Journal of Pathology and Translational Medicine

Won Hwangbo

5 Articles

Ewing’s Sarcoma/Primitive Neuroectodermal Tumor of the Uterine Corpus: Eung-Seok Lee, Won Hwangbo, Insun Kim; J Pathol Transl Med. 2015;49(1):66-70. Published online January 15, 2015; DOI: https://doi.org/10.4132/jptm.2014.10.14

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Ewing’s Sarcoma Presenting in the Paranasal Sinus – A Case Report
Yashika Kewalramani, Ajay Parihar, Prashanthi Reddy, Rashi Mandlik
Annals of Maxillofacial Surgery.2024; 14(2): 228. CrossRef
Primary uterine Ewing sarcoma – A case report
Yen-Chen Wu, Yu-Chien Kao, Ching-Wen Chang
Taiwanese Journal of Obstetrics and Gynecology.2021; 60(1): 142. CrossRef
Adjuvant chemotherapy for a primitive neuroectodermal tumor of the uterine corpus: A case report and literature review
Munetoshi Akazawa, Toshiaki Saito, Kazuya Ariyoshi, Masao Okadome, Ryohei Yokoyama, Kenichi Taguchi
Journal of Obstetrics and Gynaecology Research.2018; 44(10): 2008. CrossRef
Clinicopathologic Features of the Non-CNS Primary Ewing Sarcoma Family of Tumors in the Head and Neck Region
Chang Gok Woo, Bora Lee, Joon Seon Song, Kyung-Ja Cho
Applied Immunohistochemistry & Molecular Morphology.2018; 26(9): 632. CrossRef
Primitive neuroectodermal tumor of uterus with synchronous in situ squamous cell carcinoma of cervix–A rare tumor with unusual association
Ramneet Kaur, Shashi Dhawan, Prem Chopra, Sunita Bhalla
Current Medicine Research and Practice.2017; 7(3): 109. CrossRef

Myxoid Solitary Fibrous Tumor of the Central Nervous System: Haeri Han, Sangjeong Ahn, Won Hwangbo, Yang Seok Chae; Korean J Pathol. 2013;47(6):505-506. Published online December 24, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.6.505

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Cervical Myxoid Solitary Fibrous Tumor: Report of an Unusual Variant and a Brief Overview of the Literature
Bingcheng Wu, Sok Yan Tay, Fredrik Petersson
Head and Neck Pathology.2020; 14(3): 852. CrossRef

Myxoid Liposarcoma with Cartilaginous Differentiation: A Case Study with Cytogenetical Analysis: Hyunchul Kim, Won Hwangbo, Sangjeong Ahn, Suhjin Kim, Insun Kim, Chul Hwan Kim; Korean J Pathol. 2013;47(3):284-288. Published online June 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.284

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Myxoid liposarcoma is a subtype of liposarcoma. This specific subtype can be identified based on its characteristic histological and cytogenetical features. The tumor has a fusion transcript of the CHOP and TLS genes, which is caused by t(12;16)(q13;p11). Most of the fusion transcripts that have been identified fall into three categories, specifically type I (exons 7-2), type II (exons 5-2), and type III (exons 8-2). A total of seven myxoid liposarcomas associated with the rare phenomenon of cartilaginous differentiation have been documented in the literature. Currently, only one of these cases has been cytogenetically analyzed, and the analysis indicated that it was a type II TLS-CHOP fusion transcript in both the typical myxoid liposarcoma and cartilaginous areas. This study presents a second report of myxoid liposarcoma with cartilaginous differentiation, and includes a cytogenetical analysis of both the myxoid and cartilaginous areas.

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Myxoid liposarcoma with nuclear pleomorphism: a clinicopathological and molecular study
Naoki Kojima, Takashi Kubo, Taisuke Mori, Kaishi Satomi, Yuko Matsushita, Shintaro Iwata, Yasushi Yatabe, Koichi Ichimura, Akira Kawai, Hitoshi Ichikawa, Akihiko Yoshida
Virchows Archiv.2024; 484(1): 71. CrossRef
The Conundrum of Dedifferentiation in a Liposarcoma at a Peculiar Location: A Case Report and Literature Review
Ana-Maria Ciongariu, Adrian-Vasile Dumitru, Cătălin Cîrstoiu, Bogdan Crețu, Maria Sajin, Dana-Antonia Țăpoi, Aminia-Diana Ciobănoiu, Adrian Bejenariu, Andrei Marin, Mariana Costache
Medicina.2023; 59(5): 967. CrossRef
Myxoid liposarcoma with cartilaginous differentiation showing DDIT3 rearrangement
Kayo Suzuki, Taketoshi Yasuda, Kenta Watanabe, Takeshi Hori, Masahiko Kanamori, Tomoatsu Kimura
Oncology Letters.2017;[Epub] CrossRef

Naked Cuticle Drosophila 1 Expression in Histologic Subtypes of Small Adenocarcinoma of the Lung: Sangjeong Ahn, Won Hwangbo, Hyunchul Kim, Chul Hwan Kim; Korean J Pathol. 2013;47(3):211-218. Published online June 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.211

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Background

Naked cuticle Drosophila 1 (NKD1) has been related to non-small cell lung cancer in that decreased NKD1 levels have been associated with both poor prognosis and increased invasive quality.

Methods

Forty cases of lung adenocarcinoma staged as Tis or T1a were selected. Cases were subclassified into adenocarcinoma in situ (AIS), minimally invasive adenocarcinoma (MIA), and small adenocarcinoma (SAD). Immunohistochemical studies for NKD1 were performed.

Results

Forty samples comprised five cases of AIS (12.5%), eight of MIA (20.0%), and 27 of SAD (67.5%). AIS and MIA showed no lymph node metastasis and 100% disease-free survival, whereas among 27 patients with SAD, 2 (7.4%) had lymph node metastasis, and 3 (11.1%) died from the disease. Among the 40 cases, NKD1-reduced expression was detected in 8 (20%) samples, whereas normal expression was found in 15 (37.5%) and overexpression in 17 (42.5%). Loss of NKD1 expression was significantly associated with lymph node metastasis (p=0.001). All cases with predominant papillary pattern showed overexpression of NKD1 (p=0.026).

Conclusions

Among MIA and SAD, MIA had better outcomes than SAD. Down-regulated NKD1 expression was closely associated with nodal metastasis, and overexpression was associated with papillary predominant adenocarcinoma.

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Challenges of the eighth edition of the American Joint Committee on Cancer staging system for pathologists focusing on early stage lung adenocarcinoma
Yu‐Ting Wang, Il‐Chi Chang, Chih‐Yi Chen, Jiun‐Yi Hsia, Frank Cheau‐Feng Lin, Wan‐Ru Chao, Tuan‐Ying Ke, Ya‐Ting Chen, Chih‐Jung Chen, Min‐Shu Hsieh, Shiu‐Feng Huang
Thoracic Cancer.2023; 14(6): 592. CrossRef
Clinical Significance of NKD Inhibitor of WNT Signaling Pathway 1 (NKD1) in Glioblastoma
Lijun Li, Ruiying Gao, Weizhong Huangfu, Fang Zhang, Ruixia Wang, Hongda Liu
Genetics Research.2023; 2023: 1. CrossRef
Naked cuticle homolog 1 prevents mouse pulmonary arterial hypertension via inhibition of Wnt/β-catenin and oxidative stress
Shanwu Wei, Lu Lin, Wen Jiang, Jie Chen, Gu Gong, Daming Sui
Aging.2023;[Epub] CrossRef
MicroRNA‐195‐5p suppresses osteosarcoma cell proliferation and invasion by suppressing naked cuticle homolog 1
Qiang Qu, Xiangdong Chu, Peng Wang
Cell Biology International.2017; 41(3): 287. CrossRef
Downregulation of NKD1 in human osteosarcoma and its clinical significance
Xiang Chen, Ping Xu, Jianwei Zhu, Fan Liu
Molecular Medicine Reports.2017;[Epub] CrossRef
Lung Adenocarcinoma Staging Using the 2011 IASLC/ATS/ERS Classification: A Pooled Analysis of Adenocarcinoma In Situ and Minimally Invasive Adenocarcinoma
Madhusmita Behera, Taofeek K. Owonikoko, Anthony A. Gal, Conor E. Steuer, Sungjin Kim, Rathi N. Pillai, Fadlo R. Khuri, Suresh S. Ramalingam, Gabriel L. Sica
Clinical Lung Cancer.2016; 17(5): e57. CrossRef
The NKD1/Rac1 feedback loop regulates the invasion and migration ability of hepatocarcinoma cells
Jie Li, Sheng Zhang, Qing Hu, Kang Zhang, Jianbin Jin, Xuqing Zheng, Zhenyu Yin, Xiaomin Wang
Scientific Reports.2016;[Epub] CrossRef
NKD1 correlates with a poor prognosis and inhibits cell proliferation by inducing p53 expression in hepatocellular carcinoma
Sheng Zhang, Jie Li, Xiaomin Wang
Tumor Biology.2016; 37(10): 14059. CrossRef
Expression pattern and clinicopathologic significance of NKD1 in human primary hepatocellular carcinoma
Sheng Zhang, Jie Li, Zhen‐Yu Yin, Ping‐Guo Liu, Wen‐Xiu Zhao, Cheng‐Rong Xie, Bi‐Xin Zhao, Xiao‐Min Wang
APMIS.2015; 123(4): 315. CrossRef
Early lung cancer with lepidic pattern
Wilko Weichert, Arne Warth
Current Opinion in Pulmonary Medicine.2014; 20(4): 309. CrossRef
Altered Expression of PTEN and Its Major Regulator MicroRNA-21 in Pulmonary Neuroendocrine Tumors
Hyoun Wook Lee, Seung Yeon Ha, Mee Sook Roh
Korean Journal of Pathology.2014; 48(1): 17. CrossRef
The New 2011 International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society Classification of Lung Adenocarcinoma in Resected Specimens: Clinicopathologic Relevance and Emerging Issues
Seung Yeon Ha, Mee Sook Roh
Korean Journal of Pathology.2013; 47(4): 316. CrossRef

EGFR Gene Amplification and Protein Expression in Invasive Ductal Carcinoma of the Breast: Won Hwangbo, Jeong Hyeon Lee, Sangjeong Ahn, Seojin Kim, Kyong Hwa Park, Chul Hwan Kim, Insun Kim; Korean J Pathol. 2013;47(2):107-115. Published online April 24, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.2.107

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Abstract PDF

Background

The epidermal growth factor receptor (EGFR) is a surrogate marker for basal-like breast cancer. A recent study suggested that EGFR may be used as a target for breast cancer treatment.

Methods

A total of 706 invasive ductal carcinomas (IDC) of the breast were immunophenotyped, and 82 cases with EGFR protein expression were studied for EGFR gene amplification.

Results

EGFR protein was expressed in 121 of 706 IDCs (17.1%); 5.9% were of luminal type, 25.3% of epidermal growth factor receptor 2 (HER-2) type, and 79.3% of basal-like tumors. EGFR gene amplification and high polysomy (fluorescent in situ hybridization [FISH]-positive) were found in 18 of 82 cases (22.0%); 41.2% of the HER-2⁺, EGFR⁺, cytokeratin 5/6^- (CK5/6^-) group, 11.2% of the HER-2^-, EGFR⁺, CK5/6^- group, and 19.1% of the HER-2^-, EGFR⁺, CK5/6⁺ group. FISH-positive cases were detected in 8.3% of the EGFR protein 1⁺ expression cases, 15.9% of 2⁺ expression cases, and 38.5% of 3⁺ expression cases. In group 2, the tumors had a high Ki-67 labeling (>60%), but the patients showed better disease-free survival than those with tumors that co-expressed HER-2 or CK5/6.

Conclusions

EGFR-directed therapy can be considered in breast cancer patients with EGFR protein overexpression and gene amplification, and its therapeutic implication should be determined in HER-2 type breast cancer patients.

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