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| 1 | Esophageal cancer: Risk factors,screening and endoscopic treatment in Western and Eastern countries显示文摘Esophageal cancer is one of the most unknown and deadliest cancers worldwide,mainly because of its extremely aggressive nature and poor survival rate.Esophageal cancer is the 6th leading cause of death from cancer and the 8th most common cancer in the world.The 5-year survival is around 15%-25%.There are clear differences between the risk factors of both histological types that affect their incidence and distribution worldwide.There are areas of high incidence of squamous cell carcinoma(some areas in China) that meet the requirements for cost-effectiveness of endoscopy for early diagnosis in the general population of those areas.In Europe and United States the predominant histologic subtype is adenocarcinoma.The role of early diagnosis of adenocarcinoma in Barrett's esophagus remains controversial.The differences in the therapeutic management of early esophageal carcinoma(high-grade dysplasia,T1 a,T1 b,N0) between different parts of the world may be explained by the number of cancers diagnosed at an early stage.In areas where the incidence is high(China and Japan among others) early diagnoses is more frequent and has led to the development of endoscopic techniques for definitive treatment that achieve very effective results with a minimum number of complications and preserving the functionality of the esophagus. | María José Domper Arnal ángel Ferrández Arenas ángel Lanas Arbeloa | 2015 | World Journal of Gastroenterology2015，21，26： | 116 |
| 2 | Chronic obstructive pulmonary disease as a risk factor for lung cancer显示文摘The association between chronic obstructive pulmonary disease(COPD) and lung cancer has long been a subject of intense debate. The high prevalence of COPD in elderly smokers inevitably strengthens their coincidence. In addition to this contingent coincidence, recent studies have revealed a close association between the two diseases that is independent of the smoking history; that is, the existence of COPD is an independent risk factor for the development of lung cancer. Molecular-based evidence has been accumulating as a result of the efforts to explain the underlying mechanisms of this association. These mechanisms may include the following: the retention of airborne carcinogens followed by the activation of oncogenes and the suppression of tumor suppressor genes; the complex molecular mechanism associated with chronic inflammation in the distal airways of patients with COPD; the possible in-volvement of putative distal airway stem cells; and gel netic factors that are common to both COPD and lung cancer. The existence of COPD in patients with lung l cancer may potentially affect the process of diagnosis, surgical resection, radiotherapy, chemotherapy, and end-of-life care. The comprehensive management of COPD is extremely important for the appropriate treatment of lung cancer. Surgical resections with the aid of early interventions for COPD are often possible, even for patients with mild-to-moderate COPD. New challenges, such as lung cancer CT screening for individuals t at high risk, are now in the process of being implemented. Evaluating the risk of lung cancer in patients with COPD may be warranted in community-based lung cancer screening. | Yuichi Takiguchi Ikuo Sekine Shunichiro Iwasawa Ryota Kurimoto Koichiro Tatsumi | 2014 | World Journal of Clinical Oncology2014，5，4： | 21 |
| 3 | Colorectal cancer screening in countries of European Council outside of the EU-28显示文摘AIM: To provide an update on colorectal cancer(CRC) screening programmes in non-European Union(EU)-28 Council of Europe member states as of December 2015. METHODS: The mission of the Council of Europe is to protect and promote human rights in its 47 member countries. Its 19 non-EU member states are Albania, Andorra, Armenia, Azerbaijan, Bosnia and Herzegovina, Republika Srpska, Georgia, Iceland, Liechtenstein, Republic of Moldova, Monaco, Montenegro, Norway, Russian Federation, San Marino, Serbia, Switzerland, FYR of Macedonia, Turkey, and Ukraine(EU-19). The main data source were GLOBOCAN, IARC, WHO, EUCAN, NORDCAN, ENCR, volume X of the CI5, the ministerial and Public Health Agency websites of the individual countries, Pub Med, EMBASE, registries of some websites and the www.cochranelibrary.com, Scopus, www.clinicaltrials.gov, www.clinicaltrialsregister.eu, Research gate, Google and data extracted from screening programme results. RESULTS: Our results show that epidemiological data quality varies broadly between EU-28 and EU-19 countries. In terms of incidence, only 30% of EU-19 countries rank high in data quality as opposed to 86% of EU-28 states. The same applies to mortality data, since 52% of EU-19 countries as against all EU-28 countries are found in the high ranks. Assessment of the method of collection of incidence data showed that only 32% of EU-19 countries are found in the top three quality classes as against 89% of EU-28 countries. For the mortality data, 63% of EU-19 countries are found in the highest ranks as opposed to all EU-28 member states. Interestingly, comparison of neighbouring countries offering regional screening shows, for instance, that incidence and mortality rates are respectively 38.9 and 13.0 in Norway and 29.2 and10.9 in Sweden, whereas in Finland, where a national organised programme is available, they are respectively 23.5 and 9.3. CONCLUSION: Cancer screening should be viewed as a key health care tool, also because investing in screening protects the weakest in the population, decreases the social burden of cancer, and reduces all types of health care costs, including those for radical surgery, long-term hospitalisation, and chemotherapy. | Emma Altobelli Francesco D'Aloisio Paolo Matteo Angeletti | 2016 | World Journal of Gastroenterology2016，22，20： | 5 |
| 4 | At-home cancer screening:a solution for China and other developing countries with a large population and limited number of healthcare practitioners显示文摘Five-year survival rate for patients with all cancers combined, in China, is only 30.9%, which is much lower than those in developed countries. The three main reasons for the low cancer curative rates in China include differences in the spectrum of cancer types, in early detection rates, and in the percentage of cancer patients receiving standardized treatment between China and developed countries.The most important mechanism for improving the curative rate is to improve early detection rates of major cancers in China using novel and affordable technologies that can be operated at home by the patients themselves.This attempt could be helpful in setting up a practical example for other developing countries with limited medical resources and a limited number of healthcare practitioners. | Chao-Nan Qian | 2017 | Chinese Journal of Cancer2017，36，8： | 5 |
| 5 | Preventing breast cancer in LMICs via screening and/or early detection: The real and the surreal显示文摘To review the present status of breast cancer(BC) screening/early detection in low- and middle-income countries(LMICs) and identify the way forward, an open focused search for articles was undertaken in Pub Med, Google Scholar and Google, and using a snowball technique, further articles were obtained from the reference list of initial search results. In addition, a query was put up on Research Gate to obtain more references and find out the general opinion of experts on the topic. Experts were also personally contacted for their opinion. Breast cancer(BC) is the most common cancer in women in the world. The rise in incidence is highest in LMICs where the incidence has often been much lower than high-income countries. In spite of more women dying of cancer than pregnancy or childbirth related causes in LMICs, most of the focus and resources are devoted to maternal health. Also, the majority of women in LMICs present at late stages to a hospital to initiate treatment. A number of trials have been conducted in various LMICs regarding the use of clinical breast examination and mammography in various combinations to understand the best ways of implementing a population level screening/early detection of BC; nevertheless, more research in this area is badly needed for different LMIC specific contexts. No-tably, very few LMICs have national level programs for BC prevention via screening/early detection and even stage reduction is not on the public health agenda. This is in addition to other barriers such as lack of awareness among women regarding BC and the presence of stigma, inappropriate attitudes and lack of following proper screening behavior, such as conducting breast self-examinations. The above is mixed with the apathy and lack of awareness of policy makers regarding the fact that BC prevention is much more cost-effective and humane than BC treatment. Implementation of population level programs for screening/early detection of BC, along with use of ways to improve awareness of women regarding BC, can prove critical in stemming the increasing burden of BC in LMICs. Use of newer modalities such as ultrasonography which is more suited to LMIC populations and use of m Health for awareness creation and increasing screening compliance are much needed extra additions to the overall agenda of LMICs in preventing BC. | Subhojit Dey | 2014 | World Journal of Clinical Oncology2014，5，3： | 3 |
| 6 | Effectiveness of gastric cancer screening programs in South Korea:Organized vs opportunistic models显示文摘AIM:To investigate the outcome and effectiveness of two screening programs,National Cancer Screening Program(NCSP)and opportunistic screening(OS),for the detection of gastric cancer. METHODS:A total of 45 654 subjects underwent upper endoscopy as part of the NCSP or OS at the Chung-Ang University Healthcare System in Korea between January 2007 and December 2010.The study population was comprised of subjects over the age of 40 years.More specifically,subjects who took part in the NCSP were Medicaid recipients and beneficiaries of the National Health Insurance Corporation.Still photo-graphs from the endoscopies diagnosed as gastric cancer were reviewed by two experienced endoscopists. RESULTS:The mean age of the screened subjects was 55 years for men and 54 years for women.A total of 126 cases(0.28%)of gastric cancer were detected from both screening programs;100 cases(0.3%)from NCSP and in 26 cases(0.2%)from OS.The proportion of early gastric cancer(EGC)detected in NCSP was higher than that in OS(74.0%vs 53.8%,P=0.046). Among the 34 416 screenees in NCSP,6585(19.1%) underwent upper endoscopy every other year as scheduled.Among the 11 238 screenees in OS,3050(27.1%) underwent upper endoscopy at least once every two years during the study period.The detection rate of gastric cancer was found to be significantly higher during irregular follow-up than during regular follow-up in both screening programs(0.3%vs 0.2%,P=0.036).A higher incidence of EGC than advanced gastric cancer was observed during regular follow-up compared with irregular follow-up. CONCLUSION:Compliance to the screening program is more important than the type of screening system used. | Beom Jin Kim Chae Heo Byoung Kwon Kim Jae Yeol Kim Jae Gyu Kim | 2013 | World Journal of Gastroenterology2013，19，5： | 3 |
| 7 | Predicting systemic spread in early colorectal cancer: Can we do better?显示文摘Through the implementation of national bowel cancer screening programmes we have seen a three-fold increase in early pT1 colorectal cancers, but how these lesions should be managed is currently unclear. Local excision can be an attractive option, especially for fragile patients with multiple comorbidities, but it is only safe from an oncological point of view in the absence of lymph node metastasis. Patient risk stratification through careful analysis of histopathological features in local excision or polypectomy specimens should be performed according to national guidelines to avoid under-or over-treatment. Currently national guidelines vary in their recommendations as to which factors should be routinely reported and there is no established multivariate risk stratification model to determine which patients should be offered major resectional surgery.Conventional histopathological parameters such as tumour grading or lymphovascular invasion have been shown to be predictive of lymph node metastasis in a number of studies but the inter-and intra-observer variation in reporting is high. Newer parameters including tumour budding and poorly differentiated clusters have been shown to have great potential, but again some improvement in the inter-observer variation is required. With the implementation of digital pathology into clinical practice, quantitative parameters like depth/area of submucosal invasion and proportion of stroma can be routinely assessed. In this review we present the various histopathological risk factors for predicting systemic spread in pT1 colorectal cancer and introduce potential novel quantitative variables and multivariable risk models that could be used to better define the optimal treatment of this increasingly common disease. | Scarlet Fiona Brockmoeller Nicholas Paul West | 2019 | World Journal of Gastroenterology2019，25，23： | 2 |
| 8 | Colorectal cancer mortality in Hong Kong of China,Japan,South Korea,and Singapore显示文摘To clarify the trend in colorectal cancer mortality in Asian countries.We analyzed the colorectal cancer mortality in four Asian countries using the World Health Organization mortality database and the Korea National Statistics Office database.The annual age-standardized rates and truncated rated for the three age groups(30-49,50-69 and ≥ 70 years) for Hong Kong of China(1969-2009),Japan(1955-2009),South Korea(1985-2006),and Singapore(1966-2009) were estimated.A joinpoint regression model was used to detect significant trends in mortality rates.Colorectal cancer mortality in men started to decrease in 1992 in Japan followed by Singapore and Hong Kong of China in 1995.The mortality rates in women stared to decrease in 1980 in Singapore,followed by Hong Kong of China and Japan in 1996.In all countries and both genders,except for women in Singapore,the decrease in mortality began in the younger age groups.The colorectal cancer mortality in the four studied Asian countries has started to decrease,and the decrease occurred first in the younger age groups. | Aesun Shin Kyu-Won Jung Young-Joo Won | 2013 | World Journal of Gastroenterology2013，19，7： | 2 |
| 9 | Current understanding and management of aggressive posterior retinopathy of prematurity显示文摘Aggressive posterior retinopathy of prematurity(ROP), previously referred to as 'Rush disease', is a rapidly progressive form of ROP. This form of ROP typically presents in very low birth weight babies of early gestational age. Historically, anatomical and functional outcomes have been poor with standard treatment. This review is designed to discuss current knowledge and treatment regarding this aggressive form of ROP. Recommendations regarding management of these difficult cases are detailed. | Christine M Pulido Polly A Quiram | 2015 | World Journal of Ophthalmology2015，5，2： | 0 |
| 10 | Pancreatic cancer screening in patients with presumed branch-duct intraductal papillary mucinous neoplasms显示文摘Because delayed diagnosis is one of the causes of poor prognosis in pancreatic ductal adenocarcinoma(PDAC), early detection is a key for overall improvement of prognosis. Towards this end, periodic screening is recommended for individuals considered high-risk for PDAC. Advances in diagnostic imaging modalities have increased the frequency of incidental findings of pancreatic cysts,including the intraductal papillary mucinous neoplasm(IPMN)-a major risk factor of PDAC, having 1% annual prevalence of concomitance with IPMN.Proper retainment of patients with IPMN and regular follow-up by routine imaging examination will likely improve early detection and better prognosis of PDAC. Unfortunately, current guidelines only address management of PDAC derived from IPMN and overlook PDAC concomitant with IPMN. Screening of patients with IPMN, by endoscopic ultrasonography(currently the most reliable modality for detecting small PDAC), may facilitate early detection of both IPMNderived and-concomitant PDAC. Prospective studies to evaluate the usefulness of endoscopic ultrasonography in screening of IPMN-concomitant PDAC will also help in determining the optimal surveillance strategy for more widespread applications. | Yuichi Torisu Kazuki Takakura Yuji Kinoshita Yoichi Tomita Masanori Nakano Masayuki Saruta | 2019 | World Journal of Clinical Oncology2019，10，2： | 0 |
| 11 | DIAGNOSIS AND SURGICAL TREATMENT OF 103 PATIENTS WITH EARLY ESOPHAGEAL CANCER AND CARDIAC CANCER OF STOMACH显示文摘DIAGNOSISANDSURGICALTREATMENTOF103PATIENTSWITHEARLYESOPHAGEALCANCERANDCARDIACCANCEROFSTOMACHWuChangrong;ZhangZhenbin;ZhuZongh... | 吴昌荣 张振斌 朱宗海 秦德兴 王国清 | 1994 | Chinese Journal of Cancer Research1994，6，4： | 0 |
| 12 | Current state and future direction of screening tool for colorectal cancer显示文摘As the second-most-common cause of cancer death,colorectal cancer(CRC)has been recognized as one of the biggest health concerns in advanced countries.The 5-year survival rate for patients with early-stage CRC is significantly better than that for patients with CRC detected at a late stage.The primary target for CRC screening and prevention is advanced neoplasia,which includes both CRC itself,as well as benign but histologically advanced adenomas that are at increased risk for progression to malignancy.Prevention of CRC through detection of advanced adenomas is important.It is,therefore,necessary to develop more efficient detection methods to enable earlier detection and therefore better prognosis.Although a number of CRC diagnostic methods are currently used for early detection,including stool-based tests,traditional colonoscopy,etc.,they have not shown optimal results due to several limitations.Hence,development of more reliable screening methods is required in order to detect the disease at an early stage.New screening tools also need to be able to accurately diagnose CRC and advanced adenoma,help guide treatment,and predict the prognosis along with being relatively simple and non-invasive.As part of such efforts,many proposals for the early detection of colorectal neoplasms have been introduced.For example,metabolomics,referring to the scientific study of the metabolism of living organisms,has been shown to be a possible approach for discovering CRCrelated biomarkers.In addition,a growing number of high-performance screening methodologies could facilitate biomarker identification.In the present,evidence-based review,the authors summarize the current state as recognized by the recent guideline recommendation from the American Cancer Society,US Preventive Services Task Force and the United States Multi-Society Task Force and discuss future direction of screening tools for colorectal cancer.Further,we highlight the most interesting publications on new screening tools,like molecular biomarkers and metabolomics,and discuss these in detail. | Ji Taek Hong Eun Ran Kim | 2019 | World Journal of Meta-Analysis2019，7，5： | 0 |
| 13 | Cancer screening:Between appropriateness and effectiveness显示文摘Two similar words, effectiveness and efficacy, have comparable insight and nearly describe analogous mea-ning for a screening test, yet clear understanding and perception of their diverse meanings will help clarify the basis of the differing conclusions about whether screening tests for different cancers reduce morbidity and mortality. Screening test may not be effective even when it sounds to be efficacious, on the other hand it should be efficacious when the test is effective. | Mostafa A Arafa | 2015 | World Journal of Clinical Oncology2015，6，5： | 0 |
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