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Epidemiology of cancer

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https://www.readbyqxmd.com/read/29036600/brain-cancer-cluster-investigation-around-a-factory-emitting-dichloromethane
#1
Konstantinos C Makris, Michael Voniatis
Background: The health risks associated with dichloromethane (DCM) for the general population living near industrial activities have not yet been quantified, primarily due to lack of epidemiological datasets. In the absence of such human data, we undertook a cancer cluster investigation in Cyprus around a historically using DCM plant producing shoe soles that were globally exported. We designed the methodology to investigate the possible existence of a cancer cluster in the area around the factory (point zero) and within a radius of 500 meters...
October 4, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/29036167/development-and-validation-of-a-protocol-for-optimizing-the-use-of-paraffin-blocks-in-molecular-epidemiological-studies-the-example-from-the-hpv-ahead-study
#2
Marisa Mena, Belen Lloveras, Sara Tous, Johannes Bogers, Fausto Maffini, Nitin Gangane, Rekha Vijay Kumar, Thara Somanathan, Eric Lucas, Devasena Anantharaman, Tarik Gheit, Xavier Castellsagué, Michael Pawlita, Silvia de Sanjosé, Laia Alemany, Massimo Tommasino
Worldwide use of formalin-fixed paraffin-embedded blocks (FFPE) is extensive in diagnosis and research. Yet, there is a lack of optimized/standardized protocols to process the blocks and verify the quality and presence of the targeted tissue. In the context of an international study on head and neck cancer (HNC)-HPV-AHEAD, a standardized protocol for optimizing the use of FFPEs in molecular epidemiology was developed and validated. First, a protocol for sectioning the FFPE was developed to prevent cross-contamination and distributed between participating centers...
2017: PloS One
https://www.readbyqxmd.com/read/29035175/lifestyle-medicine-a-brief-review-of-its-dramatic-impact-on-health-and-survival
#3
Balazs I Bodai, Therese E Nakata, William T Wong, Dawn R Clark, Steven Lawenda, Christine Tsou, Raymond Liu, Linda Shiue, Neil Cooper, Michael Rehbein, Benjamin P Ha, Anne Mckeirnan, Rajiv Misquitta, Pankaj Vij, Andrew Klonecke, Carmelo S Mejia, Emil Dionysian, Sean Hashmi, Michael Greger, Scott Stoll, Thomas M Campbell
By ignoring the root causes of disease and neglecting to prioritize lifestyle measures for prevention, the medical community is placing people at harm. Advanced nations, influenced by a Western lifestyle, are in the midst of a health crisis, resulting largely from poor lifestyle choices. Epidemiologic, ecologic, and interventional studies have repeatedly indicated that most chronic illnesses, including cardiovascular disease, cancer, and type 2 diabetes, are the result of lifestyles fueled by poor nutrition and physical inactivity...
2017: Permanente Journal
https://www.readbyqxmd.com/read/29035088/the-last-25-years-of-obstructive-sleep-apnea-epidemiology-and-the-next-25
#4
Paul E Peppard, Erika W Hagen
Considerable new knowledge regarding the epidemiology of obstructive sleep apnea (OSA) in adults arose from large-scale population-based epidemiologic investigations that initiated in the late 1980s to 1990s; these investigations have continued to produce relevant findings in recent years. In this Perspective, we briefly comment on the past 25 years of adult population-based OSA epidemiology and discuss selected ways in which the field can further progress over the coming decades. Population-based studies have shown that OSA is common in both men and women, and that prevalence is increasing...
October 16, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29034866/the-health-effects-of-aluminum-exposure
#5
Katrin Klotz, Wobbeke Weistenhöfer, Frauke Neff, Andrea Hartwig, Christoph van Thriel, Hans Drexler
BACKGROUND: Aluminum is regularly taken up with the daily diet. It is also used in antiperspirants, as an adjuvant for vaccination, and in desensitization procedures. In this review, we present the scientifically documented harmful effects of aluminum on health and the threshold values associated with them. METHODS: This review is based on publications retrieved by a selective search of the PubMed and SCOPUS databases on the topic of aluminum in connection with neurotoxicity, Alzheimer's disease, and breast cancer, as well as on the authors' personal experience in occupational and environmental medicine...
September 29, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/29034346/enlarged-selection-criteria-for-hepatocellular-cancer-is-the-upper-limit-needed
#6
REVIEW
Andrea Peloso, Graziano Oldani
Liver transplantation (LT) for hepatocellular carcinoma (HCC) is strategically challenging because the very good mid-term outcomes of this treatment jar with the risk of cancer recurrence. Although Milan criteria (MC) tap the balance on the safe side, they tend to be considered too restrictive and new, enlarged criteria have been conceived in order to enlarge the pool of potential recipients. Some extended criteria are more audacious then others, but they seem to be well tailored on the local reality they are applied to...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29034308/cost-effectiveness-analysis-study-of-hpv-testing-as-a-primary-cervical-cancer-screening-in-thailand
#7
Wichai Termrungruanglert, Nipon Khemapech, Tanitra Tantitamit, Suleeporn Sangrajrang, Piyalamporn Havanond, Piyawat Laowahutanont
OBJECTIVES: The aim of this study is to compare the cost and benefit of four different cervical cancer screening strategies involving primary HPV 16/18 genotyping, hrHPV testing alone and cytology for detecting CIN2 +. METHODS: Economical analysis using Markov modeling approach to combine the epidemiological data from current population-based study of The National Cancer Institute of Thailand. A cohort of 100,000 hypothetical female population age 30-65 years was simulated in each strategy...
November 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29033760/colonic-ganglioneuroma-a-rare-finding-during-colorectal-cancer-screening
#8
Emmanuel Ofori, Mel Ona, Daryl Ramai, Tiangui Huang, Philip Xiao, Madhavi Reddy
Ganglioneuromas are very rare clinical entities, and their occurrence in the large bowel lays further emphasis on their rarity. Ganglioneuromas are benign tumors of undifferentiated neural crest cells. Their clinical presentation is mostly asymptomatic, and if any symptoms are present at all, they are usually nonspecific, with excellent prognosis. We report an asymptomatic, 65-year-old male with a solitary ascending colonic polyp found on screening colonoscopy. Histology revealed benign polypoid spindle-cell proliferation as well as S100 reactivity, consistent with ganglioneuroma...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29033583/the-effects-of-nonsteroidal-anti-inflammatory-drugs-in-the-incident-and-recurrent-risk-of-hepatocellular-carcinoma-a-meta-analysis
#9
Qing Pang, Hao Jin, Kai Qu, Zhongran Man, Yong Wang, Song Yang, Lei Zhou, Huichun Liu
BACKGROUND: Recent studies have showed that nonsteroidal anti-inflammatory drugs (NSAIDs) could reduce the risk of several types of cancer. However, epidemiological evidence of the association between NSAIDs intake and the risk of hepatocellular carcinoma (HCC) remains controversial. METHODS: To assess the preventive benefit of NSAIDs in HCC, we simultaneously searched the databases of PubMed, EmBase, Web of Science, and Scopus and screened eligible publications...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29033383/long-term-exposure-to-ambient-air-pollution-and-incidence-of-postmenopausal-breast-cancer-in-15-european-cohorts-within-the-escape-project
#10
Zorana J Andersen, Massimo Stafoggia, Gudrun Weinmayr, Marie Pedersen, Claudia Galassi, Jeanette T Jørgensen, Anna Oudin, Bertil Forsberg, David Olsson, Bente Oftedal, Gunn Marit Aasvang, Geir Aamodt, Andrei Pyko, Göran Pershagen, Michal Korek, Ulf De Faire, Nancy L Pedersen, Claes-Göran Östenson, Laura Fratiglioni, Kirsten T Eriksen, Anne Tjønneland, Petra H Peeters, Bas Bueno-de-Mesquita, Michelle Plusquin, Timothy J Key, Andrea Jaensch, Gabriele Nagel, Alois Lang, Meng Wang, Ming-Yi Tsai, Agnes Fournier, Marie-Christine Boutron-Ruault, Laura Baglietto, Sara Grioni, Alessandro Marcon, Vittorio Krogh, Fulvio Ricceri, Carlotta Sacerdote, Enrica Migliore, Ibon Tamayo-Uria, Pilar Amiano, Miren Dorronsoro, Roel Vermeulen, Ranjeet Sokhi, Menno Keuken, Kees de Hoogh, Rob Beelen, Paolo Vineis, Giulia Cesaroni, Bert Brunekreef, Gerard Hoek, Ole Raaschou-Nielsen
BACKGROUND: Epidemiological evidence on the association between ambient air pollution and breast cancer risk is inconsistent. OBJECTIVE: We examined the association between long-term exposure to ambient air pollution and incidence of postmenopausal breast cancer in European women. METHODS: In 15 cohorts from nine European countries, individual estimates of air pollution levels at the residence were estimated by standardized land-use regression models developed within the European Study of Cohorts for Air Pollution Effects (ESCAPE) and Transport related Air Pollution and Health impacts - Integrated Methodologies for Assessing Particulate Matter (TRANSPHORM) projects: particulate matter (PM) ≤2...
October 13, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29033218/early-onset-colorectal-cancer-is-distinct-from-traditional-colorectal-cancer
#11
Heather Yeo, Doron Betel, Jonathan S Abelson, Xi E Zheng, Rhonda Yantiss, Manish A Shah
BACKGROUND: Early-onset colorectal cancer (E-CRC) is increasing in incidence, unlike traditional CRC (T-CRC). We sought to characterize differences between E-CRC and T-CRC. MATERIALS AND METHODS: Data sources included the Surveillance, Epidemiology, and End Results database, the Behavioral Risk Factor Surveillance Survey, and The Cancer Genome Atlas (TCGA). We compared demographics, tumor characteristics, and incidence of CRC in subjects aged 20 to 49 years (E-CRC) with those aged ≥ 50 years (T-CRC)...
June 23, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29032924/epidemiology-of-rare-cancers-and-inequalities-in-oncologic-outcomes
#12
G Gatta, A Trama, R Capocaccia
Rare cancers epidemiology is better known compared to the other rare diseases. Thanks to the long history of the European population-based cancer registries and to the EUROCARE huge database, the burden of rare cancers has been estimated the European (EU28) population. A considerable fraction of all cancers is represented by rare cancers (24%). They are a heterogeneous group of diseases, but they share similar problems: uncertainty of diagnosis, lack of therapies, poor research opportunities, difficulties in clinical trials, lack of expertise and of centres of reference...
September 19, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29032160/multimodal-treatment-including-hysterectomy-improves-survival-in-patients-with-locally-advanced-cervical-cancer-a-population-based-propensity-score-matched-analysis
#13
San-Gang Wu, Wen-Wen Zhang, Jia-Yuan Sun, Feng-Yan Li, Zhen-Yu He, Juan Zhou
BACKGROUND: To evaluate the therapeutic value of multimodal treatment including hysterectomy in locally advanced cervical squamous cell carcinoma (SCC). METHODS: We retrospectively reviewed patients diagnosed with International Federation of Gynecology and Obstetrics (FIGO) stage IIB-III cervical SCC between 2000 and 2013 using the Surveillance, Epidemiology, and End Results (SEER) program. Propensity score-matching was used to balance baseline characteristics of included patients...
October 12, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/29031659/validity-of-skin-cancer-malignancy-reporting-to-the-organ-procurement-transplant-network-a-cohort-study
#14
Giorgia L Garrett, Joyce T Yuan, Thuzar M Shin, Sarah T Arron
BACKGROUND: The Organ Procurement Transplant Network (OPTN) registry collects data on posttransplant malignancies in solid organ transplant recipients. Complete and accurate registry data on skin cancer is critical for research on epidemiology and interventions. OBJECTIVE: The study goal was to determine the validity of Organ Procurement Transplant Network skin cancer data. METHODS: This cohort study compared reporting of posttransplant squamous cell carcinoma (SCC) and malignant melanoma (MM) in OPTN to medical-record review-derived data from the Transplant Skin Cancer Network (TSCN) database...
October 11, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29030780/endoscopic-treatment-versus-esophagectomy-for-early-stage-esophageal-cancer-a-population-based-study-using-propensity-score-matching
#15
Yuan Zeng, Wenhua Liang, Jun Liu, Jianxing He
BACKGROUND: Endoscopic treatment (ET) is an alternative for selected patients with early-stage esophageal cancer. The primary aim of this study was to compare overall survival (OS) and esophageal cancer-specific survival (ECSS) of such patients after ET or esophagectomy. METHODS: Propensity score matching (PSM) and Cox regression analysis were used to compare OS and ECSS of 2661 patients with ET or esophagectomy for early-stage (Tis-T1N0M0) disease. Patient information was retrieved from the Surveillance, Epidemiology, and End Results database...
October 13, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29029487/prognostic-factors-and-outcomes-of-primary-transitional-cell-carcinoma-of-the-ureter-a-population-based-study
#16
Tao Ding, Zhuojun Zheng, Renfang Xu, Cuixing Zhou
OBJECTIVE: This study investigated the prognostic factors and outcomes of a large observational cohort of patients with primary transitional cell carcinoma of the ureter, which was obtained from the Surveillance, Epidemiology, and End Results database. METHODS: We used the Surveillance, Epidemiology, and End Results program to identify 1910 patients who had available clinical and follow-up information and were diagnosed for primary transitional cell carcinoma of the ureter between 2004 and 2013...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029462/the-appropriate-number-of-elns-for-lymph-node-negative-breast-cancer-patients-underwent-mrm-a-population-based-study
#17
Huiying Chi, Chenyue Zhang, Haiyong Wang, Zhehai Wang
Whether number of examed lymph nodes (ELNs) would bring survival benefit for patients with negative lymph nodes after modified radical mastectomy (MRM) is uncertain. In our study, using the Surveillance Epidemiology and End Results (SEER) database between 2004 and 2009, we screened the appropriate patients with negative lymph nodes underwent MRM. The Cox proportional hazard analysis was used to determine the effect of number of ELNs on cancer specific survival (CSS). The results showed that the number of ELNs was not an independent prognostic factor on CSS (P = 0...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029403/marital-status-and-survival-in-patients-with-primary-liver-cancer
#18
Xing-Kang He, Zheng-Hua Lin, Yun Qian, Daheng Xia, Piaopiao Jin, Lei-Min Sun
BACKGROUND: Marital status is viewed as an independent prognostic factor for survival in various cancer types. However, its role in primary liver cancer has yet to be thoroughly explored. OBJECTIVE: To investigate the impact of marital status on survival outcomes among liver cancer patients. RESULTS: We finally identified 40,809 eligible liver cancer patients between 2004 and 2012, including 21,939 (53.8%) patients were married at diagnosis and 18,870 (46...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29027486/the-cancer-threshold-of-toxicological-concern-ttc-in-relation-to-foodstuffs-and-pharmaceuticals-a-potentially-useful-concept-compromised-by-a-dubious-derivation
#19
D J Snodin
The cancer threshold of toxicological concern (TTC) as determined by Kroes et al. in 2004 (0.15 µg/day and 1.5 µg/day at risk levels of 1 in 10(6) or 10(5), respectively) has been uncritically employed as a key metric in multiple regulatory guidance documents. There are numerous concerns regarding transparency and the highly conservative methodology in relation to its derivation; moreover, no formal confirmation has been undertaken by any regulatory body prior to its adoption. A recent joint report from the European Food Safety Authority and World Health Organization follows this trend, largely replicating previous conclusions and downplaying the need for a re-assessment...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29027394/assessing-the-effect-of-guideline-introduction-on-clinical-practice-and-outcome-in-patients-with-endometrial-cancer-in-japan-a-project-of-the-japan-society-of-gynecologic-oncology-jsgo-guideline-evaluation-committee
#20
Shogo Shigeta, Satoru Nagase, Mikio Mikami, Masae Ikeda, Masako Shida, Isao Sakaguchi, Norichika Ushioda, Fumiaki Takahashi, Wataru Yamagami, Nobuo Yaegashi, Yasuhiro Udagawa, Hidetaka Katabuchi
OBJECTIVE: The Japan Society of Gynecologic Oncology (JSGO) published the first practice guideline for endometrial cancer in 2006. The JSGO guideline evaluation committee assessed the effect of this guideline introduction on clinical practice and patient outcome using data provided by the Japan Society of Obstetrics and Gynecology (JSOG) cancer registration system. METHODS: Data of patients with endometrial cancer registered between 2000 and 2012 were analyzed, and epidemiological and clinical trends were assessed...
November 2017: Journal of Gynecologic Oncology
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