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Nasopharyngeal cancer

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https://www.readbyqxmd.com/read/28525383/histogram-analysis-of-diffusion-kurtosis-imaging-of-nasopharyngeal-carcinoma-correlation-between-quantitative-parameters-and-clinical-stage
#1
Xiao-Quan Xu, Gao Ma, Yan-Jun Wang, Hao Hu, Guo-Yi Su, Hai-Bin Shi, Fei-Yun Wu
PURPOSE: To evaluate the correlation between histogram parameters derived from diffusion-kurtosis (DK) imaging and the clinical stage of nasopharyngeal carcinoma (NPC). RESULTS: High T-stage (T3/4) NPC showed significantly higher Kapp-mean (P = 0.018), Kapp-median (P = 0.029) and Kapp-90th (P = 0.003) than low T-stage (T1/2) NPC. High N-stage NPC (N2/3) showed significantly lower Dapp-mean (P = 0.002), Dapp-median (P = 0.002) and Dapp-10th (P < 0.001) than low N-stage NPC (N0/1)...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28516960/clinicopathologic-idiosyncrasies-of-nasopharyngeal-cancer-in-a-moderate-risk-mediterranean-region
#2
K Kourelis, T Stergiou, A Papadas, T Kourelis, E Petta, T Papadas
Cancer of the nasopharynx displays an unparalleled skewness of its epidemiologic, pathogenic and clinico-prognostic characteristics depending on the geographic location. Between the endemic and sporadic forms, which occur in Southeastern Asia and Northern America, respectively, intermediate incidence is noted around the Mediterranean. This study describes the patterns of the disease affecting the population of Western Greece. The records of 70 patients with nasopharyngeal cancer diagnosed in a single institution between 1994-2014 were retrospectively reviewed...
June 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28515352/intensity-modulated-radiotherapy-provides-better-quality-of-life-than-two-dimensional-conventional-radiotherapy-for-patients-with-stage-ii-nasopharyngeal-carcinoma
#3
Xin-Bin Pan, Shi-Ting Huang, Kai-Hua Chen, Yan-Ming Jiang, Jia-Lin Ma, Song Qu, Ling Li, Long Chen, Xiao-Dong Zhu
Two-dimensional conventional radiotherapy (2D-CRT) and intensity-modulated radiotherapy (IMRT) are effective for control of nasopharyngeal carcinoma (NPC). The purpose of this study was to compare the quality of life (QoL) of stage II NPC patients treated with 2D-CRT versus IMRT. We conducted a cross-sectional study of 106 patients with stage II NPC treated with 2D-CRT (n = 47) versus IMRT (n = 59) between June 2008 and June 2013. For all subjects, disease-free survival was more than 3 years. QoL was assessed using the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30) questions and the Head and Neck 35 (EORTC QLQ-H&N35) questions...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28515347/mir-187-overexpression-inhibits-cervical-cancer-progression-by-targeting-hpv16-e6
#4
Mao Lin, Xiang Xue, Shu-Zhen Liang, Yin-Xiong Li, You-Yong Lv, Li-Hua He, Ke-Cheng Xu, Ji-Bing Chen, Li-Zhi Niu
Aberrantly expressed microRNAs contribute to the initiation and progression of human cancer. MiRNA-187 has been reported in nasopharyngeal, renal, pancreatic, prostate, and esophageal cancer, and acts as a tumor suppressor or oncogene. However, the underlying function of miRNA-187 in cervical cancer remains largely unexplored. In the present study, we demonstrated significantly miRNA-187 down-regulation in cervical cancer tissues and cell lines compared to their normal counterparts. Kaplan-Meier analysis revealed that decreased miRNA-187 was closely associated with shorter overall survival and relapse-free survival...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28514301/unusual-axillary-metastasis-of-recurrent-nasopharyngeal-cancer-a-case-report
#5
Deng-Yu Kuo, Min-Hsiang Chang, Shan-Ying Wang, Pei-Ying Hsieh, Pei-Wei Shueng
RATIONALE: Nasopharyngeal carcinoma (NPC) has a high propensity of metastasis. The most commonly described sites of distant metastasis are the bones, lungs, and liver, whereas axillary metastasis is seldom reported. PATIENT CONCERNS: We hereby present the case of a 66-year-old man with NPC, cT2N2M0, at diagnosis. He had completed chemoradiotherapy and been disease-free for 7 years. DIAGNOSES: After that period, late recurrence in the form of a solitary axillary lymph node metastasis was detected and confirmed by core-needle biopsy...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28507857/greater-omental-lymph-node-flap-for-upper-limb-lymphedema-with-lymph-nodes-depleted-patient
#6
Yu-Ying Chu, Robert J Allen, Ting-Jung Wu, Ming-Huei Cheng
BACKGROUND: The greater omentum is supplied by the right, middle, and left omental arteries, which arise from the right and left gastroepiploic arteries. All or part of the greater omentum can be harvested based on this blood supply for free tissue transfer. It has stimulated new interest in its use as the donor site in the treatment of lymphedema. For patients who have failed other management options or have limited peripheral lymph node donor sites, the greater omental lymph node flap may offer the best chance for lymphedema treatment...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28507812/a-barf1-specific-mab-as-a-new-immunotherapeutic-tool-for-the-management-of-ebv-related-tumors
#7
Riccardo Turrini, Anna Merlo, Debora Martorelli, Damiana Antonia Faè, Roberta Sommaggio, Isabella Monia Montagner, Vito Barbieri, Oriano Marin, Paola Zanovello, Riccardo Dolcetti, Antonio Rosato
The use of monoclonal antibodies (mAb) for the diagnosis and treatment of malignancies is acquiring an increasing clinical importance, thanks to their specificity, efficacy and relative easiness of use. However, in the context of Epstein-Barr virus (EBV)-related malignancies, only cancers of B-cell origin can benefit from therapeutic mAb targeting specific B-cell lineage antigens. To overcome this limitation, we generated a new mAb specific for BARF1, an EBV-encoded protein with transforming and immune-modulating properties...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28504814/microrna-212-inhibits-the-metastasis-of-nasopharyngeal-carcinoma-by-targeting-sox4
#8
Chengyi Jiang, Hongtao Wang, Lei Zhou, Tao Jiang, Yajia Xu, Lin Xia
MicroRNAs are important factors in the pathogenic processes of human types of cancers including nasopharyngeal carcinoma (NPC). In the present study, we confirmed that the microRNA-212 expression level was significantly decreased both in NPC tissues and NPC cell lines. Decreased expression of miR-212 was associated with advanced tumor-node-metastasis (TNM) stage and metastasis of NPC. Patients with a lower level of miR-212 had significantly decreased rates of overall and disease-free survival. Functional experiments showed that forced expression of miR-212 inhibited the migration and invasion of NPC cells while inhibition of miR-212 increased the migration and invasion of NPC cells...
May 15, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28501488/laminaria-japonica-polysaccharides-effectively-inhibited-the-growth-of-nasopharyngeal-carcinoma-cells-in-vivo-and-in-vitro-study
#9
Manli Zeng, Xingyu Wu, Fen Li, Wensheng She, Lin Zhou, Benyuan Pi, Zhiwen Xu, Xiaolin Huang
AIMS: Laminaria Japonica Polysaccharides (LJP) is a kind of plant polysaccharide isolated from Laminaria Japonica Aresch. LJP has a variety of biological activity, including anti-tumor, improving immune function, anti-radiation and others. This study observed the biological activity of LJP in vitro and in vivo on human nasopharyngeal carcinoma(NPC), and the possible anticancer mechanism was explored. METHODS: Nasopharyngeal poorly differentiated squamous cell carcinoma cell lines CNE2 and HONE1 were used for the study...
May 10, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28498819/a-large-scale-retrospective-study-of-the-overall-survival-outcome-in-nasopharyngeal-carcinoma-with-hypertension-in-chinese-population
#10
Pei Yang, Hesham Elhalawani, Yingrui Shi, Ying Tang, Yaqian Han, Yu Zhao, Fan Lou, Hekun Jin
BACKGROUND: It is known that hypertension is associated with high levels of vascular endothelial growth factor (VEGF) expression which is, in turn, highly connected to the prognosis of a wide array of cancers. The purpose of this study was to evaluate the relationship between hypertension and prognosis of nasopharyngeal carcinoma (NPC) with definitive radiotherapy in a Chinese population. PATIENTS AND METHODS: We retrospectively reviewed 4493 patients with NPC who received definitive radiotherapy from 1995 to 2006, with a minimum follow-up of 5 years...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28496336/curcumin-exerts-its-antitumor-activity-through-regulation-of-mir-7-skp2-p21-in-nasopharyngeal-carcinoma-cells
#11
Shaoyan Feng, Yu Wang, Rongkai Zhang, Guangwei Yang, Zibin Liang, Zhiwei Wang, Gehua Zhang
Curcumin, a natural polyphenol compound, exhibits tumor suppressive activity in a wide spectrum of cancers, including nasopharyngeal carcinoma cells. However, the exact molecular mechanisms governing this tumor suppressive activity remain elusive. Multiple studies have revealed that miRNAs are critically involved in tumorigenesis, indicating that targeting miRNAs could be a therapeutic strategy for treating human cancer. In the current study, we set out to determine whether curcumin regulates miR-7 expression in nasopharyngeal carcinoma cells...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28493307/hepatitis-b-virus-screening-and-reactivation-and-management-of-patients-with-nasopharyngeal-carcinoma-a-large-scale-big-data-intelligence-platform-based-analysis-from-an-endemic-area
#12
Jia-Wei Lv, Yu-Pei Chen, Xiao-Dan Huang, Guan-Qun Zhou, Lei Chen, Wen-Fei Li, Ling-Long Tang, Yan-Ping Mao, Ying Guo, Rui-Hua Xu, Jun Ma, Ying Sun
BACKGROUND: Chemotherapy, target therapy, and immunotherapy are increasingly being used in the systematic treatment of nasopharyngeal carcinoma (NPC), during which the occurrence of hepatitis B virus (HBV) reactivation might increase. However, data regarding HBV screening and reactivation and the clinical management of NPC patients with HBV infections are lacking. This study was aimed at clarifying the risk of reactivation for NPC patients on different regimens while providing evidence concerning HBV screening and management in an endemic area...
May 10, 2017: Cancer
https://www.readbyqxmd.com/read/28489930/prognostic-value-of-cervical-nodal-tumor-volume-in-nasopharyngeal-carcinoma-analysis-of-1230-patients-with-positive-cervical-nodal-metastasis
#13
Fo-Ping Chen, Guan-Qun Zhou, Zhen-Yu Qi, Li Lin, Jiang Hu, Xiao-Ju Wang, Ying Sun
PURPOSE: To investigate the variability and prognostic value of nodal tumor volume (NTV) in nasopharyngeal carcinoma (NPC). METHODS AND MATERIALS: Data on 1230 patients with newly diagnosed stage T1-4N1-3M0 NPC treated with definitive radiation therapy with or without chemotherapy at a single cancer center were reviewed. NTV was determined from dose volume histogram (DVH) data. X-tile analysis was applied to identify the optimal cut-off points for the NTV with respect to regional recurrence-free survival (RRFS)...
2017: PloS One
https://www.readbyqxmd.com/read/28487142/risk-factors-for-recurrent-pneumonia-in-post-irradiated-patients-with-nasopharyngeal-carcinoma
#14
Jing-Jie Wang, Rong-San Jiang, Ting-Ting Yen, Kai-Li Liang
BACKGROUND: Nasopharyngeal carcinoma (NPC) is a common cancer in eastern Asia. Chemoradiotherapy is the main treatment modality for NPC. Dysphagia and aspiration is not uncommon in post-irradiated NPC patients. The purpose of this study was to investigate the risk factors for recurrent pneumonia and the prognosis. METHODS: A retrospective chart review was conducted from January 2004 to December 2014. NPC patients who had been hospitalized for pneumonia in the study hospital were enrolled...
May 6, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28485346/squamous-cell-carcinoma-of-the-upper-aerodigestive-tract-in-exclusive-smokers-chewers-and-those-with-no-habits
#15
S Nair, S Datta, S Thiagarajan, S Chakrabarti, D Nair, P Chaturvedi
BACKGROUND: Tobacco consumption is the major risk factor for developing head and neck squamous cell cancer (SCC). The site of development of HNSCC may depend on the way the tobacco is consumed. While laryngeal cancers are more common among smokers, oral cancers are more common among tobacco chewers. Since the use of smokeless tobacco is increasing, it is important to know whether this difference is restricted only to site wise distribution or it has other clinical and pathological implications...
October 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28485337/outcomes-in-nasopharyngeal-carcinoma-results-from-a-nonendemic-cohort
#16
S G Laskar, L Gurram, T Gupta, A Budrukkar, V Murthy, J P Agarwal
INTRODUCTION: The treatment of nasopharyngeal carcinoma (NPC) has come a long way from treatment with conventional radiotherapy (RT) alone for the use of concurrent chemoradiotherapy (CCRT) and sequential chemotherapy (CT). We report the outcomes of patients treated with combined modality at a tertiary cancer center in India over a period of 10 years. MATERIALS AND METHODS: A total of 206 patients with NPC between 1994 and 2004, who completed planned treatment, were retrospectively analyzed...
October 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28483146/skull-base-osteomyelitis-secondary-to-malignant-otitis-externa-mimicking-advanced-nasopharyngeal-cancer-mr-imaging-features-at-initial-presentation
#17
J P N Goh, A Karandikar, S C Loke, T Y Tan
PURPOSE: Skull base osteomyelitis (SBOM) is an inflammatory process which often arises from malignant otitis externa (MOE); the diffuse skull base and adjacent soft tissue involvement may be mistaken at initial imaging for advanced nasopharyngeal carcinoma (NPC), especially if there is no prior knowledge of MOE, direct spread from the sphenoid sinus or in atypical presentations of MOE. This study aims to evaluate imaging features on MR that may differentiate SBOM from NPC. MATERIALS AND METHODS: The MR examinations of 26 patients diagnosed with SBOM between January 1996 and January 2013 were retrospectively reviewed...
April 26, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28478859/symptom-clusters-in-patients-with-nasopharyngeal-carcinoma-during-radiotherapy
#18
Wenli Xiao, Carmen W H Chan, Yuying Fan, Doris Y P Leung, Weixiong Xia, Yan He, Linquan Tang
PURPOSE: Despite the improvement in radiotherapy (RT) technology, patients with nasopharyngeal carcinoma (NPC) still suffer from numerous distressing symptoms simultaneously during RT. The purpose of the study was to investigate the symptom clusters experienced by NPC patients during RT. METHODS: First-treated Chinese NPC patients (n = 130) undergoing late-period RT (from week 4 till the end) were recruited for this cross-sectional study. They completed a sociodemographic and clinical data questionnaire, the Chinese version of the M...
June 2017: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/28471808/3-bromopyruvate-enhances-trail-induced-apoptosis-in-human-nasopharyngeal-carcinoma-cells-through-chop-dependent-upregulation-of-trail-r2
#19
Zhou Can, Song Lele, Zhang Zhirui, Pan Qiong, Chen Yuzhong, Liu Lingling, Zhao Surong, Sun Yiming, Zhang Pei, Jiang Chenchen, Hao Liu
Past reports have shown that the sensitivity of cancer cells to TRAIL-induced apoptosis is related to their expression of TRAIL-death receptors on the cell surface. However, the level of TRAIL-death receptors expression on cancer cells is always low. Our previous research showed that nasopharyngeal carcinoma (NPC) cells have a poor sensitivity to low doses of TRAIL. Here, we evaluated combined treatment with the energy inhibitor 3-bromopyruvate (3BP) and TRAIL as a method to produce an increased apoptotic response in NPC cells...
May 3, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28467970/tbx2-over-expression-promotes-nasopharyngeal-cancer-cell-proliferation-and-invasion
#20
Yan Lv, Meng Si, Nannan Chen, Ya Li, Xingkai Ma, Huijun Yang, Ling Zhang, Hongyan Zhu, Guang-Yin Xu, Ge-Ping Wu, C Cao
TBX2 is a member of the T box transcription factor family. Its expression and potential biological functions in nasopharyngeal cancer (NPC) cells are studied here. We showed that TBX2 mRNA and protein expression was significantly elevated in multiple human NPC tissues, as compared with that in adjacent normal tissues. Knockdown of TBX2 by targeted-siRNA significantly inhibited proliferation and invasion of NPC cells (CNE-1 and HONE-1 lines). Meanwhile, TBX2 knockdown also induced G1-phase cell cycle arrest...
April 13, 2017: Oncotarget
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