute thyroiditis lesions using follow-up sonography.

Main Methods:

  • Retrospective analysis of sonographic examinations in 85 patients with suspected subacute thyroiditis.
  • Categorization of lesions as nodular or non-nodular.
  • Classification of interval changes based on follow-up sonograms.

Main Results:

  • Subacute thyroiditis confirmed in 64 patients; nodular lesions were prevalent.
  • Common interval changes included disappearance, decrease, and eventual reduction in size.
  • No significant difference in interval changes between nodular and non-nodular lesions.

Conclusions:

  • Nodular lesions are frequently observed in subacute thyroiditis on sonography.
  • Sonographic findings in subacute thyroiditis demonstrate variable interval changes.