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pulmonary lymphoepithelioma-like carcinoma

Xiang-Yang Yu, Xue-Wen Zhang, Fang Wang, Yong-Bin Lin, Wei-Dong Wang, Yong-Qiang Chen, Lan-Jun Zhang, Ling Cai
Background: Aberrant expression of programmed cell death-ligand 1 (PD-L1) and protein 53 (P53) has been observed in various malignancies, and recently, the mechanism of PD-L1 regulation by P53 has been elucidated. We aimed to explore possible correlations between PD-L1 and P53 expression and the prognosis of patients with resected pulmonary lymphoepithelioma-like carcinoma (LELC). Methods: A total of 67 consecutive patients with primary pulmonary LELC who underwent radical resection from January 2003 to December 2014 were enrolled in our study...
March 2018: Journal of Thoracic Disease
Chao Xie, Xia Xu, Bian Wu, Kun-Yu Yang, Jing Huang
RATIONALE: Pulmonary lymphoepithelioma-like carcinoma (LELC) is a rare type of lung squamous cell carcinoma. In situ hybridization test for Epstein-Bar virus-encoded RNA (EBER) is generally used for distinguishing it from other lung cancers. Although plasma EBV DNA quantification has been widely used as a tumor biomarker in nasopharyngeal carcinoma (NPC), only a limiting number of studies have suggested that plasma EBV DNA quantification may be used as a tumor marker in pulmonary LELC patients...
February 2018: Medicine (Baltimore)
Chee Kiang Tay, Yang Chong Chua, Angela Takano, Madeline Yen Min Chee, Wan-Teck Lim, Cindy Lim, Mariko Siyue Koh
BACKGROUND: Primary pulmonary lymphoepithelioma-like carcinoma (PPLELC) is a rare subtype of nonsmall cell lung cancer (NSCLC) predominantly reported in East Asia. We aimed to evaluate clinical characteristics, diagnosis, treatment, and prognosis of PPLELC in Singapore. METHODS: Retrospective review of all patients diagnosed with PPLELC at our center between 2000 and 2014. RESULTS: All 28 patients were Chinese, 67.9% were female, and the median age was 58 years (range37-76 years)...
January 2018: Annals of Thoracic Medicine
Xiangyang Yu, Yingsheng Wen, Rongqing Qin, Yongbin Lin, Xuewen Zhang, Weidong Wang, Yongqiang Chen, Lanjun Zhang
BACKGROUND: Primary pulmonary lymphoepithelioma-like carcinoma is a rare subtype of lung cancer. Until now, the characteristics of lymph nodes metastases in resectable cases have not yet been reported. METHODS: In this study, a total of 87 consecutive patients with primary pulmonary lymphoepithelioma-like carcinoma that received surgical treatment were investigated from October 1999 to August 2016. The clinical and radiological data and follow-up information were extracted from hospital records in detail...
March 2018: Thoracic Cancer
Mian Xie, Xiaojun Wu, Fang Wang, Jinjun Zhang, Xiaosong Ben, Jiexia Zhang, Xiaoxiang Li
INTRODUCTION: Primary pulmonary lymphoepithelioma-like carcinoma (LELC) is a histologically distinctive subtype of NSCLC and an Epstein-Barr virus (EBV)-associated epithelial neoplasm. We investigated the clinical significance of plasma concentrations of EBV DNA in patients with pulmonary LELC. METHODS: Two independent sets of plasma samples from a total of 429 patients with patients with pulmonary LELC (287 initial and 142 confirmatory) were available for EBV DNA determination...
February 2018: Journal of Thoracic Oncology
Lan Lin, Tingyan Lin, Bangwei Zeng
Advanced lung cancer is considered to exhibit a poor prognosis; however, the pulmonary lymphoepithelioma-like carcinoma (LELC), a rare subtype of non-small cell lung cancer (NSCLC), exhibits an improved prognosis, compared with non-LELC. The present study aimed at investigating the clinical manifestation, imaging characteristics, pathology, tumor markers, treatment and prognosis of primary LELC of the lung. A total of 14 patients with pulmonary LELC were confirmed by surgery and pathology. Clinical data of those patients were retrospectively reviewed including age, sex, smoking history, symptoms, computed tomography (CT) results, Epstein-Barr virus-encoded RNA (EBER) status, treatment and outcomes...
September 2017: Oncology Letters
Minghui Zhang, Guoliang Li, Yanbo Wang, Yan Wang, Shu Zhao, Pu Haihong, Hongli Zhao, Yan Wang
Although many studies have addressed the prognostic value of programmed cell death-ligand 1 (PD-L1) expression in lung cancer, the results remain controversial. A systematic search of the PubMed, EMBASE, and Cochrane Library databases was performed to identify the correlation between PD-L1 expression and driver mutations and overall survival (OS). This meta-analysis enrolled a total of 11,444 patients for 47 studies, and the pooled results showed that increased PD-L1 expression was associated with poor prognosis (HR = 1...
August 31, 2017: Scientific Reports
Han Yang, Yongbin Lin, Ying Liang
Lung carcinosarcoma (PCS) and other histological subtypes of non-small cell lung cancer, such as primary pulmonary lymphoma (PPL), pulmonary carcinoid (PC), and primary pulmonary lymphoepithelioma-like carcinoma (LELC), are rare. For their low incidence, the diagnosis and treatment are still controversial. Some patients only need surgery, while others may need chemotherapy, radiotherapy, or targeted therapy. In this paper, we retrospectively reviewed the literature of some rare histological subtype of NSCLC for the recent 20 years, and try to get some conclusions...
August 10, 2017: Current Treatment Options in Oncology
Gul Ege Aktas, Nuray Can, Selin Soyluoglu Demir, Ali Sarıkaya
A 69-year-old male smoker was referred to 18 F-fluorodeoxyglucose (FDG) positron emission tomography-computed tomography (PET/CT) with the indication of a suspicious solitary pulmonary nodule. FDG PET/CT determined a 2.5 × 2-cm soft-tissue lesion (SUVmax, 16.2) with spiculated margins in the hilum of the right lung. A 1-cm diameter lymphadenopathy on the right hilum with an SUVmax of 3.2 was also determined. Transbronchial biopsy of the right hilar lymphadenopathy did not reveal any malignant features in histopathologic examination, and it was determined to be reactive...
March 2017: Nuclear Medicine and Molecular Imaging
Chun-Yu Lin, Ying-Jen Chen, Meng-Heng Hsieh, Chih-Wei Wang, Yueh-Fu Fang
BACKGROUND: Primary pulmonary lymphoepithelioma-like carcinoma (LELC) is rare, with better clinical outcomes than other lung cancers. However, reports on advanced LELC characteristics and prognosis are lacking. METHODS: This retrospective study included adults diagnosed with advanced LELC (at least stage IIIA) between January 2003 and December 2015. Clinical characteristics, treatment modalities, and outcomes were recorded. RESULTS: Study population comprised 23 patients with a mean age of 63...
January 2017: Journal of Thoracic Disease
Naoko Ose, Teruka Kawai, Daisuke Ishida, Yuko Kobori, Yukiyasu Takeuchi, Hidetoshi Senba
A pulmonary lymphoepithelioma-like carcinoma (PLELC) is similar to a lymphoepithelioma, a subtype of nasopharyngeal carcinoma and commonly associated with Epstein-Barr virus infection which is a rare tumour and classified in the group of "other and unclassified carcinoma" in the latest 2015 World Health Organization (WHO) classification. Some reports of lymphoepithelioma-like carcinoma (LELC) have noted an epidermal growth factor receptor (EGFR) mutation, whereas none have noted a mutation of the echinoderm microtubule-associated protein-like 4-anaplastic lymphoma kinase (EML4-ALK) fusion gene...
November 2016: Respirology Case Reports
Wen-Yang Jiang, Rui Wang, Xu-Feng Pan, Yu-Zhou Shen, Tian-Xiang Chen, Yun-Hai Yang, Jin-Cheng Shao, Lei Zhu, Bao-Hui Han, Jun Yang, Heng Zhao
BACKGROUND: Lymphoepithelioma-like carcinoma (LELC) is a rare form of non-small cell lung carcinoma. The current study focused on its clinicopathological features and potential factors influencing the prognosis. METHODS: The statistical analysis was based on the clinicopathological records and the prognosis of 43 LELC patients, analyzed by Kaplan-Meier method, Log-rank test, and COX regression analysis. RESULTS: The patients' average age was 57...
September 2016: Journal of Thoracic Disease
Ryoko Oi, Hisashi Saji, Hideki Marushima, Ichiro Maeda, Masayuki Takagi, Haruhiko Nakamura
Primary pulmonary lymphoepithelioma-like carcinoma (LELC) is a rare malignant tumour with histological features similar to undifferentiated nasopharyngeal carcinoma. A close association is known to exist between pulmonary LELC and Epstein-Barr virus infection in Southeast Asian countries. We report a 69-year-old man with pulmonary LELC arising from a thin-walled cavity with a smooth inner surface and characterized by an unexpectedly rapid progression.
September 2016: Respirology Case Reports
Mouna Mlika, Sadok Boudaya, Emna Braham, Fatma Chermiti, Ahmed Sayi, Adel Marghli, Faouzi El Mezni
BACKGROUND: Thymic carcinomas are rare tumors with a challenging diagnosis. Our aim was to report our 17-year experience of these tumors and to highlight the challenges encountered and the main differential diagnoses ruled out. METHODS: We studied 12 (92%) men and 1 (7.7%) woman with a mean age of 37 years (range 15-60 years). All patients were symptomatic, with chest pain representing the most frequent symptom. Radiology revealed anterior mediastinal masses in all cases, with either infiltration of the adjacent organs or pulmonary parenchymal metastases...
May 2016: Asian Cardiovascular & Thoracic Annals
Zhichao Lin, Dongrong Situ, Xiangzhen Chang, Wenhua Liang, Meiling Zhao, Chengjie Cai, Yang Liu, Jianxing He
OBJECTIVES: Primary pulmonary lymphoepithelioma-like carcinoma (LELC) is a rare but unique subtype of non-small-cell lung cancer (NSCLC). Our study aimed to evaluate clinicopathological characteristics and the value of surgical treatment for LELC and explore the relevant prognostic factors in a relatively large cohort. METHODS: We retrospectively reviewed the medical records of 39 lung LELC patients who underwent pulmonary resection with curative intent between January 2009 and December 2013...
July 2016: Interactive Cardiovascular and Thoracic Surgery
Jiaxi He, Jianfei Shen, Hui Pan, Jun Huang, Wenhua Liang, Jianxing He
BACKGROUND: Pulmonary lymphoepithelioma-like carcinoma (LELC) is one of the rare histological non-small cell lung cancers. Only a few case reports have been published. The knowledge of its characteristics and prognosis in western population is limited. Based on the data of the Surveillance, Epidemiology, and End Results database (SEER), an analysis was performed to fill the gap of our knowledge. METHODS: Characteristics, treatment and outcomes of all pulmonary LELC patients was extracted both from the SEER database from 1973 to 2011 using SEER*Stat 8...
December 2015: Journal of Thoracic Disease
S Bertz, A Hartmann, R Knüchel-Clarke, N T Gaisa
Bladder cancer shows rare variants and special subtypes with diverse prognostic importance and therefore may necessitate different therapeutic approaches. For pathologists it is important to histologically diagnose and specify such variants. Nested variants of urothelial carcinoma with inconspicuous, well-formed tumor cell nests present with an aggressive course. The plasmacytoid variant, which morphologically resembles plasma cells is associated with a shorter survival time and a high frequency of peritoneal metastasis...
February 2016: Der Pathologe
Liang Wang, Yongbin Lin, Qingqing Cai, Hao Long, Yu Zhang, Tiehua Rong, Guowei Ma, Ying Liang
BACKGROUND: Primary pulmonary lymphoepithelioma-like carcinoma (LELC) is a distinct rare subtype of lung cancer. The prevalence of anaplastic lymphoma kinase (ALK) rearrangement and epidermal growth factor receptor (EGFR) mutation in primary pulmonary LELC had not been thoroughly investigated. METHODS: We investigated a cohort of 42 patients with primary pulmonary LELC and genotyped for ALK rearrangement and EGFR mutation. ALK rearrangement was detected by fluorescence in situ hybridization (FISH)...
September 2015: Journal of Thoracic Disease
Wenfeng Fang, Shaodong Hong, Nan Chen, Xiaobo He, Jianhua Zhan, Tao Qin, Ting Zhou, Zhihuang Hu, Yuxiang Ma, Yuanyuan Zhao, Ying Tian, Yunpeng Yang, Cong Xue, Yanna Tang, Yan Huang, Hongyun Zhao, Li Zhang
BACKGROUD: Programmed cell death-ligand 1 (PD-L1) and driver mutations are commonly seen in non-small-cell lung cancer (NSCLC). However, the prevelance of PD-L1 over-expression and its prognostic value in Epstein-Barr virus (EBV) associated pulmonary lymphoepithelioma-like carcinoma (LELC) remains poorly understood. METHODS: A total of 214 NSCLC patients and 113 surgically treated pulmonary LELC patients were included. Paraffin-embedded tumor sections were stained with PD-L1 antibody...
October 20, 2015: Oncotarget
Li Jiang, Liang Wang, Peng-Fei Li, Xin-Ke Zhang, Jie-Wei Chen, Hui-Juan Qiu, Xiao-Dong Wu, Bei Zhang
BACKGROUND: Primary pulmonary lymphoepithelioma-like carcinoma (LELC) is a rare subtype of non-small cell lung cancer (NSCLC), and no effective treatments have been defined for advanced disease. Programmed cell death-ligand 1 (PD-L1) is expressed in a group of cancers that may be suitable targets for specific immunotherapy. METHODS: This study investigated the expression and clinical value of PD-L1 in pulmonary LELC. Seventy-nine patients with pulmonary LELC were investigated...
2015: OncoTargets and Therapy
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