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Feasibility of Adjustable Electrodes for Radiofrequency Ablation of Benign Thyroid Nodules

Lee J, Shin JH, Hahn SY, Park KW, Choi JS

OBJECTIVE: The purpose of this study was to evaluate a novel radiofrequency ablation (RFA) application utilizing an adjustable electrode for treatment of benign thyroid nodules. MATERIALS AND METHODS: From April 2011...
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Effect of a Deep Learning Framework-Based Computer-Aided Diagnosis System on the Diagnostic Performance of Radiologists in Differentiating between Malignant and Benign Masses on Breast Ultrasonography

Choi JS, Han BK, Ko ES, Bae JM, Ko EY, Song SH, Kwon MR, Shin JH, Hahn SY

OBJECTIVE: To investigate whether a computer-aided diagnosis (CAD) system based on a deep learning framework (deep learning-based CAD) improves the diagnostic performance of radiologists in differentiating between malignant and benign...
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Ethanol Ablation of the Thyroid Nodules: 2018 Consensus Statement by the Korean Society of Thyroid Radiology

Hahn SY, Shin JH, Na DG, Ha EJ, Ahn HS, Lim HK, Lee JH, Park JS, Kim JH, Sung JY, Lee JH, Baek JH, Yoon JH, Sim JS, Lee KH, Baek SM, Jung SL, Kim YK, Choi YJ, Korean Society of Radiology

Minimally invasive treatment of symptomatic thyroid nodules is now commonplace. Ethanol ablation (EA) of thyroid cystic nodules has been performed since the 1990s, but there is no global consensus or...
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Ultrasound-Guided Core Needle Biopsy Techniques for Intermediate or Low Suspicion Thyroid Nodules: Which Method is Effective for Diagnosis?

Hahn SY, Shin JH, Oh YL, Park KW

OBJECTIVE: To retrospectively compare the diagnostic performances of two different ultrasound (US)-guided core needle biopsy (CNB) techniques for intermediate or low suspicion thyroid nodules. MATERIALS AND METHODS: Between August 2015 and...
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Evaluation of Modified Core-Needle Biopsy in the Diagnosis of Thyroid Nodules

Ahn S, Jung S, Kim JY, Shin JH, Hahn SY, Oh YL

OBJECTIVE: Core needle biopsy (CNB) of the thyroid is an additional diagnostic method for non-diagnostic or indeterminate cytology samples. We sought to evaluate a new modified core biopsy technique and...
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2017 Thyroid Radiofrequency Ablation Guideline: Korean Society of Thyroid Radiology

Kim JH, Baek JH, Lim HK, Ahn HS, Baek SM, Choi YJ, Choi YJ, Chung SR, Ha EJ, Hahn SY, Jung SL, Kim DS, Kim SJ, Kim YK, Lee CY, Lee JH, Lee KH, Lee YH, Park JS, Park H, Shin JH, Suh CH, Sung JY, Sim JS, Youn I, Choi M, Na DG, Guideline Committee for the Korean Society of Thyroid Radiology (KSThR) and Korean Society of Radiology

Thermal ablation using radiofrequency is a new, minimally invasive modality employed as an alternative to surgery in patients with benign thyroid nodules and recurrent thyroid cancers. The Task Force Committee...
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Columnar Cell Variant of Papillary Thyroid Carcinoma: Ultrasonographic and Clinical Differentiation between the Indolent and Aggressive Types

Cho J, Shin JH, Hahn SY, Oh YL

OBJECTIVE: To evaluate the ultrasonography (US) features and clinical characteristics of columnar cell variant of papillary thyroid carcinoma (CCV-PTC) that can predict disease progression. MATERIALS AND METHODS: Six cases of CCV-PTC...
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Complementary Role of Elastography Using Carotid Artery Pulsation in the Ultrasonographic Assessment of Thyroid Nodules: A Prospective Study

Hahn SY, Shin JH, Ko EY, Bae JM, Choi JS, Park KW

OBJECTIVE: The aim of this study was to evaluate the diagnostic performance of gray-scale ultrasonography (US), Doppler scan, and elastography using carotid artery pulsation in the diagnosis of thyroid nodules...
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Core Needle Biopsy of the Thyroid: 2016 Consensus Statement and Recommendations from Korean Society of Thyroid Radiology

Na DG, Baek JH, Jung SL, Kim JH, Sung JY, Kim KS, Lee JH, Shin JH, Choi YJ, Ha EJ, Lim HK, Kim SJ, Hahn SY, Lee KH, Choi YJ, Youn I, Kim YJ, Ahn HS, Ryu JH, Baek SM, Sim JS, Jung CK, Lee JH, Korean Society of Thyroid Radiology (KSThR) and Korean Society of Radiology

Core needle biopsy (CNB) has been suggested as a complementary diagnostic method to fine-needle aspiration in patients with thyroid nodules. Many recent CNB studies have suggested a more advanced role...
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Breast Imaging Reporting and Data System Category 3 Lesions Detected on Whole-Breast Screening Ultrasound

Nam SY, Ko EY, Han BK, Shin JH, Ko ES, Hahn SY

PURPOSE: This study assessed the incidence and cancer rate of probably benign lesions detected on bilateral whole-breast screening ultrasound (US), which corresponded to US Breast Imaging Reporting and Data System...
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Discrepancies between the ultrasonographic and gross pathological size of papillary thyroid carcinomas

Hahn SY, Shin JH, Oh YL, Son YI

PURPOSE: The goal of this study was to investigate the level of agreement between tumor sizes measured on ultrasonography (US) and in pathological specimens of papillary thyroid carcinomas (PTCs) and...
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Ultrasonography Diagnosis and Imaging-Based Management of Thyroid Nodules: Revised Korean Society of Thyroid Radiology Consensus Statement and Recommendations

Shin JH, Baek JH, Chung J, Ha EJ, Kim JH, Lee YH, Lim HK, Moon WJ, Na DG, Park JS, Choi YJ, Hahn SY, Jeon SJ, Jung SL, Kim DW, Kim EK, Kwak JY, Lee CY, Lee HJ, Lee JH, Lee JH, Lee KH, Park SW, Sung JY, Korean Society of Thyroid Radiology (KSThR) and Korean Society of Radiology

The rate of detection of thyroid nodules and carcinomas has increased with the widespread use of ultrasonography (US), which is the mainstay for the detection and risk stratification of thyroid...
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Screening Ultrasound in Women with Negative Mammography: Outcome Analysis

Hwang JY, Han BK, Ko EY, Shin JH, Hahn SY, Nam MY

PURPOSE: To show the results of an audit of screening breast ultrasound (US) in women with negative mammography in a single institution and to analyze US-detected cancers within a year...
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Ultrasonographic Classification of the Metastases to the Thyroid Gland

Lee KH, Shin JH, Han BK, Ko EY, Ko ES, Hahn SY, Ryu JH

BACKGROUND AND OBJECTIVES: To classify the metastases to the thyroid gland arising from non-thyroidal malignancies on ultrasound (US). MATERIALS AND METHODS: We enrolled 45 consecutive patients with metastases to the thyroid...
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A comparison of lymphocytic thyroiditis with papillary thyroid carcinoma showing suspicious ultrasonographic findings in a background of heterogeneous parenchyma

Nam SY, Shin JH, Ko EY, Hahn SY

PURPOSE: The aim of this study was to compare ultrasonographic features in patients with lymphocytic thyroiditis (LT) and papillary thyroid carcinoma (PTC) having suspicious thyroid nodule(s) in a background of...
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Incidental Thyroid Lesions Detected on 18F-Fluorodeoxyglucose Positron Emission Tomography/CT in Patients with Non-Thyroidal Cancer: Clinical Implications and the Value of Ultrasound

Lee KH, Shin JH, Han BK, Ko EY, Ko ES, Hahn SY, Choi JY

PURPOSE: To evaluate the clinical implications of subsequent ultrasound (US) for incidental thyroid lesions (ITLs) detected on positron emission tomography/computed tomography (PET/CT) in patients with non-thyroidal cancer. MATERIALS AND METHODS: We...
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Role of BRAF(V600E) Mutation Analysis for Thyroid Nodules Classified as Indeterminate on Ultrasonography

Nam SY, Shin JH, Han BK, Ko EY, Kang SS, Hahn SY, Hwang JY, Nam MY, Kim JW, Chung JH

  • KMID: 2324486
  • J Korean Soc Ultrasound Med.
  • 2010 Mar;29(1):45-51.
PURPOSE: We aimed to evaluate a possible role for BRAF(V600E) mutation analysis of aspiration specimens in the work up of thyroid nodules classified as indeterminate on US. MATERIALS AND METHODS: A...
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The Sonographic Features of Recurrent Breast Cancer

Lee KH, Ko EY, Shin JH, Han BK, Kang SS, Hahn SY

PURPOSE: We wanted to evaluate the sonographic findings of recurrent breast cancer in the patients who underwent mastectomy or breast conserving surgery (BCS). We also wanted to evaluate the characteristics...
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Outcomes of US BI-RADS 4A, 4B, and 4C Lesions

Shin JW, Ko EY, Han BK, Shin JH, Kang SS, Hahn SY

  • KMID: 2099424
  • J Korean Soc Ultrasound Med.
  • 2009 Dec;28(4):275-279.
PURPOSE: The aim of our study was to evaluate the outcomes of sonographic (US) BIRADS category 4 lesions according to subcategories 4A, 4B, and 4C and palpability. MATERIALS AND METHODS: We...
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Efficacy of the Focused Ultrasound as an Additional Study to Characterize Small Hepatic Lesions on CT in Patients with Cancer

Hahn SY, Lee JK, Baek SY

  • KMID: 1480607
  • J Korean Soc Ultrasound Med.
  • 2008 Mar;27(1):19-26.
PURPOSE: The purpose of this study was to evaluate the efficacy of focused ultrasound (US) to characterize small indeterminate hepatic lesions on contrast-enhanced CT in cancer patients. MATERIALS AND METHODS: Forty-three...
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