Effects of Implementation of European Thyroid Imaging Reporting and Data System Risk Stratification in a Thyroid Cancer Program in Western Sweden: A Retrospective Cohort Study
Authors' conclusion
Implementation of EU-TIRADS in routine management of thyroid nodules led to the selective use of FNAC; however, the clinical impact was limited. This study provides real-world data on the value and magnitude of diagnostic improvement by implementing EU-TIRADS in clinical practice.
Study context
- Population
- Patients referred to Sahlgrenska University Hospital for palpable, newly detected or growing thyroid nodules or a PET-positive finding, for thyroid US and selective cytology, 2018–2022; European Thyroid Imaging Reporting and Data System (EU-TIRADS) implemented in 2017 in Western Sweden1,246 nodules
- Participants
- 990 patients
- Outcome
- Use of selective FNAC and EU-TIRADS distribution
Main finding
As reported in the abstract
- Nodules evaluated
- 1246
- Patients evaluated
- 990
- Distribution of EU-TIRADS 2 to 5, all examined nodules (number [percentage]), respectively
- 63 (5%), 462 (37%), 443 (36%), and 278 (22%)
- Fine needle aspiration cytology (FNAC) omitted, investigated patients
- 7%
- FNAC performed despite not fulfilling EU-TIRADS criteria or absence of PET-positive findings (nodules)
- 124 (10%)
- Rate of malignancy
- 33%
- Rate of malignancy in patients who underwent "unnecessary" FNAC
- 1/50
Observational data: associations, not effects.
Further findings
- Rate of malignancy
- 33%
- Rate of malignancy in patients who underwent "unnecessary" FNAC
- 1/50
Original publication
Effects of Implementation of European Thyroid Imaging Reporting and Data System Risk Stratification in a Thyroid Cancer Program in Western Sweden: A Retrospective Cohort Study. Endocr Pract. Published 28 May 2024. doi:10.
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