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Cancer Epidemiology

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https://www.readbyqxmd.com/read/29462765/incidence-of-haematological-malignancies-eastern-cape-province-south-africa-2004-2013
#1
Diana Oelofse, Ilse Truter
BACKGROUND: The incidence of haematological malignancies in Africa's rapidly urbanising populations is insufficiently explored. Reliable population-based cancer statistics, however, continues to be a scarce resource in Africa and tends to be urban biased with limited rural coverage. In addition, many haematological malignancies are regarded as rare cancers, a sub-group that often affects the young disproportionately and require advanced diagnostic services and facilities able to deliver costly sophisticated treatments...
February 17, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29459256/evaluation-of-data-quality-at-the-national-cancer-registry-of-ukraine
#2
Anton Ryzhov, Freddie Bray, Jacques Ferlay, Zoya Fedorenko, Liudmyla Goulak, Yevgeniy Gorokh, Olena Soumkina, Ariana Znaor
BACKGROUND: Cancer notification has been mandatory in Ukraine since 1953, with the National Cancer Registry of Ukraine (NCRU) established in 1996. The aim of this study was to provide a comprehensive evaluation of the data quality at the NCRU. METHODS: Qualitative and semi-quantitative methods were used to assess the comparability, completeness, validity and timeliness of cancer incidence data from the NCRU for the period 2002-2012. RESULTS: Cancer registration procedures at the NCRU are in accordance with international standards and recommendations...
February 16, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29453032/impact-of-metformin-on-gastric-adenocarcinoma-survival-a-belgian-population-based-study
#3
Olivia Lacroix, Alexandra Couttenier, Evelien Vaes, Chris R Cardwell, Harlinde De Schutter, Annie Robert
BACKGROUND: Preclinical studies have shown anticancer activities of metformin in gastric cancer and a recent epidemiological study showed a decrease in recurrence and mortality of gastric cancer in metformin users. This study aimed to assess the impact of metformin on gastric cancer survival in diabetic patients at a Belgian population level. METHODS: We conducted an observational, population-based study by linking data of the Belgian Cancer Registry with medical claims data coming from the health insurance companies for patients diagnosed with stage I to III gastric adenocarcinoma between 2006 and 2012...
February 13, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29438925/exploring-determinants-of-care-seeking-behaviour-of-oral-cancer-patients-in-india-a-qualitative-content-analysis
#4
Hemamalini Rath, Swikant Shah, Gaurav Sharma, Ekagrata Mishra
BACKGROUND: A major public health concern in India is the high morbidity and mortality rates of oral cancer because of late diagnosis. Among the several determinants of this late diagnosis, the most important is the healthcare-seeking behaviour of the oral cancer patients. The aim of this study was to explore the care-seeking behaviour and its determinants among oral cancer patients. METHODS: A face-to-face in-depth interview was conducted among 70 oral cancer patients using a semi-structured questionnaire, and qualitative content analysis of the results was performed...
February 10, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29438924/chemotherapy-is-administered-to-a-minority-of-hospitalized-patients-with-diffuse-large-b-cell-lymphoma-and-is-associated-with-less-likelihood-of-death-during-hospitalization
#5
Anita J Kumar, Tobi Henzer, Angie Mae Rodday, Susan K Parsons
BACKGROUND: While treatment of DLBCL is largely outpatient, some patients require planned or unplanned admissions for chemotherapy, new diagnosis, relapse, or toxicity. We examined risk factors for receipt of inpatient chemotherapy and death during hospitalization. METHODS: We analyzed data from the 2012-2013 HCUP-NIS. We identified patient and hospital characteristics that were associated with chemotherapy administration and death. RESULTS: Chemotherapy was given in 3260/11,150 (29...
February 10, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29427968/incidence-of-malignant-lymphoma-in-adolescents-and-young-adults-in-the-58-counties-of-california-with-varying-synthetic-turf-field-density
#6
Archie Bleyer, Theresa Keegan
BACKGROUND: Case reports of cancer among soccer players raised concerns that the crumb rubber infill in synthetic turf fields may cause malignant lymphoma. One prior epidemiologic study on the topic found no association. METHODS: An ecologic evaluation of county-level incidence of lymphomas by race/ethnicity and socioeconomic status for the state of California with data obtained from the National Cancer Institute Surveillance, Epidemiology, and End Results Program...
February 7, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414631/esophageal-cancer-male-to-female-incidence-ratios-in-africa-a-systematic-review-and-meta-analysis-of-geographic-time-and-age-trends
#7
Daniel R S Middleton, Liacine Bouaoun, Rachel Hanisch, Freddie Bray, Charles Dzamalala, Steady Chasimpha, Diana Menya, Charles Gombé Mbalawa, Guy N'Da, Mathewos A Woldegeorgis, Ramou Njie, Moussa Koulibaly, Nathan Buziba, Josefo Ferro, Hassan Nouhou, Femi Ogunbiyi, Henry R Wabinga, Eric Chokunonga, Margaret Z Borok, Anne R Korir, Amos O Mwasamwaja, Blandina T Mmbaga, Joachim Schüz, Valerie A McCormack
Esophageal squamous cell carcinoma (ESCC) remains the predominant histological subtype of esophageal cancer (EC) in many transitioning countries, with an enigmatic and geographically distinct etiology, and consistently elevated incidence rates in many Eastern and Southern African countries. To gain epidemiological insights into ESCC patterns across the continent, we conducted a systematic review and meta-analysis of male-to-female (M:F) sex ratios of EC age-standardised (world) incidence rates in Africa according to geography, time and age at diagnosis...
February 5, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414630/development-and-validation-of-a-prognostic-index-for-survival-in-non-small-cell-lung-cancer-results-from-a-tunisian-cohort-study
#8
Ghassen Soussi, Nissaf Ben Alaya, Nawel Chaouch, Hajer Racil
INTRODUCTION: Despite the continuous efforts made with the TNM system, the issue of heterogeneity of prognosis within the stages of non-small cell lung cancer (NSCLC) could not be resolved. Our aim was to identify prognostic factors and develop an index to predict NSCLC survival with greater accuracy. METHODS: We conducted a survival study over 5 years on patients with NSCLC. Kaplan-Meier analysis followed by Cox regression modelling were used. Prognostic indices were derived, using either an additive or a multiplicative pattern, and were compared by their receiver operating characteristics (ROC) curves...
February 5, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414629/trends-of-incidence-mortality-and-survival-of-multiple-myeloma-in-switzerland-between-1994-and-2013
#9
Martin Andres, Anita Feller, Volker Arndt
BACKGROUND: Treatment of multiple myeloma has changed considerably over the last two decades with remarkable reduction in mortality rates in clinical trials and in population-based studies. Since health care systems and patient management differ between countries, population-based data from cancer registries with high coverage may provide further insight into real-life achievements and unmet needs. We report on the first population-based nation-wide study of incidence, mortality and survival of multiple myeloma in Switzerland covering the era of autologous stem cell transplantation and the first proteasome inhibitors and immunomodulatory drugs...
February 5, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414632/socio-economic-patterning-in-early-mortality-of-patients-aged-0-49-years-diagnosed-with-primary-bone-cancer-in-great-britain-1985-2008
#10
Karen Blakey, Richard G Feltbower, Peter W James, Gillian Libby, Charles Stiller, Paul Norman, Craig Gerrand, Richard J Q McNally
BACKGROUND: Studies have shown marked improvements in survival between 1981 and 2000 for Ewing sarcoma patients but not for osteosarcoma. This study aimed to explore socio-economic patterning in early mortality rates for both tumours. PROCEDURE: The study analysed all 2432 osteosarcoma and 1619 Ewing sarcoma cases, aged 0-49 years, diagnosed in Great Britain 1985-2008 and followed to 31/12/2009. Logistic regression models were used to calculate risk of dying within three months, six months, one year, three years and five years after diagnosis...
February 2, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414638/obesity-surgery-and-risk-of-colorectal-and-other-obesity-related-cancers-an-english-population-based-cohort-study
#11
Ariadni Aravani, Amy Downing, James D Thomas, Jesper Lagergren, Eva J A Morris, Mark A Hull
BACKGROUND: The association between obesity surgery (OS) and cancer risk remains unclear. We investigated this association across the English National Health Service. A population-based Swedish study has previously suggested that OS may increase the risk of developing colorectal cancer (CRC). METHODS: A retrospective observational study of individuals who underwent OS (surgery cohort) or diagnosed with obesity, but had no OS (no-surgery cohort) (1997-2013) were identified using Hospital Episode Statistics...
February 1, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414637/first-data-from-a-population-based-cancer-registry-in-ethiopia
#12
Genebo Timotewos, Asmare Solomon, Assefa Mathewos, Adamu Addissie, Solomon Bogale, Tigeneh Wondemagegnehu, Abraha Aynalem, Bekele Ayalnesh, Hailemariam Dagnechew, Wondatir Bireda, Eric Sven Kroeber, Rafael Mikolajczyk, Freddie Bray, Ahmedin Jemal, Eva Johanna Kantelhardt
BACKGROUND: The Addis Ababa City Cancer Registry, established in September 2011, is the only population-based cancer registry in Ethiopia, covering a catchment population of just over three million habitants. Herein, we report incidence data based on the first two years of registration, 2012-2013. METHODS: Newly-diagnosed cancer cases in the capital city were actively collected from 22 hospitals, clinics, and diagnostic facilities. RESULTS: During 2012-2013, a total of 4139 newly diagnosed cases were recorded, with the majority (67%) occurring in females...
February 1, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414636/population-risk-factors-for-late-stage-presentation-of-cervical-cancer-in-sub-saharan-africa
#13
Tessa S Stewart, Jennifer Moodley, Fiona M Walter
BACKGROUND: Cervical cancer is the most prevalent malignancy in sub-Saharan Africa (SSA) with many women only seeking professional help when they are experiencing symptoms, implying late-stage malignancy and higher mortality rates. This ecological study assesses population-level exposures of SSA women to the numerous risk factors for HPV infection and cervical cancer, against late-stage presentation of cervical cancer. MATERIALS AND METHOD: A literature review revealed the relevant risk factors in SSA...
January 31, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414635/a-new-approach-to-estimate-time-to-cure-from-cancer-registries-data
#14
Olayidé Boussari, Gaëlle Romain, Laurent Remontet, Nadine Bossard, Morgane Mounier, Anne-Marie Bouvier, Christine Binquet, Marc Colonna, Valérie Jooste
BACKGROUND: Cure models have been adapted to net survival context to provide important indicators from population-based cancer data, such as the cure fraction and the time-to-cure. However existing methods for computing time-to-cure suffer from some limitations. METHODS: Cure models in net survival framework were briefly overviewed and a new definition of time-to-cure was introduced as the time TTC at which P(t), the estimated covariate-specific probability of being cured at a given time t after diagnosis, reaches 0...
January 31, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414634/anaplastic-thyroid-carcinoma-in-denmark-1996-2012-a-national-prospective-study-of-219-patients
#15
Gitte Bjørn Hvilsom, Stefano Christian Londero, Christoffer Holst Hahn, Sten Schytte, Henrik Baymler Pedersen, Peer Christiansen, Katalin Kiss, Stine Rosenkilde Larsen, Marie Louise Jespersen, Giedrius Lelkaitis, Christian Godballe
BACKGROUND: Anaplastic thyroid carcinoma (ATC) is the least common but most malignant thyroid cancer. We aimed to examine the characteristics as well as evaluate the incidence, prognostic factors, and if introduction of a fast track cancer program might influence survival in a cohort of ATC patients. METHODS: A cohort study based on prospective data from the national Danish thyroid cancer database DATHYRCA and the national Danish Pathology Register including 219 patients diagnosed from 1996 to 2012, whom were followed until death or through September 2014...
January 31, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414633/the-impact-of-rectal-cancer-tumor-height-on-recurrence-rates-and-metastatic-location-a-competing-risk-analysis-of-a-national-database
#16
Knut M Augestad, Deborah S Keller, Paul M Bakaki, Johnie Rose, Siran M Koroukian, Tom Øresland, Conor P Delaney
BACKGROUND: The impact of rectal cancer tumor height on local recurrence and metastatic spread is unknown. The objective was to evaluate the impact of rectal cancer tumor height from the anal verge on metastatic spread and local recurrence patterns. METHODS: The Norwegian nationwide surgical quality registry was reviewed for curative rectal cancer resections from 1/1/1996-12/15/2006. Cancers were stratified into five height groups: 0-3 cm, >3-5 cm, >5-9 cm, >9-12 cm, 12 cm-HI...
January 30, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29396075/beasley-s-1981-paper-the-power-of-a-well-designed-cohort-study-to-drive-liver-cancer-research-and-prevention
#17
REVIEW
Jill Koshiol, Zhiwei Liu, Thomas R O'Brien, Allan Hildesheim
The 1981 Lancet paper by Beasley et al., "Hepatocellular carcinoma and hepatitis B virus. A prospective study of 22707 men in Taiwan" is a seminal publication that clearly demonstrated that chronic infection with hepatitis B virus (HBV), as measured by seropositivity for the hepatitis B surface antigen (HBsAg), preceded the development of hepatocellular carcinoma (HCC). In doing so, this study paved the way for liver cancer prevention efforts through the implementation of hepatitis B vaccination programs. In this commentary, we will describe the discovery of HBV, which led to the study by Beasley et al...
January 26, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29396159/patterns-of-age-specific-socioeconomic-inequalities-in-net-survival-for-common-cancers-in-taiwan-a-country-with-universal-health-coverage
#18
Li-Hsin Chien, Tzu-Jui Tseng, Fang-Yu Tsai, Jie-Huei Wang, Chao A Hsiung, Tsang-Wu Liu, I-Shou Chang
INTRODUCTION: In high-income countries, advances in early diagnosis and treatment have improved cancer survival. However, socioeconomic inequalities in survival have persisted or increased for some adult cancers. MATERIALS AND METHODS: We assessed net survival for the 20 most common adult cancers in Taiwan. They were stratified into six age groups and three socioeconomic groups. RESULTS: Out of 120 cancer site and age group combinations, 49 showed improvements in 5-year net survival from 2000-2004 to 2005-2010...
January 20, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29360624/association-of-processed-food-synergistic-effect-of-alcohol-and-hbv-with-hepatocellular-carcinoma-in-a-high-incidence-region-of-india
#19
Rup Kumar Phukan, Biswa Jyoti Borkakoty, Sanjib Kumar Phukan, Kumar Bhandari, Jagdish Mahanta, Sopai Tawsik, Sangita Bhandari, Ashish Rai, Kanwar Narain
BACKGROUND: Dietary factors, tobacco, and alcohol use have been identified as important factors of rising various cancer incidence in several northeastern states of India. However, little is known about the factors associated with hepatocellular carcinoma (HCC) in this region. The aim of the paper was to identify the factors associated with HCC in the northeast region. METHODS: A case-control study was conducted in Arunachal Pradesh and Sikkim, two northeastern states of India, including 104 histologically-confirmed cases of HCC and same number (104) of age and sex matched control enrolled...
January 19, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29353152/tgf%C3%AE-c-509t-tgf%C3%AE-t869c-xrcc1-arg194trp-ikb%C3%AE-c642t-il4-c-590t-genetic-polymorphisms-combined-with-socio-economic-lifestyle-diet-factors-and-gastric-cancer-risk-a-case-control-study-in-south-indian-population
#20
Dhayalan Pavithra, Majumdar Gautam, Ranganathan Rama, Rajaraman Swaminathan, Gopisetty Gopal, Ayyalur Seshadri Ramakrishnan, Thangarajan Rajkumar
BACKGROUND: Gastric cancer is worldwide the third major cause of cancer related death. Risk factors for gastric cancer includes Helicobacter pylori infection, gastric ulcer, less hygienic condition, use of tobacco, alcohol consumption, use of salted, smoked food, genetic alterations etc. In order to identify the risk factors associated with gastric cancer in South Indian population a case-control study involving 200 proven gastric cancer cases and 400 controls was conducted. METHODS: A structured questionnaire was used to interview all the subjects who participated in our study...
January 17, 2018: Cancer Epidemiology
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