- Aggressive tumor recurrence after radiofrequency ablation for hepatocellular carcinoma
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Kang TW, Lim HK, Cha DI
- KMID: 2412121
- Clin Mol Hepatol.
- 2017 Mar;23(1):95-101.
- doi: 10.3350/cmh.2017.0006
Image-guided radiofrequency ablation (RFA) is an evolving and growing treatment option for patients with hepatocellular carcinoma (HCC) and hepatic metastasis. RFA offers significant advantages as it is less invasive than... -
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- Lessons Learned from a Negative Biopsy: Impact of Positron Emission Tomography/CT on Targeted Biopsy for Lung Cancer
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Cha DI, Lee HY, Choi JY, Han J, Kwon OJ, Lee KS
- KMID: 1439534
- J Korean Soc Radiol.
- 2012 Oct;67(4):245-248.
- doi: 10.3348/jksr.2012.67.4.245
We introduce two cases in which positron emission tomography (PET)/CT delineated viable malignant tissue from nonmalignant areas and guided us to successful biopsies when conventional CT failed to do so.... -
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- Percutaneous radiofrequency ablation for hepatic metastasis of colorectal cancer: assessment of tumor visibility and the feasibility of the procedure with planning ultrasonography
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Bae JW, Lee MW, Kang TW, Song KD, Cha DI, Min JH, Rhim H
- KMID: 2523431
- Ultrasonography.
- 2022 Jan;41(1):189-197.
- doi: 10.14366/usg.21050
Purpose: The aim of this study was to assess the incidence and causes of percutaneous radiofrequency ablation (RFA) infeasibility in cases of metastatic colorectal cancer and to evaluate factors affecting... -
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- Ablative Outcomes of Various Energy Modes for No-Touch and Peripheral Tumor-Puncturing Radiofrequency Ablation: An Ex Vivo Simulation Study
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Cha DI, Lee MW, Song KD, Ko SE, Rhim H
- KMID: 2525216
- Korean J Radiol.
- 2022 Feb;23(2):189-201.
- doi: 10.3348/kjr.2021.0451
Objective: To compare the outcomes of radiofrequency ablation (RFA) using dual switching monopolar (DSM), switching bipolar (SB), and combined DSM + SB modes at two different interelectrode distances (25 and... -
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- The semi-erect position for better visualization of subphrenic hepatocellular carcinoma during ultrasonography examinations
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Ko SE, Lee MW, Lim HK, Min JH, Cha DI, Kang TW, Song KD, Kim MJ, Rhim H
- KMID: 2514013
- Ultrasonography.
- 2021 Apr;40(2):274-280.
- doi: 10.14366/usg.20059
Purpose: This study investigated which body position is more useful for visualizing subphrenic hepatocellular carcinomas (HCCs) during ultrasonography (US) examinations. Methods: This prospective study was approved by the institutional review board... -
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- Percutaneous radiofrequency ablation of solitary hepatic metastases from colorectal cancer: risk factors of local tumor progression-free survival and overall survival
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Lee HJ, Lee MW, Ahn SH, Cha DI, Ko SE, Kang TW, Song KD, Rhim H
- KMID: 2533851
- Ultrasonography.
- 2022 Oct;41(4):728-739.
- doi: 10.14366/usg.21256
Purpose: This study aimed to evaluate local tumor progression-free survival (LTPFS) and overall survival (OS) after percutaneous radiofrequency ablation (RFA) for solitary colorectal liver metastases (CLM) -
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- Percutaneous radiofrequency ablation of hepatocellular carcinoma in a recent cohort at a tertiary cancer center: incidence and factors associated with major complications and unexpected hospitalization events
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Jo MG, Lee MW, Ahn S, Kang TW, Song KD, Cha DI, Min JH, Rhim H
- KMID: 2537420
- Ultrasonography.
- 2023 Jan;42(1):41-53.
- doi: 10.14366/usg.22041
Purpose: This study aimed to assess the incidence of and factors associated with major complications, delayed discharge, and emergency room (ER) visits or readmission after percutaneous radiofrequency ablation (RFA) for... -
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- Identification of Arterial Hyperenhancement in CT and MRI in Patients with Hepatocellular Carcinoma: Value of Unenhanced Images
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Kim M, Kang TW, Cha DI, Jang KM, Kim YK, Kim SH, Sinn DH, Kim K
- KMID: 2438254
- Korean J Radiol.
- 2019 Feb;20(2):236-245.
- doi: 10.3348/kjr.2018.0339
OBJECTIVE: According to the current guidelines, arterial hyperenhancement for diagnosis of hepatocellular carcinoma (HCC) is determined using the arterial phase only. We investigated the optimal definition of arterial hyperenhancement in... -
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- Therapeutic Efficacy and Safety of Percutaneous Ethanol Injection with or without Combined Radiofrequency Ablation for Hepatocellular Carcinomas in High Risk Locations
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Cha DI, Lee MW, Rhim H, Choi D, Kim YS, Lim HK
- KMID: 1482783
- Korean J Radiol.
- 2013 Apr;14(2):240-247.
- doi: 10.3348/kjr.2013.14.2.240
OBJECTIVE: To evaluate the therapeutic efficacy and safety of percutaneous ethanol injection (PEI) alone and combined with radiofrequency ablation (RFA) for hepatocellular carcinomas (HCCs) in high risk locations. MATERIALS AND METHODS:... -
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- Pretreatment Evaluation with Contrast-Enhanced Ultrasonography for Percutaneous Radiofrequency Ablation of Hepatocellular Carcinomas with Poor Conspicuity on Conventional Ultrasonography
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Kim AY, Lee MW, Rhim H, Cha DI, Choi D, Kim YS, Lim HK, Cho SW
- KMID: 1711429
- Korean J Radiol.
- 2013 Oct;14(5):754-763.
- doi: 10.3348/kjr.2013.14.5.754
OBJECTIVE: To determine whether pretreatment evaluation with contrast-enhanced ultrasonography (CEUS) is effective for percutaneous radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC) with poor conspicuity on conventional ultrasonography (US). MATERIALS AND METHODS:... -
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- Usefulness of Virtual Expiratory CT Images to Compensate for Respiratory Liver Motion in Ultrasound/CT Image Fusion: A Prospective Study in Patients with Focal Hepatic Lesions
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Kang TW, Lee MW, Cha DI, Park HJ, Park JS, Bang WC, Kim SW
- KMID: 2438253
- Korean J Radiol.
- 2019 Feb;20(2):225-235.
- doi: 10.3348/kjr.2018.0320
OBJECTIVE: To assess whether virtual expiratory (VE)-computed tomography (CT)/ultrasound (US) fusion imaging is more effective than conventional inspiratory (CI)-CT/US fusion imaging for hepatic interventional procedures. MATERIALS AND METHODS: This prospective study... -
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- Intraindividual Comparison of Hepatocellular Carcinoma Washout between MRIs with Hepatobiliary and Extracellular Contrast Agents
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Kim YY, Kim YK, Min JH, Cha DI, Kim JM, Choi GS, Ahn S
- KMID: 2515061
- Korean J Radiol.
- 2021 May;22(5):725-734.
- doi: 10.3348/kjr.2020.1143
Objective: To intraindividually compare hepatocellular carcinoma (HCC) washout between MRIs using hepatobiliary agent (HBA) and extracellular agent (ECA). Materials and Methods: This study included 114 prospectively enrolled patients with chronic liver... -
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- Treatment Outcomes of Percutaneous Radiofrequency Ablation for Hepatocellular Carcinomas: Effects of the Electrode Type and Placement Method
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Park J, Lee MW, Ahn SH, Han S, Min JH, Cha DI, Song KD, Kang TW, Rhim H
- KMID: 2544929
- Korean J Radiol.
- 2023 Aug;24(8):761-771.
- doi: 10.3348/kjr.2023.0022
Objective: To investigate the association among the electrode placement method, electrode type, and local tumor progression (LTP) following percutaneous radiofrequency ablation (RFA) for small hepatocellular carcinomas (HCCs) and to assess... -
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- Deep learning-based automated quantification of the hepatorenal index for evaluation of fatty liver by ultrasonography
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Cha DI, Kang TW, Min JH, Joo I, Sinn DH, Ha SY, Kim K, Lee G, Yi J
- KMID: 2520316
- Ultrasonography.
- 2021 Oct;40(4):565-574.
- doi: 10.14366/usg.20179
Purpose: The aim of this study was to develop and validate a fully-automatic quantification of the hepatorenal index (HRI) calculated by a deep convolutional neural network (DCNN) comparable to the... -
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- Radiofrequency Ablation for Viable Hepatocellular Carcinoma around Retained Iodized Oil after Transcatheter Arterial Chemoembolization: Usefulness of Biplane Fluoroscopy Plus Ultrasound Guidance
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Min JH, Lee MW, Rhim H, Choi D, Kim YS, Kim YJ, Cha DI, Lim HK
- KMID: 1397510
- Korean J Radiol.
- 2012 Dec;13(6):784-794.
- doi: 10.3348/kjr.2012.13.6.784
OBJECTIVE: To assess the technical feasibility and local efficacy of biplane fluoroscopy plus US-guided percutaneous radiofrequency ablation (RFA) for viable hepatocellular carcinoma (HCC) around retained iodized oil after transcatheter arterial... -
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- Laparoscopic Hepatic Resection Versus Laparoscopic Radiofrequency Ablation for Subcapsular Hepatocellular Carcinomas Smaller Than 3 cm: Analysis of Treatment Outcomes Using Propensity Score Matching
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Ko SE, Lee MW, Ahn S, Rhim H, Kang TW, Song KD, Kim JM, Choi GS, Cha DI, Min JH, Sinn DH, Choi MS, Lim HK
- KMID: 2530356
- Korean J Radiol.
- 2022 Jun;23(6):615-624.
- doi: 10.3348/kjr.2021.0786
Objective: To compare the therapeutic outcomes of laparoscopic hepatic resection (LHR) and laparoscopic radiofrequency ablation (LRFA) for single subcapsular hepatocellular carcinoma (HCC). Materials and Methods: We screened 244 consecutive patients who... -
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- Radiofrequency Ablation Combined with Chemoembolization for Intermediate-Sized (3-5 cm) Hepatocellular Carcinomas Under Dual Guidance of Biplane Fluoroscopy and Ultrasonography
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Min JH, Lee MW, Cha DI, Jeon YH, Shin SW, Cho SK, Rhim H, Lim HK
- KMID: 1482784
- Korean J Radiol.
- 2013 Apr;14(2):248-258.
- doi: 10.3348/kjr.2013.14.2.248
OBJECTIVE: To assess the technical feasibility and local efficacy of percutaneous radiofrequency ablation (RFA) combined with transcatheter arterial chemoembolization (TACE) for an intermediate-sized (3-5 cm in diameter) hepatocellular carcinoma (HCC)... -
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- Preoperative Prediction for Early Recurrence Can Be as Accurate as Postoperative Assessment in Single Hepatocellular Carcinoma Patients
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Cha DI, Jang KM, Kim SH, Kim YK, Kim H, Ahn SH
- KMID: 2471806
- Korean J Radiol.
- 2020 Apr;21(4):402-412.
- doi: 10.3348/kjr.2019.0538
OBJECTIVE: To evaluate the performance of predicting early recurrence using preoperative factors only in comparison with using both pre-/postoperative factors. MATERIALS AND METHODS: We retrospectively reviewed 549 patients who had undergone... -
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- Active contour configuration model for estimating the posterior ablative margin in image fusion of real-time ultrasound and 3D ultrasound or magnetic resonance images for radiofrequency ablation: an experimental study
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Lee J, Lee MW, Choi D, Cha DI, Lee S, Kang TW, Yang J, Jo J, Bang WC, Kim J, Shin D
- KMID: 2422361
- Ultrasonography.
- 2018 Oct;37(4):337-344.
- doi: 10.14366/usg.17065
PURPOSE: The purpose of this study was to evaluate the accuracy of an active contour model for estimating the posterior ablative margin in images obtained by the fusion of real-time... -
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