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KMID : 0361820060250040199
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Journal of the Korean Society of Medical Ultrasound
2006 Volume.25 No. 4 p.199 ~ p.204
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US Guided Fine-needle Non-suction Technique: A Useful and Comfortable Method for Thyroid Nodule
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Lee Jong-Hwa
Shin Sang-Hun
Choi Seong-Hoon
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Abstract
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Purpose : The purpose of this study is to evaluate whether ultrasound (US)-guided fine-needle non-suction technique is more comfortable and useful than the conventional suction technique for the cytopathologic evaluation of thyroid nodules.
Materials and Methods : Cytopathologic findings at consecutive fine-needle non-suction biopsies of 415 thyroid nodules in 262 patients were retrospectively reviewed. The procedure was performed by non-suction technique with 25-guage needle under US guidance. For each nodule, the biopsy was repeated up to two passes.
Results : Cytopathologic diagnostic rate was 89.4% (371/415), and inadequate specimen rate was 10.6% (44/415). Among 371 adequate specimens, the nodules were benign in 282 (68%), malignant in 55 (13.3%), and suspicious for malignant or follicular neoplasm in 34 (8.2%). Among 44 inadequate specimens, nodules were calcified in 9, cystic in 2, and solid or mixed echoic in 33.
Conclusion : US-guided fine-needle non-suction technique is more comfortable than and as useful as the conventional suction technique for the cytopathological evaluation of thyroid nodules.
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KEYWORD
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Thyroid Thyroid, neoplasms Thyroid, US Thyroid, biopsy
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