Journal of Pathology and Translational Medicine

Kwhanmien Kim

2 Articles

Membranous Insulin-like Growth Factor-1 Receptor (IGF1R) Expression Is Predictive of Poor Prognosis in Patients with Epidermal Growth Factor Receptor (EGFR)-Mutant Lung Adenocarcinoma: Eunhyang Park, Soo Young Park, Hyojin Kim, Ping-Li Sun, Yan Jin, Suk Ki Cho, Kwhanmien Kim, Choon-Taek Lee, Jin-Haeng Chung; J Pathol Transl Med. 2015;49(5):382-388. Published online August 4, 2015; DOI: https://doi.org/10.4132/jptm.2015.07.10

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Background
Insulin-like growth factor-1 receptor (IGF1R) is a membrane receptor-type tyrosine kinase that has attracted considerable attention as a potential therapeutic target, although its clinical significance in non-small cell lung cancer (NSCLC) is controversial. This study aimed to clarify the clinical significance of IGF1R expression in human NSCLC. Methods: IGF1R protein expression was evaluated using immunohistochemistry in 372 patients with NSCLC who underwent curative surgical resection (146 squamous cell carcinomas [SqCCs] and 226 adenocarcinomas [ADCs]). We then analyzed correlations between expression of IGF1R and clinicopathological and molecular features and prognostic significance. Results: Membranous and cytoplasmic IGF1R expression were significantly higher in SqCCs than in ADCs. In patients with SqCC, membranous IGF1R expression was associated with absence of vascular, lymphatic, and perineural invasion; lower stage; and better progression-free survival (PFS) (hazard ratio [HR], 0.586; p = .040). In patients with ADC, IGF1R expression did not have a significant prognostic value; however, in the subgroup of epidermal growth factor receptor (EGFR)-mutant ADC, membranous IGF1R expression was associated with lymphatic and perineural invasion, solid predominant histology, and higher cancer stage and was significantly associated with worse PFS (HR, 2.582; p = .009). Conclusions: Lung ADC and SqCC showed distinct IGF1R expression profiles that demonstrated prognostic significance. High membranous IGF1R expression was predictive of poor PFS in EGFR-mutant lung ADC, while it was predictive of better PFS in SqCC. These findings will help improve study design for subsequent investigations and select patients for future anti-IGF1R therapy.

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Investigating Trk Protein Expression between Oropharyngeal and Non-oropharyngeal Squamous Cell Carcinoma: Clinical Implications and Possible Roles of Human Papillomavirus Infection
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NOVA1 induction by inflammation and NOVA1 suppression by epigenetic regulation in head and neck squamous cell carcinoma
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Characterization of head and neck squamous cell carcinoma arising in young patients: Particular focus on molecular alteration and tumor immunity
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Head & Neck.2018;[Epub] CrossRef
Overexpression of lncRNA EGFR‑AS1 is associated with a poor prognosis and promotes chemotherapy resistance in non‑small cell lung cancer
Yu-Hua Xu, Jian-Ren Tu, Tian-Tian Zhao, Shi-Guang Xie, Sheng-Bo Tang
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Heming Li, Izhar Singh Batth, Xiujuan Qu, Ling Xu, Na Song, Ruoyu Wang, Yunpeng Liu
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Upregulated Neuro-oncological Ventral Antigen 1 (NOVA1) Expression Is Specific to Mature and Immature T- and NK-Cell Lymphomas
Eun Kyung Kim, Sun Och Yoon, Soo Hee Kim, Woo Ick Yang, Yoon Ah Cho, Soo Jeong Kim
Journal of Pathology and Translational Medicine.2016; 50(2): 104. CrossRef
The Clinical Significance of the Insulin-Like Growth Factor-1 Receptor Polymorphism in Non-Small-Cell Lung Cancer with Epidermal Growth Factor Receptor Mutation
Tu-Chen Liu, Ming-Ju Hsieh, Ming-Che Liu, Whei-Ling Chiang, Thomas Tsao, Shun-Fa Yang
International Journal of Molecular Sciences.2016; 17(5): 763. CrossRef

Metaplastic Thymoma: Report of 4 Cases: Guhyun Kang, Nara Yoon, Joungho Han, Young Eun Kim, Tae Sung Kim, Kwhanmien Kim; Korean J Pathol. 2012;46(1):92-95. Published online February 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.1.92

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Abstract PDF

Metaplastic thymoma (MT), accepted in the World Health Organization 2004 scheme, is a circumscribed tumor of the thymus exhibiting biphasic morphology. We herein describe the clinicopathologic features of four MTs and the differential diagnoses of this unusual tumor. There were three women and one man with mean age of 49.5 years. The patients were found to have mediastinal masses, and underwent surgical excision. One exhibited symptoms of myasthenia gravis, and the serum titer for anti-acetylcholine receptor antibody was positive. Grossly, the tumors were encapsulated, and showed vaguely multinodular, solid, tan-white to yellow cut surfaces. Histologically, they comprised epithelial islands intertwining with bundles of delicate spindle cells. The patients remained well after surgical excision at 5-55 months. Because of the distinctive histological appearance and benign clinical course, MT should be distinguished from other more aggressive mediastinal neoplasms displaying biphasic feature.

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