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5 "Won-Mook Choi"
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Original Articles
Pain, analgesic use and misconceptions in patients with hepatocellular carcinoma: a cross-sectional survey
Jina Park, Jiwon Yang, Sung Won Chung, Won-Mook Choi, Ju Hyun Shim, Danbi Lee, Kang Mo Kim, Young-Suk Lim, Han Chu Lee, Jonggi Choi
Received January 15, 2026  Accepted March 19, 2026  Published online April 29, 2026  
DOI: https://doi.org/10.17998/jlc.2026.03.19    [Epub ahead of print]
  • 378 Views
  • 24 Downloads
AbstractAbstract PDFSupplementary Material
Backgrounds/Aims
Cancer-related pain remains undertreated despite established guidelines. In hepatocellular carcinoma (HCC), underlying chronic liver disease may amplify concerns regarding analgesic safety. We aimed to evaluate pain prevalence, analgesic use, pain-related perceptions, and educational needs among patients with HCC.
Methods
We conducted a cross-sectional survey of 200 adult patients with HCC receiving systemic therapy at a tertiary referral center. A 30-item questionnaire assessed pain presence and intensity using a numeric rating scale (NRS), analgesic use patterns, liver-related safety concerns, opioid-related stigma, and educational needs. Clinical characteristics, including tumor burden and liver function, were analyzed in relation to pain and perception domains.
Results
Fifty-five patients (27.5%) reported current pain (mean NRS, 3.6±2.5; mean worst pain 5.2±2.8). Among them, 31 patients (56.3%) were using analgesics; however, 51.6% reported using them only when pain became unbearable. Misconceptions regarding analgesic safety were prevalent: 70.0% believed long-term analgesic use damages the liver, 56.0% believed analgesics are unsafe with impaired liver function, 46.5% associated opioids with addiction, and 30.0% hesitated due to the term “narcotic.” These beliefs were not associated with Child-Pugh class or serum albumin level. Extrahepatic metastasis was associated with higher liver-related concern scores and a trend toward increased pain prevalence. Patients with elementary school education or less had poorer pain scale knowledge and no prior counseling.
Conclusions
Pain undertreatment and safety-related misconceptions are common in HCC and appear independent of objective liver function. Structured, proactive education, particularly for patients with untreated pain and low educational attainment, may improve pain control in this population.
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Synergistic effects of L-arginine and argininosuccinate synthetase 1 in inducing apoptosis in hepatocellular carcinoma
Jin Sun Kim, Won-Mook Choi, Ha-Il Kim, Sung Won Chung, Jonggi Choi, Danbi Lee, Kang Mo Kim
J Liver Cancer. 2025;25(1):79-90.   Published online January 14, 2025
DOI: https://doi.org/10.17998/jlc.2024.12.27
  • 5,670 Views
  • 121 Downloads
  • 4 Citations
AbstractAbstract PDF
Backgrounds/Aims
Hepatocellular carcinoma (HCC) is a malignant cancer with an increasing incidence worldwide. Although numerous efforts have been made to identify effective therapies for HCC, current strategies have limitations. We present a new approach for targeting L-arginine and argininosuccinate synthetase 1 (ASS1).
Methods
ASS1 expression in HCC cell lines and primary hepatocytes was detected using polymerase chain reaction and western blotting. Proliferation, migration, signaling pathways, and nitric oxide production in HCC cell lines were measured using MTS, colony formation, wound healing, Western blot, and Griess assays.
Results
ASS1 expression varied among the HCC cell lines, and cisplatin cytotoxicity was ASS1-dependent. L-arginine alone induced apoptosis in HCC cell lines, regardless of ASS1 expression; however, its effect was enhanced in ASS1-expressing HCC cell lines. Cisplatin cytotoxicity also increased, suggesting that L-arginine acts as a sensitizer to cisplatin in HCC cell lines. ASS1 and L-arginine produced nitric oxide and inhibited key proliferation- and survival-related signaling pathways such as PI3K/Akt and MAPK. Additionally, ASS1 and L-arginine reduced the expression of PKM1 and PKM2 in the glycolysis pathway.
Conclusions
Our study revealed that ASS1 and L-arginine exhibited anticancer effects in HCC and sensitized cisplatin-resistant HCC cells to chemotherapy. The combination of ASS1 and L-arginine significantly enhanced the anticancer effects, even in HCC cell lines with low or absent ASS1 expression. These findings highlight the critical roles of arginine and ASS1 in HCC and suggest that increasing arginine availability could be a promising therapeutic strategy.

Citations

Citations to this article as recorded by  
  • Metabolic-immune microenvironment crosstalk mediating ICI resistance in MASH-HCC
    Yi Ju, Kequan Xu, Xi Chen, Tiangen Wu, Yufeng Yuan
    Trends in Endocrinology & Metabolism.2026; 37(3): 262.     CrossRef
  • L-Arginine as an Adjuvant Chemosensitizer: Enhancement of Intestinal Permeability and Cytotoxic Activity of Doxorubicin
    Ghada Saad, Rana M. Alquwayi, Hanin B. Alanazi, Farah B. Aldahmashi, Aryam M. Alahmary, Shouq K. Almutairi, Fatima R. Alshammari, Ghadah T. Alshammari, Afnan J. Alrashidi, Norah K. Aldousari, Haifa F. Alsubiei, Lama H. Alanazi, Meaad H. Aldossary, Amal A.
    Pharmaceuticals.2026; 19(4): 546.     CrossRef
  • Impact of metabolic reprogramming on the immune response in hepatocellular carcinoma
    Yang Wang, Yi-Jun Lu, Jian Zhou, Xin-Rong Yang
    Hepatoma Research.2026;[Epub]     CrossRef
  • Antitumor role of L-arginine and argininosuccinate synthetase 1 in hepatocellular carcinoma: direct and immunological mechanisms
    Hyuk Soo Eun
    Journal of Liver Cancer.2025; 25(1): 1.     CrossRef
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Outcomes of liver resection and transarterial chemoembolization in patients with multinodular BCLC-A hepatocellular carcinoma
Jiwon Yang, Won-Mook Choi, Danbi Lee, Ju Hyun Shim, Kang Mo Kim, Young-Suk Lim, Han Chu Lee, Deok-Bog Moon, Dong-Hwan Jung, Jonggi Choi
J Liver Cancer. 2024;24(2):178-191.   Published online April 3, 2024
DOI: https://doi.org/10.17998/jlc.2024.03.25
  • 6,961 Views
  • 150 Downloads
  • 8 Citations
AbstractAbstract PDFSupplementary Material
Backgrounds/Aims
This study aimed to compare the outcomes of liver resection (LR) and transarterial chemoembolization (TACE) in patients with multinodular hepatocellular carcinoma (HCC) within the Milan criteria who were not eligible for liver transplantation.
Methods
We retrospectively analyzed 483 patients with multinodular HCC within the Milan criteria, who underwent either LR or TACE as an initial therapy between 2013 and 2022. The overall survival (OS) in the entire population and recurrence-free survival (RFS) in patients who underwent LR and TACE and achieved a complete response were analyzed. Propensity score (PS) matching analysis was also used for a fair comparison of outcomes between the two groups.
Results
Among the 483 patients, 107 (22.2%) and 376 (77.8%) underwent LR and TACE, respectively. The median size of the largest tumor was 2.0 cm, and 72.3% of the patients had two HCC lesions. The median OS and RFS were significantly longer in the LR group than in the TACE group (P<0.01 for both). In the multivariate analysis, TACE (adjusted hazard ratio [aHR], 1.81 and aHR, 2.41) and large tumor size (aHR, 1.43 and aHR, 1.44) were significantly associated with worse OS and RFS, respectively. The PS-matched analysis also demonstrated that the LR group had significantly longer OS and RFS than the TACE group (PS<0.05).
Conclusions
In this study, LR showed better OS and RFS than TACE in patients with multinodular Barcelona Clinic Liver Cancer stage A HCC. Therefore, LR can be considered an effective treatment option for these patients.

Citations

Citations to this article as recorded by  
  • Survival Prediction and Treatment Decisions in Hepatocellular Carcinoma: A Deep Learning-Based Radiomics Approach
    Xiaoqin Wei, Jun Xiao, Ying Liu, Chaofeng Yang, Ziren Luo, Mingyue Tang, Xiaowen Chen
    British Journal of Hospital Medicine.2026;[Epub]     CrossRef
  • Liver resection versus radiofrequency ablation or transarterial chemoembolization for early multinodular BCLC-A hepatocellular carcinoma: a systematic review and meta-analysis
    Maria F. F. Viana, Arthur A. Braga, Lucas B. Carvalho, Danilo C. M. S. Vasconcellos, Bianca C. M. R. Alexandrino, Felipe J. F. Coimbra
    Journal of Liver Cancer.2026; 26(1): 157.     CrossRef
  • Low Tumor Burden Predicts Benefit from Transarterial Treatment in Hepatocellular Carcinoma with Extrahepatic Metastasis: A Nationwide Cohort Study
    Jaejun Lee, Hyun Yang, Keungmo Yang, Ji Won Han, Pil Soo Sung, Jeong Won Jang, Si Hyun Bae
    Liver Cancer.2026; : 1.     CrossRef
  • A Prospective, Multicenter, Randomized, Noninferiority Trial of Stopad® Versus Tachosil® for Hemostasis After Liver Resection
    Seung Yeon Lim, Gi Hong Choi, Jin Hong Lim, Ho-Seong Han, Yoo-Seok Yoon, Hae Won Lee, Boram Lee, Yeshong Park, MeeYoung Kang, Jinju Kim, Hyelim Joo, Jai Young Cho
    Cancers.2025; 17(5): 757.     CrossRef
  • Comparison of initial treatments for resectable hepatocellular carcinoma within Milan criteria: an observational study based on a nationwide survey
    Sang Jin Kim, Woo Kyoung Jeong, Hyung-Joon Han, Gyu-Seong Choi, Kyun-Hwan Kim, Jongman Kim
    Annals of Surgical Treatment and Research.2025; 108(5): 279.     CrossRef
  • Comparative analysis of the immediate results of surgical treatment in patients with early (BCLC A) and intermediate (BCLC B) stage hepatocellular carcinoma
    B. I. Sakibov, D. V. Podluzhnyi, Yu. I. Patyutko, E. A. Moroz, O. A. Egenov, N. E. Kudashkin
    Surgery and Oncology.2025; 15(2): 52.     CrossRef
  • Artificial intelligence for multi-time-point arterial phase contrast-enhanced MRI profiling to predict prognosis after transarterial chemoembolization in hepatocellular carcinoma
    Lanlin Yao, Hamzah Adwan, Simon Bernatz, Hao Li, Thomas J. Vogl
    La radiologia medica.2025; 130(10): 1517.     CrossRef
  • Exploring the role of liver resection as a first-line treatment option for multinodular BCLC-A hepatocellular carcinoma
    Joo Hyun Oh, Dong Hyun Sinn
    Journal of Liver Cancer.2024; 24(2): 126.     CrossRef
Close layer
Subclassification of advanced-stage hepatocellular carcinoma with macrovascular invasion: combined transarterial chemoembolization and radiotherapy as an alternative first-line treatment
Sujin Jin, Won-Mook Choi, Ju Hyun Shim, Danbi Lee, Kang Mo Kim, Young-Suk Lim, Han Chu Lee, Jinhong Jung, Sang Min Yoon, Jonggi Choi
J Liver Cancer. 2023;23(1):177-188.   Published online March 23, 2023
DOI: https://doi.org/10.17998/jlc.2023.03.04
  • 4,963 Views
  • 123 Downloads
  • 10 Citations
AbstractAbstract PDFSupplementary Material
Background/Aim
The Barcelona Clinic Liver Cancer (BCLC) guidelines recommend systemic therapy as the only first-line treatment for patients with BCLC stage C hepatocellular carcinoma (HCC) despite its heterogeneity of disease extent. We aimed to identify patients who might benefit from combined transarterial chemoembolization (TACE) and radiation therapy (RT) by subclassifying BCLC stage C.
Methods
A total of 1,419 treatment-naïve BCLC stage C patients with macrovascular invasion (MVI) who were treated with combined TACE and RT (n=1,115) or systemic treatment (n=304) were analyzed. The primary outcome was overall survival (OS). Factors associated with OS were identified and assigned points by the Cox model. The patients were subclassified into three groups based on these points.
Results
The mean age was 55.4 years, and 87.8% were male. The median OS was 8.3 months. Multivariate analysis revealed a significant association of Child-Pugh B, infiltrative-type tumor or tumor size ≥10 cm, main or bilateral portal vein invasion, and extrahepatic metastasis with poor OS. The sub-classification was categorized into low (point ≤1), intermediate (point=2), and high (point ≥3) risks based on the sum of points (range, 0–4). The OS in the low, intermediate, and high-risk groups was 22.6, 8.2, and 3.8 months, respectively. In the low and intermediate-risk groups, patients treated with combined TACE and RT exhibited significantly longer OS (24.2 and 9.5 months, respectively) than those who received systemic treatment (6.4 and 5.1 months, respectively; P<0.0001).
Conclusions
Combined TACE and RT may be considered as a first-line treatment option for HCC patients with MVI when classified into low- and intermediate-risk groups.

Citations

Citations to this article as recorded by  
  • Combined Transarterial Chemoembolization and External Beam Radiotherapy for Identifying Surgical Candidates for Hepatocellular Carcinoma with Macroscopic Vascular Invasion: A Propensity Score–Weighted Analysis
    Sumin Lee, Jinhong Jung, Jonggi Choi, So Yeon Kim, Jin Hyoung Kim, Danbi Lee, Ju Hyun Shim, Kang Mo Kim, Young-Suk Lim, Han Chu Lee, Gi-Won Song, Jin-hong Park, Sang Min Yoon
    Cancer Research and Treatment.2026; 58(1): 275.     CrossRef
  • Management strategies for advanced hepatocellular carcinoma with portal vein tumor thrombosis
    Jeayeon Park, Su Jong Yu
    The Ewha Medical Journal.2025;[Epub]     CrossRef
  • Efficacy and safety of image-guided hypofractionated radiotherapy for hepatocellular carcinoma with portal vein tumor thrombosis: a retrospective, multicenter study
    Sang Min Lee, Jin Hwa Choi, Jung-Hwan Yoon, Yoon Jun Kim, Su Jong Yu, Jeong-Hoon Lee, Hyun-Cheol Kang, Eui Kyu Chie, Kyung Su Kim
    BMC Cancer.2025;[Epub]     CrossRef
  • 15-Year Trends in Hepatocellular Carcinoma: Epidemiology, Treatment, and Outcomes from a Hospital-Based Registry
    Songgyung Kim, Jina Park, Won-Mook Choi, Danbi Lee, Ju Hyun Shim, Kang Mo Kim, Young-Suk Lim, Han Chu Lee, Ki-Hun Kim, Jonggi Choi
    Gut and Liver.2025; 19(5): 746.     CrossRef
  • Liver resection in selective hepatocellular carcinoma with Vp3 or Vp4 portal vein tumor thrombosis improves prognosis
    Manuel Lim, Jongman Kim, Jinsoo Rhu, Gyu-Seong Choi, Jae-Won Joh
    Journal of Liver Cancer.2024; 24(1): 102.     CrossRef
  • Comparison of atezolizumab plus bevacizumab and lenvatinib for hepatocellular carcinoma with portal vein tumor thrombosis
    Jeayeon Park, Yun Bin Lee, Yunmi Ko, Youngsu Park, Hyunjae Shin, Moon Haeng Hur, Min Kyung Park, Dae-Won Lee, Eun Ju Cho, Kyung-Hun Lee, Jeong-Hoon Lee, Su Jong Yu, Tae-Yong Kim, Yoon Jun Kim, Tae-You Kim, Jung-Hwan Yoon
    Journal of Liver Cancer.2024; 24(1): 81.     CrossRef
  • A Machine Learning Algorithm Facilitates Prognosis Prediction and Treatment Selection for Barcelona Clinic Liver Cancer Stage C Hepatocellular Carcinoma
    Ji W. Han, Soon K. Lee, Jung H. Kwon, Soon W. Nam, Hyun Yang, Si H. Bae, Ji H. Kim, Heechul Nam, Chang W. Kim, Hae L. Lee, Hee Y. Kim, Sung W. Lee, Ahlim Lee, U I. Chang, Do S. Song, Seok-Hwan Kim, Myeong J. Song, Pil S. Sung, Jong Y. Choi, Seung K. Yoon,
    Clinical Cancer Research.2024; 30(13): 2812.     CrossRef
  • Limited Generalizability of Retrospective Single-Center Cohort Study in Comparison to Multicenter Cohort Study on Prognosis of Hepatocellular Carcinoma
    Ye Rim Kim, Sung Won Chung, Min-Ju Kim, Won-Mook Choi, Jonggi Choi, Danbi Lee, Han Chu Lee, Ju Hyun Shim
    Journal of Hepatocellular Carcinoma.2024; Volume 11: 1235.     CrossRef
  • Portal vein tumor thrombosis in hepatocellular carcinoma patients: Is it the end?
    Walaa Abdelhamed, Hend Shousha, Mohamed El-Kassas
    Liver Research.2024;[Epub]     CrossRef
  • How to optimize the treatment strategy for advanced-stage hepatocellular carcinoma with macrovascular invasion
    Beom Kyung Kim
    Journal of Liver Cancer.2023; 23(1): 121.     CrossRef
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Transarterial Chemoembolization versus Radiofrequency Ablation for Small Hepatocellular Carcinomas with Discrepant Features on Computed Tomography and Magnetic Resonance Imaging
Young Youn Cho, Jung Hee Kwon, Jeong-Hoon Lee, Jeong Min Lee, Jae Young Lee, Hyo-Choel Kim, Jin Wook Chung, Won-mook Choi, Eun Ju Cho, Yoon Jun Kim, Jung-Hwan Yoon, Chung Yong Kim, Hyo-Suk Lee
J Liver Cancer. 2015;15(1):19-29.   Published online March 31, 2015
DOI: https://doi.org/10.17998/jlc.15.1.19
  • 2,400 Views
  • 11 Downloads
AbstractAbstract PDF
Background/Aims
This study compared the outcomes of patients with small hepatocellular carcinomas (HCCs) who were treated using transarterial chemoembolization (TACE) or radiofrequency ablation (RFA).
Methods
This was a post-hoc analysis of a prospective study that evaluated the diagnostic efficacy of magnetic resonance imaging (MRI) and computed tomography (CT). We analyzed 41 small hepatic nodules in 32 patients that showed typical radiologic hallmarks on both CT and gadoxate-enhanced MRI (typical nodules) and 25 small hepatic nodules from 22 patients that showed atypical radiologic hallmarks on CT and typical radiologic hallmarks on MRI (discrepant nodules).
Results
There were no significant differences in the baseline characteristics of the patients with typical and discrepant nodules. Complete response rates 1 month after TACE or RFA were 75.0% (18/24) and 94.1% (16/17; P=0.20), respectively, for the patients with typical nodules and 58.8% (10/17) and 100% (8/8; P=0.05), respectively, for the patients with discrepant nodules. Treatment failure rates after TACE or RFA were 33.3% (8/24) and 5.8% (1/17; P=0.15), respectively, for the patients with typical nodules and 47.0% (8/17) and 0.0% (0/8; P=0.02), respectively, for the patients with discrepant nodules. Among patients achieving complete response, there were no significant differences in the risk of marginal recurrence.
Conclusions
RFA provided higher complete response rates and significantly lower treatment failure rates than TACE for patients with discrepant nodules of HCC. Therefore, a treatment modality such as RFA may be preferable for small HCCs which show discrepancy on two imaging modalities.
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