Comparison of the Diagnostic Efficacy of Ultrasound-Guided Core Needle Biopsy With 18-Versus 20-Gauge Needles for Thyroid Nodules
- Authors
- Ahn, Hye Shin; Seo, Mirinae; Ha, Su Min; Kim, Hee Sung
- Issue Date
- Nov-2018
- Publisher
- WILEY
- Keywords
- core needle biopsy; diagnostic efficacy; head and neck; invasive techniques; thyroid nodules; thyroid; parathyroid; ultrasound
- Citation
- JOURNAL OF ULTRASOUND IN MEDICINE, v.37, no.11, pp 2565 - 2574
- Pages
- 10
- Journal Title
- JOURNAL OF ULTRASOUND IN MEDICINE
- Volume
- 37
- Number
- 11
- Start Page
- 2565
- End Page
- 2574
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/595
- DOI
- 10.1002/jum.14614
- ISSN
- 0278-4297
1550-9613
- Abstract
- ObjectivesMethodsTo compare the diagnostic efficacy, complication rate, and core needle biopsy (CNB) specimen yield in 18- versus 20-gauge ultrasound (US)-guided CNB for diagnosis of thyroid nodules. We included 81 consecutive thyroid nodules with US-guided biopsy by a 20-gauge core needle and 86 consecutive thyroid nodules with US-guided biopsy by an 18-gauge core needle during 2 years. The rate of inconclusive results, including nondiagnostic or atypia/follicular lesion of undetermined significance, was compared. The diagnostic performance for malignancy was assessed in nodules with a final diagnosis. The complication rate and CNB specimen yield were also compared. ResultsConclusionsEighteen-gauge CNB showed a lower rate of nondiagnostic results (1.2% versus 8.6%; P=.024) than 20-gauge CNB; however, the rates of atypia/follicular lesion of undetermined significance and inconclusive results were not significantly different between the groups (P>.05). In addition, 18-gauge CNB showed higher sensitivity (75.0% versus 66.7%), a higher negative predictive value (83.9% versus 75.9%), and higher accuracy (78.3% versus 74.4%) for detecting malignancy than 20-gauge CNB, although the results did not achieve statistical significance. No major complications occurred in either of the CNB groups. The 18-gauge needle group had significantly fewer CNBs and larger specimen diameters (P<.001). Core needle biopsy with an 18-gauge needle could be more effective for the diagnosis of thyroid nodules than CNB with a 20-gauge needle.
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