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Evaluation of cervical lymph node metastasis in thyroid cancer patients using real-time CT-navigated ultrasonography: preliminary study
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논문 기본 정보

Type
Academic journal
Author
Journal
대한초음파의학회 ULTRASONOGRAPHY ULTRASONOGRAPHY Vol.34 No.1 KCI Accredited Journals
Published
2015.1
Pages
39 - 44 (6page)

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Evaluation of cervical lymph node metastasis in thyroid cancer patients using real-time CT-navigated ultrasonography: preliminary study
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Purpose: To evaluate the diagnostic accuracy of real-time neck computed tomography (CT)-guided ultrasonography (US) in detecting cervical neck lymph node metastasis (LNM) in patients withpapillary thyroid cancer (PTC). Methods: We retrospectively reviewed data from 176 patients (mean age, 43 years; range, 23 to 74 years) with surgically confirmed PTC who underwent preoperative US, neck CT, and neck CTguidedUS. We then compared the sensitivities and diagnostic accuracies of each of the three above modalities in detecting cervical LNM. Results: Preoperative US showed 17.3% sensitivity and 58.5% diagnostic accuracy in detecting central LNM compared with 64.3% sensitivity and 89.2% diagnostic accuracy in detecting lateralneck LNM. Neck CT showed 23.5% sensitivity and 55.7% diagnostic accuracy in detecting central LNM and 71.4% sensitivity with 90.9% diagnostic accuracy in detecting lateral neckLNM. CT-guided US exhibited 37.0% sensitivity and 63.1% diagnostic accuracy in detecting central LNM compared with 92.9% sensitivity and 96.0% diagnostic accuracy in detecting lateralLNM. CT-guided US showed higher diagnostic accuracy with superior sensitivity in detecting central and lateral LNM than did US (P<0.001, P=0.011) and CT (P=0.026, P=0.063). Conclusion: Neck CT-guided US is a more accurate technique with higher sensitivity for detecting cervical LNM than either US or CT alone. Therefore, our data indicate that neck CT-guided US isan especially useful technique in preoperative examinations
#Thyroid cancer #papillary #Lymph nodes #Neoplasm metastasis #Ultrasonography #Multidetector computed tomography

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Ito Y / 2004 / Preoperative ultrasonographic examination for lymph node metastasis: usefulness when designing lymph node dissection for papillary microcarcinoma of the thyroid / World J Surg 28:498~501 google schola American Thyroid Association (ATA) Guidelines Taskforce on Thyroid Nodules and Differentiated Thyroid Cancer / 2009 / Revised American Thyroid Association management guidelines for patients with thyroid nodules and differentiated thyroid cancer / Thyroid 19:1167~1214 google schola Kim E / 2008 / Preoperative diagnosis of cervical metastatic lymph nodes in papillary thyroid carcinoma: comparison of ultrasound, computed tomography, and combined ultrasound with computed tomography / Thyroid 18:411~418 google schola Antonelli A / 1995 / Role of neck ultrasonography in the follow-up of patients operated on for thyroid cancer / Thyroid 5:25~28 google schola Steinkamp HJ / 1995 / Cervical lymphadenopathy: ratio of long- to short-axis diameter as a predictor of malignancy / Br J Radiol 68:266~270 google schola

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