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https://www.readbyqxmd.com/read/29327473/risk-assessment-for-metalworking-fluids-and-cancer-outcomes
#1
Robert M Park
BACKGROUND: Metalworking fluids (MWF) are complex mixtures with dermal and inhalation exposure. Published reports reveal excess cancer risk. METHODS: Using published findings exposure response was derived for each attributable cancer site. Aggregate excess lifetime risk was estimated by applying a lifetable calculation. RESULTS: Cancer sites contributing the most attributable cases were larynx, esophagus, brain, female breast, and uterine cervix...
January 12, 2018: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/29327043/association-of-oral-microbiome-with-risk-for-incident-head-and-neck-squamous-cell-cancer
#2
Richard B Hayes, Jiyoung Ahn, Xiaozhou Fan, Brandilyn A Peters, Yingfei Ma, Liying Yang, Ilir Agalliu, Robert D Burk, Ian Ganly, Mark P Purdue, Neal D Freedman, Susan M Gapstur, Zhiheng Pei
Importance: Case-control studies show a possible relationship between oral bacteria and head and neck squamous cell cancer (HNSCC). Prospective studies are needed to examine the temporal relationship between oral microbiome and subsequent risk of HNSCC. Objective: To prospectively examine associations between the oral microbiome and incident HNSCC. Design, Setting, and Participants: This nested case-control study was carried out in 2 prospective cohort studies: the American Cancer Society Cancer Prevention Study II Nutrition Cohort (CPS-II) and the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial (PLCO)...
January 11, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29322878/mechanical-cellular-and-proteomic-properties-of-laryngotracheal-cartilage
#3
Christine M Pauken, Richard Heyes, David G Lott
The larynx sometimes requires repair and reconstruction due to cancer resection, trauma, stenosis, or developmental disruptions. Bioengineering has provided some scaffolding materials and initial attempts at tissue engineering, especially of the trachea, have been made. The critical issues of providing protection, maintaining a patent airway, and controlling swallowing and phonation, require that the regenerated laryngotracheal cartilages must have mechanical and material properties that closely mimic native tissue...
January 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29315499/increased-pathologic-upstaging-with-rising-time-to-treatment-initiation-for-head-and-neck-cancer-a-mechanism-for-increased-mortality
#4
Roy Xiao, Matthew C Ward, Kailin Yang, David J Adelstein, Shlomo A Koyfman, Brandon L Prendes, Brian B Burkey
BACKGROUND: Time to treatment initiation (TTI) is increasing and is associated with worsening survival. In the current study, the authors sought to identify a mechanism for this relationship by assessing the effect of TTI on clinical-to-pathologic upstaging in patients with head and neck squamous cell carcinoma (HNSCC). METHODS: Using the National Cancer Data Base, the authors analyzed patients receiving definitive surgery for SCC of the oral cavity, oropharynx, larynx, and hypopharynx from 2005 through 2014...
January 9, 2018: Cancer
https://www.readbyqxmd.com/read/29312563/trkb-promotes-laryngeal-cancer-metastasis-via-activation-pi3k-akt-pathway
#5
Liang Jiang, Zhihai Wang, Chuan Liu, Zhitao Gong, Yucheng Yang, Houyong Kang, Yanshi Li, Guohua Hu
Objectives: The aim of our study was to investigate the role of TrkB pathway in tumor occurrence and development for in order to provide theoretical basis to laryngeal cancer therapy. Materials and methods: Biological characteristics of the cells were studied by migration tests and colony forming assay. Gene and protein expression analysis was performed by RT-PCR or western blot. in vivo experiments were conducted in syngeneic BALB/c mice. Results: Significant changes in protein and gene expression, including higher expression level of TrkB, were found in cells and laryngeal cancer specimens...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29310495/outcome-of-carotid-and-subclavian-blowout-syndrome-in-patients-with-pharynx-and-larynx-carcinoma-passing-a-standardized-multidisciplinary-treatment
#6
Constanze Gahleitner, Benedikt Hofauer, Katharina Storck, Andreas Knopf
BACKGROUND: Carotid blowout syndrome (CBS) is one of the most feared emergencies in the head and neck surgery and tends to occur in patients with head and neck cancer, wound complications, pharyngocutaneous fistulas, or after radio(chemo)therapy. CBS is always life threatening and associated with a 50% mortality/morbidity rate. METHODS: Between 2007 and 2015, a total of 51 patients who developed CBS caused by the tumour masses or after radio(chemo)therapy were included...
January 8, 2018: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29307338/expression-of-mir-373-and-its-predicted-target-genes-e-cadherin-and-cd44-in-patients-with-laryngeal-squamous-cell-carcinoma
#7
Özlem Timirci-Kahraman, Ayşegül Verim, Ammad Ahmad Farooqi, Saime Turan, Nazli Ezgi Özkan-Küçük, İlhan Yaylim
Laryngeal squamous cell carcinoma (LSCC) is a genomically complex disease that is difficult to target, and efforts have been made to identify new treatment strategies and   molecular markers that might stratify patients and individualize options for treatment. miR-373 has diametrically opposed roles in different stages and types of cancers. miR-373 has been suggested to quantitatively control E-cadherin and CD44 expression. We studied the expression of miR-373, E-cadherin and CD44 in laryngeal squamous cell carcinoma and evaluated the association between the disease and clinical characteristics of patients...
December 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29306494/review-of-handle-on-qol-a-database-of-published-papers-that-use-questionnaires-to-report-quality-of-life-in-patients-with-cancer-of-the-head-and-neck
#8
R J Wotherspoon, A N Kanatas, S N Rogers
HaNDLE-on-QoL (Head And Neck Database Listing Evidence on QoL) is a searchable database that comprises abstracts of papers that have used questionnaires to report on quality of life (QoL) in patients with cancer of the head and neck. It can be searched by title, first author, year of publication, words used in the abstract, site of cancer, study design, and questionnaires used. The aim of this paper was to summarise its contents. In May 2017 we searched the website using the criteria above. It contained 1498 papers (including 149 reviews), and the number is increasing each year...
January 3, 2018: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29289868/avoiding-the-ingestion-of-cytotoxic-concentrations-of-ethanol-may-reduce-the-risk-of-cancer-associated-with-alcohol-consumption
#9
Emilio Guillén-Mancina, José Manuel Calderón-Montaño, Miguel López-Lázaro
Alcohol consumption is a known risk factor for cancer. Almost 6% of all cancers worldwide are attributable to alcohol use. Approximately half of them occur in tissues highly exposed to ethanol, such as the oral cavity, pharynx, upper larynx and esophagus. However, since ethanol is not mutagenic and the mutagenic metabolite of ethanol (acetaldehyde) is mainly produced in the liver, it is unclear why alcohol consumption preferentially exerts a local carcinogenic effect. Recent findings indicate that the risk of cancer in a tissue is strongly correlated with the number of stem cell divisions accumulated by the tissue; the accumulation of stem cell divisions leads to the accumulation of cancer-promoting errors such as mutations occurring during DNA replication...
December 27, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29287997/marinobufagin-a-molecule-from-poisonous-frogs-causes-biochemical-morphological-and-cell-cycle-changes-in-human-neoplasms-and-vegetal-cells
#10
Paulo Michel Pinheiro Ferreira, Kátia da Conceição Machado, Lívia Queiroz de Sousa, Daisy Jereissati Barbosa Lima, Bruno Marques Soares, Bruno Coêlho Cavalcanti, Sarah Sant' Anna Maranhão, Janaina da Costa de Noronha, Domingos de Jesus Rodrigues, Gardenia Carmen Gadelha Militão, Mariana Helena Chaves, Gerardo Magela Vieira-Júnior, Cláudia Pessoa, Manoel Odorico de Moraes, João Marcelo de Castro E Sousa, Ana Amélia de Carvalho Melo-Cavalcante
Skin toad secretion present physiologically active molecules to protect them against microorganisms, predators and infections. This work detailed the antiproliferative action of marinobufagin on tumor and normal lines, investigate its mechanism on HL-60 leukemia cells and its toxic effects on Allium cepa meristematic cells. Initially, cytotoxic action was assessed by colorimetric assays. Next, HL-60 cells were analyzed by morphological and flow cytometry techniques and growing A. cepa roots were examined after 72 h exposure...
December 26, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29285811/ezh2-overexpression-in-head-and-neck-cancer-is-related-to-lymph-node-metastasis
#11
Julie C Nienstedt, Cornelia Schroeder, Till Clauditz, Ronald Simon, Guido Sauter, Adrian Muenscher, Marco Blessmann, Henning Hanken, Christina Pflug
BACKGROUND: Enhancer of zeste homolog 2 (EZH2), the catalytic subunit of the polycomb repressive complex 2, plays an important role in tumor development and progression by interacting with histone and non-histone proteins. EZH2 represents a putative therapeutic target and has been suggested as a prognostic marker in several cancer types. MATERIAL AND METHODS: The present study investigates the prognostic relevance of immunohistochemical EZH2 expression in head and neck squamous cell carcinoma...
December 29, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29262511/-surgical-management-of-elderly-patients-with-medial-wall-pyriform-sinus-cancer
#12
Q Wang, Y H Liu, G Q Hu, K L Wu, B S Tong, C B Gao, Y Zhao
Objective: To investigate the clinical efficacy of preoperative-, postoperative-radiotherapy and surgery for preserving laryngeal function in patient over 70 years of age with medial wall pyriform sinus cancer. Methods: Clinical data of 48 patients over 70 years of age with medial wall pyriform sinus cancer who received surgical treatment from January 2001 to December 2010 were retrospectively analyzed. Among them, 21 cases were given preoperative radiotherapy and surgery (R+ S). The radiation therapy dose was 45 Gy...
December 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/29247495/presenting-symptoms-and-long-term-survival-in-head-and-neck-cancer
#13
C M Douglas, K Ingarfield, A D McMahon, S A Savage, D I Conway, K MacKenzie
OBJECTIVES: To assess how type and number of symptoms are related to survival in head and neck cancer patients. DESIGN: Patients were followed-up for over 10 years from the Scottish Audit of Head and Neck Cancer; (national cohort of head and neck cancer patients in Scotland 1999 - 2001). September 2013, cohort was linked to national mortality data. First, second and third presenting symptoms were recorded at diagnosis. SETTING: National prospective audit - Scotland...
December 15, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29245955/salivary-mirna-panel-to-detect-hpv-positive-and-hpv-negative-head-and-neck-cancer-patients
#14
Yunxia Wan, Dimitrios Vagenas, Carolina Salazar, Liz Kenny, Chris Perry, Diego Calvopiña, Chamindie Punyadeera
Head and neck squamous cell carcinomas (HNSCC) are a heterogeneous group of tumours that originate predominantly from the oral cavity, pharynx and larynx. Our aim was to determine whether salivary miRNA expression levels can diagnose these cancer subtypes. Saliva samples were collected from healthy controls (n=113, smoker and non-smokers), HPV-positive (n=54) and HPV-negative (n=47) HNSCC patients. The miRNA expression levels in saliva was quantified using qPCR. The potential of salivary miRNAs to discriminate these groups of patients was evaluated using multiple logistic regression with ROC analysis and a 10-fold cross-validation analysis...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29245332/elevated-18f-naf-uptake-in-cricoid-cartilage-in-a-patient-with-laryngeal-carcinoma-a-case-report-and-literature-review
#15
Yuxiao Xia, Chi Qi, Shumao Zhang, Zhanwen Huang, Yue Chen
RATIONALE: Laryngeal cancer is aggressive tumor that arises from the tissues of the larynx. Although any bone can be affected, involvement of cricoid cartilage was reported very rarely, and there has been no report of 18F-sodium fluoride positron emission tomography-computed tomography (F-NaF PET-CT) and 3D PET-CT for the evaluation of cricoid cartilage invasion. PATIENT CONCERNS: A 54-year-old male discovered a protruding mass in the right anterior neck, which had rapidly increased in size over a period of 2 months...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29238975/effect-of-rural-and-urban-geography-on-larynx-cancer-incidence-and-survival
#16
Steven A Zuniga, Miriam N Lango
OBJECTIVES/HYPOTHESIS: Investigate the impact of rural geography on larynx cancer incidence and survival. STUDY DESIGN: Surveillance, Epidemiology, and End Results (SEER) database study. METHODS: Incidence and survival rates by Rural-Urban Continuum codes for larynx squamous cell carcinoma patients diagnosed from 2004 to 2012 were evaluated using SEER statistical software and Cox proportional hazards survival analysis. RESULTS: The lowest age-adjusted incidence rates for larynx cancer were seen in densely populated urban regions, with mean rates of 2...
December 14, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29238679/novel-program-of-using-village-health-workers-in-early-detection-and-awareness-of-head-and-neck-cancers-audit-of-a-community-screening-program
#17
Girish S Mishra, Sushen H Bhatt
Head and neck cancers together (oral cavity, pharynx and larynx) are sixth commonest worldwide and are the commonest cancers in developing countries. The Cancer Project was started in Kheda/Anand, Gujarat, a harvest land of tobacco. The objective of this programme was to indoctrinate the most vulnerable and the least tended upon; the basics of head and neck cancers via the medium of their own kins. Voluntary village health workers were educated and trained to pick up the early signs of head and neck cancers...
December 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29237917/influence-of-risk-factors-on-stomal-recurrence-after-total-laryngectomy-for-laryngeal-carcinomas-a-meta-analysis
#18
Zhi-Yi Wang, Ze-Qin Li, Han Ji, Wei Chen, Kun-Min Wu, Min-Hui Zhu, Hong-Liang Zheng
BACKGROUND: Total laryngectomy is preserved for those the most advanced larynx cancer and nonsurgical cases. However, stomal recurrence is frequently occurred and leads to high mortality. Herein, we aimed to determine the risk factors for the stomal recurrence after total laryngectomy (SRAL). METHODS: Databases such as PubMed and EMBASE were comprehensively searched using the keywords "stomal recurrence" and "total laryngectomy." Based on the inclusion and exclusion criteria, qualified studies would be incorporated in this meta-analysis, followed by quality evaluation and data extraction...
2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29229323/mri-based-assessment-of-3d-intrafractional-motion-of-head-and-neck-cancer-for-radiation%C3%A2-therapy
#19
Oliver J Gurney-Champion, Dualta McQuaid, Alex Dunlop, Kee H Wong, Liam C Welsh, Angela M Riddell, Dow-Mu Koh, Uwe Oelfke, Martin O Leach, Christopher M Nutting, Shreerang A Bhide, Kevin J Harrington, Rafal Panek, Kate L Newbold
PURPOSE: To determine the 3-dimensional (3D) intrafractional motion of head and neck squamous cell carcinoma (HNSCC). METHODS AND MATERIALS: Dynamic contrast-enhanced magnetic resonance images from 56 patients with HNSCC in the treatment position were analyzed. Dynamic contrast-enhanced magnetic resonance imaging consisted of 3D images acquired every 2.9 seconds for 4 minutes 50 seconds. Intrafractional tumor motion was studied in the 3 minutes 43 seconds of images obtained after initial contrast enhancement...
October 16, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29228752/nonsteroidal-anti-inflammatory-drugs-using-and-risk-of-head-and-neck-cancer-a-dose-response-meta-analysis-of-prospective-cohort-studies
#20
Jun Shi, Weidong Leng, Lunhua Zhao, Chenli Xu, Jue Wang, Xiaoli Chen, Yu Wang, Xingchun Peng
Conflicting results identifying the relationship between nonsteroidal anti-inflammatory drugs using and head and neck cancer risk. Therefore, we performed this meta-analysis to clarify and quantitative assessed the relationship between nonsteroidal anti-inflammatory drugs using and head and neck cancer risk. Up to March 2017, 11 original publications were included in this meta-analysis. Our results showed statistically significant association between nonsteroidal anti-inflammatory drugs using and head and neck cancer risk reduction...
November 17, 2017: Oncotarget
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