Skip Navigation
Skip to contents

Cancer Res Treat : Cancer Research and Treatment

OPEN ACCESS

Author index

Page Path
HOME > Browse articles > Author index
Search
Sung Gwe Ahn 4 Articles
Breast cancer
Dural Metastasis in Breast Cancer: MRI-Based Morphological Subtypes and Their Clinical Implications
Sung Jun Ahn, Bio Joo, Mina Park, Hun Ho Park, Sang Hyun Suh, Sung Gwe Ahn, Jihwan Yoo
Cancer Res Treat. 2024;56(4):1105-1112.   Published online March 19, 2024
DOI: https://doi.org/10.4143/crt.2024.138
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Purpose
This study aimed to investigate the clinical factors associated with breast cancer (BRCA) dural metastases (DMs), their impact on prognosis compared to brain parenchymal metastases (BPMs) alone, and differences between DM subtypes, aiming to inform clinical decisions.
Materials and Methods
We retrospectively analyzed 119 patients with BRCA with brain metastasis, including 91 patients with BPM alone and 28 patients with DM. Univariate and multivariate analyses were performed to compare the clinical characteristics between the two groups and within subtypes of DM. Overall survival after DM (OSDM) and the interval from DM to leptomeningeal carcinomatosis (LMC) were compared using Kaplan-Meier analysis.
Results
DM was notably linked with extracranial metastasis, luminal-like BRCA subtype (p=0.033), and skull metastases (p < 0.001). Multiple logistic regression revealed a strong association of DM with extracranial and skull metastases, but not with subtype or hormone receptor status. Patients with DM did not show survival differences compared with patients with BPM alone. In the subgroup analysis, nodular-type DM correlated with human epidermal growth factor receptor 2 status (p=0.044), whereas diffuse-type DM was significantly associated with a higher prevalence of the luminal-like subtype (p=0.048) and the presence of skull metastasis (p=0.002). Patients with diffuse DM did not exhibit a significant difference in OSDM but had a notably shorter interval from DM to LMC compared to those with nodular DM (p=0.049).
Conclusion
While the impact of DM on the overall prognosis of patients with BRCA is minimal, our findings underscore distinct characteristics and prognostic outcomes within DM subgroups.

Citations

Citations to this article as recorded by  
  • Small-cell neuroendocrine carcinoma of the cervix with leptomeningeal spread: A rare coincidence report and literature review
    Mohammed A. Azab, Oday Atallah, Nour El-Gohary, Ahmed Hazim, Hamed Abdelma’aboud Mostafa
    Surgical Neurology International.2024; 15: 310.     CrossRef
  • Left homonymous hemianopia as an atypical manifestation of isolated pachymeningeal metastasis secondary to breast cancer: Case report and review of the literature
    Aziz Ahizoune, Moad Belouad, Houda Alloussi, Mohamed Allaoui, Mohamed Hamid, Ahmed Bourazza
    Radiology Case Reports.2024; 19(11): 5459.     CrossRef
  • 851 View
  • 56 Download
  • 2 Crossref
Close layer
Choosing Wisely: The Korean Perspective and Launch of the ‘Right Decision in Cancer Care’ Initiative
Joo-Young Kim, Kyoung Eun Lee, Kyubo Kim, Myung Ah Lee, Won Sup Yoon, Dong Seok Han, Sung Gwe Ahn, Jung-Hun Kang
Cancer Res Treat. 2020;52(3):655-660.   Published online June 2, 2020
DOI: https://doi.org/10.4143/crt.2020.221
AbstractAbstract PDFPubReaderePub
Government healthcare expenditure is rising in Korea, and the costs incurred by patients in Korea exceed those incurred by patients in other Organization for Economic Co-operation and Development countries. Despite the increasing health expenditure, patient demand for services is increasing as well, so it is now becoming recognized that cancer care needs to be balanced. The most important measure in cancer care optimization is to provide high-quality care while keeping costs sustainable. The Korean Cancer Association considers the current situation of cancer therapy in Korea the foremost issue, which has led to the implementation of the nationwide ‘Right Decisions in Cancer Care’ initiative. This initiative is based on the concepts of medical professionalism in that it should be led by physicians working in the field of oncology, that education should be offered to patients and clinicians, and that it should influence healthcare policy. In this article, we introduce the nationwide ‘Right Decision in Cancer Care’ initiative and highlight the five initial items on its agenda. The agenda is open to expansion and update as the medical environment evolves and additional clinical evidence becomes available.

Citations

Citations to this article as recorded by  
  • Relationship between patient outcomes and patterns of fragmented cancer care in older adults with gastric cancer: A nationwide cohort study in South Korea
    Dong-Woo Choi, Seungju Kim, Sun Jung Kim, Dong Wook Kim, Kwang Sun Ryu, Jae Ho Kim, Yoon-Jung Chang, Kyu-Tae Han
    Journal of Geriatric Oncology.2024; 15(2): 101685.     CrossRef
  • Pattern of practice for postoperative management of endometrial cancer in Korea: a survey by the Korean Gynecologic Oncology Group and the Korean Radiation Oncology Group (KGOG 2028-KROG 2104)
    Sung Uk Lee, Joo-Young Kim, Min Kyu Kim, Young Seok Kim, Yeon Joo Kim, Keun-Yong Eom, Chan Woo Wee
    Journal of Gynecologic Oncology.2023;[Epub]     CrossRef
  • The Future of Adjuvant Therapy in Renal Cell Carcinoma: Recent Insights and Prospects
    Hyerim Ha, Joo Han Lim
    Journal of Urologic Oncology.2023; 21(3): 208.     CrossRef
  • Validation of the Korean Version of the Patient-Reported Outcomes Measurement Information System 29 Profile V2.1 among Cancer Survivors
    Danbee Kang, Youngha Kim, Jihyun Lim, Junghee Yoon, Sooyeon Kim, Eunjee Kang, Heesu Nam, Sungkeun Shim, Mangyeong Lee, Haesook Bok, Sang-Won Lee, Soo-Yong Shin, Jin Seok Ahn, Dongryul Oh, Juhee Cho
    Cancer Research and Treatment.2022; 54(1): 10.     CrossRef
  • Comparison of Cancer-Related Spending and Mortality Rates in the US vs 21 High-Income Countries
    Ryan D. Chow, Elizabeth H. Bradley, Cary P. Gross
    JAMA Health Forum.2022; 3(5): e221229.     CrossRef
  • 15,461 View
  • 174 Download
  • 4 Web of Science
  • 5 Crossref
Close layer
Risk Factors for a False-Negative Result of Sentinel Node Biopsy in Patients with Clinically Node-Negative Breast Cancer
Seung Ah Lee, Hak Min Lee, Hak Woo Lee, Ban Seok Yang, Jong Tae Park, Sung Gwe Ahn, Joon Jeong, Seung Il Kim
Cancer Res Treat. 2018;50(3):625-633.   Published online July 31, 2017
DOI: https://doi.org/10.4143/crt.2017.089
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Purpose
Although sentinel lymph node biopsy (SLNB) can accurately represent the axillary lymph node (ALN) status, the false-negative rate (FNR) of SLNB is the main concern in the patients who receive SLNB alone instead of ALN dissection (ALND).
Materials and Methods
We analyzed 1,886 patientswho underwent ALNDafter negative results of SLNB,retrospectively. A logistic regression analysis was used to identify risk factors associated with a falsenegative (FN) result. Cox regression model was used to estimate the hazard ratio of factors affecting disease-free survival (DFS).
Results
Tumor located in the upper outer portion of the breast, lymphovascular invasion, suspicious node in imaging assessment and less than three sentinel lymph nodes (SLNs) were significant independent risk factors for FN in SLNB conferring an adjusted odds ratio of 2.10 (95% confidence interval [CI], 1.30 to 3.39), 2.69 (95% CI, 1.47 to 4.91), 2.59 (95% CI, 1.62 to 4.14), and 2.39 (95% CI, 1.45 to 3.95), respectively. The prognostic factors affecting DFS were tumor size larger than 2 cm (hazard ratio [HR], 1.86; 95% CI, 1.17 to 2.96) and FN of SLNB (HR, 2.51; 95% CI, 1.42 to 4.42) in SLN-negative group (FN and true-negative), but in ALN-positive group (FN and true-positive), FN of SLNB (HR, 0.64; 95% CI, 0.33 to 1.25) did not affect DFS.
Conclusion
In patients with risk factors for a FN such as suspicious node in imaging assessment, upper outer breast cancer, less than three harvested nodes, we need attention to find another metastatic focus in non-SLNs during the operation. It may contribute to provide an exact prognosis and optimizing adjuvant treatments.

Citations

Citations to this article as recorded by  
  • Detection of presence or absence of metastasis in WSI patches of breast cancer using the dual-enhanced convolutional ensemble neural network
    Ruigang Ge, Guoyue Chen, Kazuki Saruta, Yuki Terata
    Machine Learning with Applications.2024; 17: 100579.     CrossRef
  • Ultrasound radiomics based on axillary lymph nodes images for predicting lymph node metastasis in breast cancer
    Yu-Long Tang, Bin Wang, Tao Ou-Yang, Wen-Zhi Lv, Shi-Chu Tang, An Wei, Xin-Wu Cui, Jiang-Sheng Huang
    Frontiers in Oncology.2023;[Epub]     CrossRef
  • Future Directions in the Assessment of Axillary Lymph Nodes in Patients with Breast Cancer
    Filippo Pesapane, Luciano Mariano, Francesca Magnoni, Anna Rotili, Davide Pupo, Luca Nicosia, Anna Carla Bozzini, Silvia Penco, Antuono Latronico, Maria Pizzamiglio, Giovanni Corso, Enrico Cassano
    Medicina.2023; 59(9): 1544.     CrossRef
  • Axillary Lymph Node Dissection Can Be Omitted in Breast Cancer Patients With Mastectomy and False-Negative Frozen Section in Sentinel Lymph Node Biopsy
    Jing Si, Rong Guo, Huan Pan, Xiang Lu, Zhiqin Guo, Chao Han, Li Xue, Dan Xing, Wanxin Wu, Caiping Chen
    Frontiers in Oncology.2022;[Epub]     CrossRef
  • False-negative frozen section of sentinel nodes in early breast cancer (cT1-2N0) patients
    Zhu-Jun Loh, Kuo-Ting Lee, Ya-Ping Chen, Yao-Lung Kuo, Wei-Pang Chung, Ya-Ting Hsu, Chien-Chang Huang, Hui-Ping Hsu
    World Journal of Surgical Oncology.2021;[Epub]     CrossRef
  • What Is High-risk Breast Cancer With Pathologically Negative Lymph Nodes for Regional Recurrence?
    Sang-Won Kim, Won Kyung Cho, Doo Ho Choi, Haeyoung Kim, Oyeon Cho, Won Park, Mison Chun
    International Journal of Radiation Oncology*Biology*Physics.2021; 111(4): 992.     CrossRef
  • Validating the ACOSOG Z0011 Trial Result: A Population-Based Study Using the SEER Database
    Jiwoong Jung, Byoung Hyuck Kim, Jongjin Kim, Sohee Oh, Su-jin Kim, Chang-Sup Lim, In Sil Choi, Ki-Tae Hwang
    Cancers.2020; 12(4): 950.     CrossRef
  • Retrospectively validating the results of the ACOSOG Z0011 trial in a large Asian Z0011-eligible cohort
    Jiwoong Jung, Wonshik Han, Eun Sook Lee, So-Youn Jung, Jai Hong Han, Dong-Young Noh, Yumi Kim, Hee Jun Choi, Jeong Eon Lee, Seok Jin Nam, Jong Won Lee, Hee Jeong Kim, Eunhae Um, Joo Heung Kim, Seho Park, Young Up Cho
    Breast Cancer Research and Treatment.2019; 175(1): 203.     CrossRef
  • Preliminary study of contrast-enhanced ultrasound in combination with blue dye vs. indocyanine green fluorescence, in combination with blue dye for sentinel lymph node biopsy in breast cancer
    Yidong Zhou, Yan Li, Feng Mao, Jing Zhang, Qingli Zhu, Songjie Shen, Yan Lin, Xiaohui Zhang, He Liu, Mengsu Xiao, Yuxin Jiang, Qiang Sun
    BMC Cancer.2019;[Epub]     CrossRef
  • 12,021 View
  • 344 Download
  • 10 Web of Science
  • 9 Crossref
Close layer
Prospective Evaluation of the Feasibility of Sentinel Lymph Node Biopsy in Breast Cancer Patients with Negative Axillary Conversion after Neoadjuvant Chemotherapy
Hy-De Lee, Sung Gwe Ahn, Seung Ah Lee, Hak Min Lee, Joon Jeong
Cancer Res Treat. 2015;47(1):26-33.   Published online August 29, 2014
DOI: https://doi.org/10.4143/crt.2013.208
AbstractAbstract PDFPubReaderePub
Purpose
Tumor response to neoadjuvant chemotherapy (NAC) may adversely affect the identification and accuracy rate of sentinel lymph node biopsy (SLNB). This study was conducted to evaluate the feasibility of SLNB in node-positive breast cancer patients with negative axillary conversion after NAC. Materials and Methods Ninety-six patients with positive nodes at presentation were prospectively enrolled. 18Fluorodeoxyglucose-positron emission tomography (18F-FDG PET) and ultrasonography were performed before and after NAC. A metastatic axillary lymph node was defined as positive if it was positive upon both 18F-FDG PET and ultrasonography, while it was considered negative if it was negative upon both 18F-FDG PET and ultrasonography. Results After NAC, 55 cases (57.3%) became clinically node-negative, while 41 cases (42.7%) remained node-positive. In the entire cohort, the sentinel lymph node (SLN) identification and false-negative rates were 84.3% (81/96) and 18.4% (9/49), respectively. In the negative axillary conversion group, the results of SLNB showed an 85.7% (48/55) identification rate and 16.7% (4/24) false-negative rate. Conclusion For breast cancer patients with clinically positive nodes at presentation, it is difficult to conclude whether the SLN accurately represents the metastatic status of all axillary lymph nodes, even after clinically negative node conversion following NAC.

Citations

Citations to this article as recorded by  
  • Feasibility of Sentinel Lymph Node Biopsy in Breast Cancer Patients with Axillary Conversion after Neoadjuvant Chemotherapy—A Single-Tertiary Centre Experience and Review of the Literature
    Alexandra Maria Lazar, Mario-Demian Mutuleanu, Paula Monica Spiridon, Cristian Ioan Bordea, Tatiana Lucia Suta, Alexandru Blidaru, Mirela Gherghe
    Diagnostics.2023; 13(18): 3000.     CrossRef
  • AGO-Empfehlungen zur operativen Therapie der Axilla nach neoadjuvanter Chemotherapie: Update 2021
    Michael Friedrich, Thorsten Kühn, Wolfgang Janni, Volkmar Müller, Maggie Banys-Paluchowski, Cornelia Kolberg-Liedtke, Christian Jackisch, David Krug, Ute-Susann Albert, Ingo Bauerfeind, Jens Blohmer, Wilfried Budach, Peter Dall, Eva M. Fallenberg, Peter A
    Senologie - Zeitschrift für Mammadiagnostik und -therapie.2022; 19(01): 56.     CrossRef
  • The value of sentinel lymph-node biopsy in women with node-positive breast cancer at diagnosis and node-negative tumour after neoadjuvant therapy: a systematic review
    Juan C. Vázquez, Antonio Piñero, Francisco J. de Castro, Ana Lluch, Miguel Martín, Agustí Barnadas, Emilio Alba, Álvaro Rodríguez-Lescure, Federico Rojo, Julia Giménez, Ivan Solá, Maria J. Quintana, Xavier Bonfill, Gerard Urrutia, Pedro Sánchez-Rovira
    Clinical and Translational Oncology.2022; 25(2): 417.     CrossRef
  • Outcomes of Sentinel Node Biopsy for Women with Breast Cancer After Neoadjuvant Therapy: Systematic Review and Meta-Analysis of Real-World Data
    Shi-Qian Lin, Nguyen-Phong Vo, Yu-Chun Yen, Ka-Wai Tam
    Annals of Surgical Oncology.2022; 29(5): 3038.     CrossRef
  • Feasibility and reliability of sentinel lymph node biopsy after neoadjuvant chemotherapy in breast cancer patients with positive axillary nodes at initial diagnosis: An up-to-date meta-analysis of 3,578 patients
    Siyang Cao, Xia Liu, Junwei Cui, Xiaoling Liu, Jieyu Zhong, Zijian Yang, Desheng Sun, Wei Wei
    The Breast.2021; 59: 256.     CrossRef
  • AGO Recommendations for the Surgical Therapy of the Axilla After Neoadjuvant Chemotherapy: 2021 Update
    Michael Friedrich, Thorsten Kühn, Wolfgang Janni, Volkmar Müller, Maggie Banys-Paluchowski, Cornelia Kolberg-Liedtke, Christian Jackisch, David Krug, Ute-Susann Albert, Ingo Bauerfeind, Jens Blohmer, Wilfried Budach, Peter Dall, Eva M. Fallenberg, Peter A
    Geburtshilfe und Frauenheilkunde.2021; 81(10): 1112.     CrossRef
  • Therapiealgorithmen für das Mammakarzinom
    J.-U. Blohmer, A. Schneeweiss, I. Bauerfeind, T. Fehm, V. Müller, C. Thomssen, I. Witzel, A. Wöckel, W. Janni
    Der Onkologe.2021; 27(12): 1165.     CrossRef
  • Axillary response according to neoadjuvant single or dual human epidermal growth factor receptor 2 (HER2) blockade in clinically node‐positive, HER2‐positive breast cancer
    Chihwan Cha, Sung Gwe Ahn, Dooreh Kim, Janghee Lee, Soeun Park, Soong June Bae, Jee Ye Kim, Hyung Seok Park, Seho Park, Seung Il Kim, Byeong‐Woo Park, Joon Jeong
    International Journal of Cancer.2021; 149(8): 1585.     CrossRef
  • The Accuracy of Sentinel Lymph Node Biopsy Following Neoadjuvant Chemotherapy in Clinically Node Positive Breast Cancer Patients: A Single Institution Experience
    Hossein Yahyazadeh, Maria Hashemian, Mojtaba Rajabpour, Saina Aminmozaffari, Maryam Zaree, Ahmad R Mafi, Hossein Pourtavakoli, Narges Sistany Allahabadi, Marzieh Beheshti
    International Journal of Cancer Management.2018;[Epub]     CrossRef
  • A survey of current surgical treatment of early stage breast cancer in China
    Xin Zhang, Ying Wang
    Oncoscience.2018; 5(7-8): 239.     CrossRef
  • Predictive Factors for Nonsentinel Lymph Node Metastasis in Patients With Positive Sentinel Lymph Nodes After Neoadjuvant Chemotherapy: Nomogram for Predicting Nonsentinel Lymph Node Metastasis
    Jai Min Ryu, Se Kyung Lee, Ji Young Kim, Jonghan Yu, Seok Won Kim, Jeong Eon Lee, Se Hwan Han, Yong Sik Jung, Seok Jin Nam
    Clinical Breast Cancer.2017; 17(7): 550.     CrossRef
  • 21,427 View
  • 126 Download
  • 12 Web of Science
  • 11 Crossref
Close layer

Cancer Res Treat : Cancer Research and Treatment
Close layer
TOP