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Nasopharynx cancer

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https://www.readbyqxmd.com/read/28418897/treatment-for-retropharyngeal-metastatic-undifferentiated-squamous-cell-carcinoma-from-an-unknown-primary-site-results-of-a-prospective-study-with-irradiation-to-nasopharyngeal-mucosa-plus-bilateral-neck
#1
Chengrun Du, Hongmei Ying, Youwang Zhang, Yafang Huang, Ruiping Zhai, Chaosu Hu
Background and Objetive: To evaluate treatment outcomes for patients with retropharyngeal metastatic undifferentiated squamous cell carcinoma (SCC) from an unknown primary site. METHODS: From January 2005 to January 2015, patients who presented with enlarged retropharyngeal nodes underwent transoral sonography-guided fine-needle aspiration to confirm histology. Those with metastatic undifferentiated SCC with unknown primary tumors were treated with radical radiotherapy to nasopharyngeal mucosa plus bilateral neck...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413147/branchial-cleft-cyst-an-unusual-site-for-the-cervical-metastasis-of-nasopharyngeal-carcinoma
#2
Yu-Chang Liao, Mohamad Adel, Li-Yu Lee, Kai-Ping Chang
OBJECTIVE: Cancers found in the resected branchial cleft cyst are rare clinically but usually impose substantive diagnostic and treatment challenges for clinicians. METHODS: A 31-year-old man presented with a lateral neck mass that was suspected to be an inflammatory branchial cleft cyst. After excision, the pathologic specimen revealed a benign cystic appearance with a focus of undifferentiated carcinoma. Serologic tests for Epstein-Barr virus were negative. A positron emission tomography scan and upper aerodigestive tract endoscopies were negative for any other suspicious lesion...
April 13, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28390122/orbital-apex-syndrome-affecting-head-and-neck-cancer-patients-a-case-series
#3
A-C Prado-Ribeiro, A-C Luiz, M-A Montezuma, M-P Mak, A-R Santos-Silva, T-B Brandão
BACKGROUND: Orbital apex syndrome (OAS) is a complex and uncommon disorder that typically damages multiple cranial nerves in association with optic nerve dysfunction. OAS is associated with several different pathologies, however; only a few cases have been reported in association with head and neck cancer (HNC) so far. MATERIAL AND METHODS: A case series of HNC patients diagnosed with OAS is described including clinicopathological data, image findings, and disease outcome...
April 8, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28383207/nimbolide-induces-apoptosis-in-human-nasopharyngeal-cancer-cells
#4
Su-Yu Chien, Ching-Hui Hsu, Chia-Chieh Lin, Yi-Ching Chuang, Yu-Sheng Lo, Yi-Ting Hsi, Ming-Ju Hsieh, Mu-Kuan Chen
Nasopharyngeal carcinoma (NPC), a tumor arising from epithelial cells that cover the surface and line the nasopharynx, is a rare malignancy worldwide but is prevalent in certain geographical areas, such as Southern Asia (Taiwan, Hong Kong, Singapore, Malaysia, and Southern China) and North Africa. Despite advances in diagnostic techniques and improvements in treatment modalities, the prognosis of NPC remains poor. Therefore, an effective chemotherapy regimen that enhances tumor sensitivity to chemotherapeutics is urgently required...
April 6, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28382490/silencing-of-y-box-binding-protein-1-by-rna-interference-inhibits-proliferation-invasion-and-metastasis-and-enhances-sensitivity-to-cisplatin-through-nf-%C3%AE%C2%BAb-signaling-pathway-in-human-neuroblastoma-sh-sy5y-cells
#5
Hong Wang, Ruowen Sun, Zuofei Chi, Shuang Li, Liangchun Hao
Y-box binding protein-1 (YB-1), a member of Y-box protein family binding DNA and RNA, has been proposed as a novel marker in multiple malignant tumors and found to be associated with tumor malignancy. Neuroblastoma is an embryonal tumor arising from neuroblast cells of the autonomic nervous system, which is the most common cancer diagnosed in infants. It has been reported that YB-1 is highly expressing in various human tumors including nasopharynx, thyroid, lung, breast, colon, ovary, and prostate cancers. This study aimed to investigate the functional role of YB-1 in neuroblastoma by silencing YB-1 using RNA interference (shRNA) in neuroblastoma SH-SY5Y cells...
April 5, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28382126/primary-concurrent-chemoradiation-in-head-and-neck-cancers-with-weekly-cisplatin-chemotherapy-analysis-of-compliance-toxicity-and-survival
#6
Muhammad Shahid Iqbal, Cheng Chaw, Josef Kovarik, Shahzeena Aslam, Aaron Jackson, John Kelly, Werner Dobrowsky, Charles Kelly
Introduction Concurrent chemoradiation is the standard of care in inoperable locally advanced squamous cell head and neck cancers. The most widely accepted schedule of concomitant cisplatin is 100mg/m(2) given on a 3 weekly basis but the optimal regime is unknown. Objective The objective of this study is to assess the tolerability, compliance, and clinical outcomes of weekly cisplatin (40mg/m(2)). Methods During the period of January 2007-December 2009, we analyzed retrospectively 122 patients with histologically proven squamous cell carcinoma of head and neck (nasopharynx, oropharynx, larynx, hypopharynx, and oral cavity) treated with definitive chemoradiation...
April 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28358263/lncrna-ccat1-modulates-the-sensitivity-of-paclitaxel-in-nasopharynx-cancers-cells-via-mir-181a-cpeb2-axis
#7
Qiaosu Wang, Wenjing Zhang, Shaojuan Hao
Recent studies reported that long non-coding RNA (lncRNA) might play critical roles in regulating chemo-resistant of multiple types of cancer. This study aimed to investigate whether long non-coding RNA CCAT1 was involved in Paclitaxel resistance in nasopharyngeal carcinoma (NPC). qRT-PCR was used for testing the expression of CCAT1, miR-181a and CPEB2 in tumor tissues and NPC cancers. NPC cells were transfected with siRNAs to suppress the mRNA level of CCAT1 in NPC cells. MTT assays and flow cytometry analysis were used to assess the sensitivity of paclitaxel in NPC cells...
April 18, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28351586/epidemiology-of-oral-salivary-gland-and-pharyngeal-cancer-in-children-and-adolescents-between-1970-and-2011
#8
Shai Levi, Avraham Zini, Stuart Fischman, Rakefet Czerninski
OBJECTIVES: The age of oral and pharyngeal cancer patients has reportedly decreased over the last decade, but most of the peer-reviewed literature regarding oral and pharyngeal cancer in individuals 0-19years of age (Y) is limited to specific tumor sites and/or types, or a small number of cases. Our aim is to characterize oral, salivary gland and pharyngeal cancer (OSPC) in 0-19Y in order to improve knowledge of the disease in young individuals. METHODS: Data on OSPC between 1970 and 2011 was taken from the Israel National Cancer Registry, and included patient age, gender, tumor site and tumor type...
April 2017: Oral Oncology
https://www.readbyqxmd.com/read/28342482/treatment-outcomes-in-veterans-with-hpv-positive-head-and-neck-cancer
#9
Aaron J Feinstein, Sophie G Shay, Elena Chang, Michael S Lewis, Marilene B Wang
OBJECTIVES: Head and neck squamous cell carcinoma (HNSCC) caused by the human papilloma virus (HPV) has an improved prognosis relative to HPV-negative tumors. Patients with HPV-positive disease may benefit from different treatment modalities in order to optimize survival and quality of life. We sought to investigate HPV-positive HNSCC within the military veteran population, and analyze the role of treatment modality in outcomes of patients with HPV-positive and HPV-negative tumors. METHODS: Patients diagnosed with HNSCC between January 1, 2010 and December 31, 2014 at one regional veterans health center were retrospectively examined...
March 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28336186/variation-in-head-and-neck-cancer-care-in-the-netherlands-a-retrospective-cohort-evaluation-of-incidence-treatment-and-outcome
#10
M de Ridder, A J M Balm, R J Baatenburg de Jong, C H J Terhaard, R P Takes, M Slingerland, E Dik, R J E Sedee, J G A M de Visscher, H Bouman, S M Willems, M W Wouters, L E Smeele, B A C van Dijk
BACKGROUND: To explore variation in numbers and treatment between hospitals that treat head and neck cancer (HNC) in the Netherlands. MATERIAL AND METHODS: Patient, tumor and treatment characteristics were collected from the Netherlands Cancer Registry, while histopathological features were obtained by linkage to the national pathology record register PALGA. Inter-hospital variation in volume, stage, treatment, pathologically confirmed loco-regional recurrence and overall survival rate was evaluated by tumor site...
March 8, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28259949/berberine-inhibits-the-proliferation-of-human-nasopharyngeal-carcinoma-cells-via-an-epstein-barr-virus-nuclear-antigen%C3%A2-1-dependent-mechanism
#11
Chao Wang, Huan Wang, Yaqian Zhang, Wei Guo, Cong Long, Jingchao Wang, Limei Liu, Xiaoping Sun
Nasopharyngeal carcinoma (NPC) is a malignancy derived from the epithelial cells of the nasopharynx cavity, and is closely associated with Epstein-Barr virus (EBV) infection. In addition to NPC, EBV causes various human malignancies, such as gastric cancer, hematological tumors and lymphoepithelioma-like carcinomas. Epstein-Barr nuclear antigen 1 (EBNA1) encoded by EBV is indispensable for replication, partition, transcription and maintenance of viral genomes. Berberine, a naturally occurring isoquinoline alkaloid, shows anti-inflammatory, anticholinergic, antioxidative, and anticancer activities...
April 2017: Oncology Reports
https://www.readbyqxmd.com/read/28241096/the-prognostic-role-of-sex-race-and-human-papillomavirus-in-oropharyngeal-and-nonoropharyngeal-head-and-neck-squamous-cell-cancer
#12
Carole Fakhry, William H Westra, Steven J Wang, Annemieke van Zante, Yuehan Zhang, Eleni Rettig, Linda X Yin, William R Ryan, Patrick K Ha, Alicia Wentz, Wayne Koch, Jeremy D Richmon, David W Eisele, Gypsyamber D'Souza
BACKGROUND: Human papillomavirus (HPV) is a well-established prognostic marker for oropharyngeal squamous cell cancer (OPSCC). Because of the limited numbers of women and nonwhites in studies to date, sex and racial/ethnic differences in prognosis have not been well explored. In this study, survival differences were explored by the tumor HPV status among 1) patients with OPSCCs by sex and race and 2) patients with nonoropharyngeal (non-OP) head and neck squamous cell cancers (HNSCCs)...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28214285/-local-failures-of-nasopharynx-carcinoma-anatomoclinical-aspects-and-therapeutic-results
#13
L Ghorbal, F Elloumi, W Siala, A Khabir, A Ghorbel, M Frikha, J Daoud
PURPOSE: Retrospective analysis of clinical aspects and therapeutic results of nasopharynx cancer local failures. PATIENTS AND METHODS: Forty patients with local failure with or without nodal involvement of nasopharyngeal carcinoma were treated between 1993 and 2013. Reirradiation of nasopharynx was delivered at the dose of 60Gy. Platinum-based chemotherapy was indicated in case of locally advanced disease and/or associated nodal failure. RESULTS: The mean age at diagnosis of primitive tumour was 41...
February 14, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28128848/head-and-neck-cancers-major-changes-in-the-american-joint-committee-on-cancer-eighth-edition-cancer-staging-manual
#14
William M Lydiatt, Snehal G Patel, Brian O'Sullivan, Margaret S Brandwein, John A Ridge, Jocelyn C Migliacci, Ashley M Loomis, Jatin P Shah
Answer questions and earn CME/CNE The recently released eighth edition of the American Joint Committee on Cancer (AJCC) Staging Manual, Head and Neck Section, introduces significant modifications from the prior seventh edition. This article details several of the most significant modifications, and the rationale for the revisions, to alert the reader to evolution of the field. The most significant update creates a separate staging algorithm for high-risk human papillomavirus-associated cancer of the oropharynx, distinguishing it from oropharyngeal cancer with other causes...
March 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28118455/trends-and-patterns-of-disparities-in-cancer-mortality-among-us-counties-1980-2014
#15
Ali H Mokdad, Laura Dwyer-Lindgren, Christina Fitzmaurice, Rebecca W Stubbs, Amelia Bertozzi-Villa, Chloe Morozoff, Raghid Charara, Christine Allen, Mohsen Naghavi, Christopher J L Murray
Introduction: Cancer is a leading cause of morbidity and mortality in the United States and results in a high economic burden. Objective: To estimate age-standardized mortality rates by US county from 29 cancers. Design and Setting: Deidentified death records from the National Center for Health Statistics (NCHS) and population counts from the Census Bureau, the NCHS, and the Human Mortality Database from 1980 to 2014 were used. Validated small area estimation models were used to estimate county-level mortality rates from 29 cancers: lip and oral cavity; nasopharynx; other pharynx; esophageal; stomach; colon and rectum; liver; gallbladder and biliary; pancreatic; larynx; tracheal, bronchus, and lung; malignant skin melanoma; nonmelanoma skin cancer; breast; cervical; uterine; ovarian; prostate; testicular; kidney; bladder; brain and nervous system; thyroid; mesothelioma; Hodgkin lymphoma; non-Hodgkin lymphoma; multiple myeloma; leukemia; and all other cancers combined...
January 24, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28109466/definitive-proton-beam-therapy-for-adenoid-cystic-carcinoma-of-the-nasopharynx-involving-the-base-of-skull
#16
Michelle S Gentile, Darwin Yip, Norbert J Liebsch, Judith A Adams, Paul M Busse, Annie W Chan
OBJECTIVES: Management of unresectable adenocystic carcinoma (ACC) of the nasopharynx is challenging given the high dose required for tumor control while respecting dose constraints. We evaluated long-term outcomes and toxicity in patients with unresectable ACC of the nasopharynx treated with definitive proton beam therapy. METHODS: Between 2000 and 2013, 14 patients with ACC of the nasopharynx were treated. Ninety-three percent had T4 disease. All had involvement of the skull base...
February 2017: Oral Oncology
https://www.readbyqxmd.com/read/28109073/cyclin-dependent-kinase-inhibitor-3-promotes-cancer-cell-proliferation-and-tumorigenesis-in-nasopharyngeal-carcinoma-by-targeting-p27
#17
Huimin Wang, Hexin Chen, Hang Zhou, Wenfa Yu, Zhenmin Lu
Nasopharyngeal carcinoma (NPC) is a common head and neck malignancy with high invasion which arises from the nasopharynx epithelium. Cyclin-dependent kinase inhibitor 3 (CDKN3) belongs to the dual-specificity protein phosphatase family which plays a key role in regulating cell division. Abnormal expression of CDKN3 has been found in numerous types of cancer. In the current study, we explored the possible role of CDKN3 in cell proliferation, invasion ability and radiosensitivity in NPC cells. We reported that CDKN3 was upregulated and P27 was downregulated in NPC tissues and associated with worse patient prognosis...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28098136/exome-and-genome-sequencing-of-nasopharynx-cancer-identifies-nf-%C3%AE%C2%BAb-pathway-activating-mutations
#18
Yvonne Y Li, Grace T Y Chung, Vivian W Y Lui, Ka-Fai To, Brigette B Y Ma, Chit Chow, John K S Woo, Kevin Y Yip, Jeongsun Seo, Edwin P Hui, Michael K F Mak, Maria Rusan, Nicole G Chau, Yvonne Y Y Or, Marcus H N Law, Peggy P Y Law, Zoey W Y Liu, Hoi-Lam Ngan, Pok-Man Hau, Krista R Verhoeft, Peony H Y Poon, Seong-Keun Yoo, Jong-Yeon Shin, Sau-Dan Lee, Samantha W M Lun, Lin Jia, Anthony W H Chan, Jason Y K Chan, Paul B S Lai, Choi-Yi Fung, Suet-Ting Hung, Lin Wang, Ann Margaret V Chang, Simion I Chiosea, Matthew L Hedberg, Sai-Wah Tsao, Andrew C van Hasselt, Anthony T C Chan, Jennifer R Grandis, Peter S Hammerman, Kwok-Wai Lo
Nasopharyngeal carcinoma (NPC) is an aggressive head and neck cancer characterized by Epstein-Barr virus (EBV) infection and dense lymphocyte infiltration. The scarcity of NPC genomic data hinders the understanding of NPC biology, disease progression and rational therapy design. Here we performed whole-exome sequencing (WES) on 111 micro-dissected EBV-positive NPCs, with 15 cases subjected to further whole-genome sequencing (WGS), to determine its mutational landscape. We identified enrichment for genomic aberrations of multiple negative regulators of the NF-κB pathway, including CYLD, TRAF3, NFKBIA and NLRC5, in a total of 41% of cases...
January 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28094052/the-association-of-cancer-risks-with-pentachlorophenol-exposure-focusing-on-community-population-in-the-areas-along-certain-section-of-yangtze-river-in-china
#19
Yanjie Cui, Ling Liang, Qi Zhong, Qian He, Xiaomei Shan, Keyang Chen, Fen Huang
Pentachlorophenol (PCP) was used in large quantities, and mainly for killing the intermediate host snails of schistosome in China, thereby resulting in ubiquitous PCP residue in the environment. However, studies considering the carcinogenicity of PCP for humans mainly focused on occupational workers, and the actual carcinogenicity of PCP for general population is uncertain. To investigate the association between cancer risks and PCP exposure in a community population, an ecological study was conducted in three contaminated areas along the Yangtze River...
January 13, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28053841/epidemiology-and-inequality-in-the-incidence-and%C3%A2-mortality-of-nasopharynx-cancer-in-asia
#20
Neda Mahdavifar, Mahshid Ghoncheh, Abdollah Mohammadian-Hafshejani, Bahman Khosravi, Hamid Salehiniya
OBJECTIVES: One of the most common head and neck cancers is nasopharynx cancer. Knowledge about the incidence and mortality of this disease and its distribution in terms of geographical areas is necessary for further study and better planning. Therefore, this study was conducted with the aim of determining the incidence and mortality rates of nasopharynx cancer and its relationship with the Human Development Index (HDI) in Asia in 2012. METHODS: The aim of this ecologic study was to assess the correlation between age-specific incidence rate (ASIR) and age-specific mortality rate (ASMR) with HDI and its components, which include the following: life expectancy at birth, mean years of schooling, and gross national income per capita...
December 2016: Osong Public Health and Research Perspectives
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