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KMID : 1147320170040020055
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Journal of Surgical Ultrasound
2017 Volume.4 No. 2 p.55 ~ p.61
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Usefulness of Surgeon-Performed Preoperative Ultrasonography for Papillary Thyroid Carcinoma
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Kim Dong-Hwi
Kim Kwang-Min
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Abstract
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Purpose: This study evaluated the overall diagnostic performance of surgeon-performed ultrasonography (US) for preoperative staging, multifocality, and bilaterality of papillary thyroid carcinoma in relation to the current TNM classification system.
Methods: The clinical and pathology data were collected retrospectively from 192 patients (175 women and 17 men; mean age 49.6 (range, 22?82) years) with documented diagnoses of papillary thyroid carcinoma and having undergone preoperative US and thyroidectomy at the Department of Surgery, Wonju Severance Christian Hospital between March of 2010 and July of 2011. The preoperative evaluations of T stage and N stage were performed with US in accordance with the TNM staging system of the American Joint Committee on Cancer. The multifocality and bilaterality of the malignant thyroid nodules were also evaluated.
Results: The accuracy of preoperative US to predict multifocality was 87.5% (168/192). The accuracy of preoperative US to predict bilaterality was 91.1% (175/192). The overall accuracy of preoperative US for T stage was 86.5% (166/192). The overall accuracy of preoperative US for N stage was 71.9% (138/192).
Conclusion: The efficacy of surgeon-performed preoperative US was evaluated. US is a good and highly useful tool for the preoperative staging of PTC, and is also helpful for accurately predicting and identifying extrathyroidal extensions, multifocality, and bilaterality. Surgeon-performed US for preoperative staging appears to be sufficiently accurate for presurgical planning.
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KEYWORD
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Papillary thyroid carcinoma, Ultrasonography, TNM stage, Lymph node metastasis
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