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- Title
Screw needle cytology of thyroid nodules is associated with a lower non-diagnostic rate compared to fine needle aspiration.
- Authors
Klooker, Tamira K.; Huibers, Anne; Hof, Klaas in't; van Dijkum, Els J. M. Nieveen; Phoa, Saffire S.; van Eeden, Susanne; Bisschop, Peter H.
- Abstract
Background: Fine needle aspiration (FNA) cytology is the method of choice to exclude malignancy in thyroid nodules. A major limitation of thyroid FNA is the relatively high rate (13-17%) of non-diagnostic samples. The aim of this study is to determine the diagnostic yield of a screw needle compared to the conventional FNA. Methods: We retrospectively analysed thyroid nodule cytology of all patients that underwent thyroid nodule fine needle or screw needle aspiration between July 2007 and July 2012 in a single academic medical centre. Cytology results were categorized according to the Bethesda classification system. Results: In total, 644 punctures of thyroid nodules from 459 patients were available for analysis. The screw needle was used 531 times, and the conventional fine needle 113 times. The percentage of non-diagnostic cytology was significantly lower in the screw needle samples than in the fine needle samples (3% vs 17%, P<0.001). Conclusion: This study shows a significantly better diagnostic performance of the screw needle compared to the conventional fine needle in cytology of thyroid nodules.
- Subjects
THYROID cancer diagnosis; CYTOLOGY; NEEDLE biopsy; THYROID gland; MEDICAL screening
- Publication
European Journal of Endocrinology, 2015, Vol 173, Issue 5, p677
- ISSN
0804-4643
- Publication type
Article
- DOI
10.1530/EJE-15-0337