Qiaohong Lin, Mingyuan Du, Shida Yan, Xing Zhang, Xiyuan Li, Ying Zhang, Shiting Zhang, Shuwei Chen, Ming Song
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引用次数: 0
Abstract
Background
An uncommon cancer, lymphoepithelioma-like carcinoma (LELC) resembles undifferentiated nasopharyngeal carcinoma (NPC) histologically. The aim is mainly to introduce the diagnosis and treatment of LELC and compare it with NPC in our descriptive study.
Methods
A total of 278 patients with NPC and 157 patients with head and neck LELC had their medical records examined in this study. The propensity score matching (PSM) approach was employed to attain a 1:1 match between the LELC and NPC groups. Kaplan–Meier analysis was performed for overall survival (OS) of LELC and NPC. To determine their predictive values for OS, univariate and multivariate Cox regression analyses with significant survival differences (p < 0.05) were carried out.
Results
Similar to NPC, 107 (68.2%) LELC cases had Epstein–Barr virus (EBV) infection. LELC of the parotid glands was present in nearly 46.5% of patients with head and neck LELC. Most patients were treated with surgery with neck dissection. After PSM, LELC had similar 5-year OS rates to NPC (81.6% vs. 79.0%). LELC was less prone to distant metastasis compared to NPC. Age, T stage, N stage, and distant metastases were found to be substantially correlated with the outcome of LELC, according to the multivariate Cox regression analysis (p < 0.05).
Conclusions
EBV infection in the head and neck has been associated with LELC and NPC. When compared to NPC, LELC is more likely to arise in the salivary glands and has a lower incidence of distant metastasis. Surgery with neck dissection is the primary treatment for LELC.
期刊介绍：
Cancer Medicine is a peer-reviewed, open access, interdisciplinary journal providing rapid publication of research from global biomedical researchers across the cancer sciences. The journal will consider submissions from all oncologic specialties, including, but not limited to, the following areas:
Clinical Cancer Research
Translational research ∙ clinical trials ∙ chemotherapy ∙ radiation therapy ∙ surgical therapy ∙ clinical observations ∙ clinical guidelines ∙ genetic consultation ∙ ethical considerations
Cancer Biology:
Molecular biology ∙ cellular biology ∙ molecular genetics ∙ genomics ∙ immunology ∙ epigenetics ∙ metabolic studies ∙ proteomics ∙ cytopathology ∙ carcinogenesis ∙ drug discovery and delivery.
Cancer Prevention:
Behavioral science ∙ psychosocial studies ∙ screening ∙ nutrition ∙ epidemiology and prevention ∙ community outreach.
Bioinformatics:
Gene expressions profiles ∙ gene regulation networks ∙ genome bioinformatics ∙ pathwayanalysis ∙ prognostic biomarkers.
Cancer Medicine publishes original research articles, systematic reviews, meta-analyses, and research methods papers, along with invited editorials and commentaries. Original research papers must report well-conducted research with conclusions supported by the data presented in the paper.
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