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Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
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Ultrasonographic Interval Changes in Solid Thyroid Nodules after Ultrasonography-Guided Fine-Needle Aspiration
Ik Jung Hwang1, Dong Wook Kim1, Yoo Jin Lee1
1Department of Radiology, Busan Paik Hospital, Inje University College of Medicine, Busan 47392, Korea.
Korean Journal of Radiology
|January 23, 2018
Summary
Ultrasonography (US) features of solid thyroid nodules (STNs) can change after US-guided fine-needle aspiration (US-FNA). Understanding these interval changes in STNs is crucial for effective nodule management.
Area of Science:
- Radiology
- Endocrinology
- Oncology
Background:
- Solid thyroid nodules (STNs) are common, and ultrasonography (US) is key for their evaluation.
- US-guided fine-needle aspiration (US-FNA) is a standard diagnostic procedure for STNs.
- Interval changes in US features of STNs post-US-FNA have not been previously studied.
Purpose of the Study:
- To assess the prevalence and characteristics of US interval changes in STNs following US-FNA.
- To identify factors associated with these post-FNA US interval changes.
Main Methods:
- Retrospective analysis of 257 STNs in 257 patients who underwent initial US and US-FNA.
- Follow-up US examinations were performed approximately 12 months post-FNA.
- Evaluation of US interval changes and correlation with various clinical and procedural factors.
Main Results:
- 13.6% of STNs exhibited interval changes in US features on follow-up.
- 6.6% of STNs developed new malignant US features post-FNA.
- No significant differences were found in patient demographics, nodule characteristics, or procedural factors between groups with and without interval changes.
Conclusions:
- US interval changes after US-FNA of STNs occur with a notable prevalence.
- Awareness of these interval changes is important for the clinical management of STNs.
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