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Updated: Jul 18, 2026

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
Published on: November 10, 2014
Defining inappropriate thyroid biopsy?-Proposed definition based on clinical evidence and stakeholder engagement
Thao A Nguyen1, Juan P Brito2, Naykky Singh Ospina3
1Department of Medicine, University of Florida, Gainesville, FL, USA.
Assessing thyroid biopsy appropriateness involves more than just ultrasound risk. Factors like patient health, cancer risk, and preferences are crucial for determining if a biopsy is truly necessary.
Area of Science:
- Endocrinology
- Oncology
- Medical Quality Improvement
Background:
- Thyroid biopsies are common diagnostic procedures for thyroid nodules.
- Determining the necessity of a thyroid biopsy can be challenging, leading to potential overuse or underuse.
Purpose of the Study:
- To identify key factors for assessing thyroid biopsy appropriateness.
- To propose a practical pathway for defining inappropriate thyroid biopsies.
Main Methods:
- Comprehensive literature review of clinical guidelines and existing research on thyroid biopsy indications.
- Multidisciplinary expert panel consensus including patients, clinicians, researchers, and quality experts.
Main Results:
- Identified critical factors: ultrasound risk, symptoms, cancer suspicion, life expectancy, comorbidities, surgical risk, personal risk factors, thyroid function, local resources, and patient values.
- Developed a tiered classification system for thyroid biopsy appropriateness, starting with ultrasound findings and incorporating patient-specific elements.
Conclusions:
- Thyroid biopsy appropriateness assessment is feasible.
- While ultrasound risk is key, incorporating patient-specific factors like life expectancy and preferences is essential.
- Further work is needed to implement these factors effectively in clinical practice.
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