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screening colorectal cancer

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https://www.readbyqxmd.com/read/29675660/rates-of-prevalent-colorectal-cancer-occurrence-in-persons-75-years-of-age-and-older-a-population-based-national-study
#1
Vijit Chouhan, Emad Mansoor, Sravanthi Parasa, Gregory S Cooper
BACKGROUND/AIMS: There is a lack of studies describing the epidemiology of colorectal cancer (CRC) in patients aged 75 years and older (elderly). Current guidelines recommend against routine screening colonoscopies in this population. We sought to describe the epidemiology of CRC in the elderly, utilizing a large, population-based database as this may impact screening guidelines in this population. METHODS: Utilizing a commercial database (Explorys Inc, Cleveland, OH), we identified a cohort of patients with a first-ever diagnosis of CRC between 2012 and 2017 based on the Systematized Nomenclature of Medicine-Clinical Terms...
April 19, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29675103/mir-490-3p-functions-as-a-tumor-suppressor-by-inhibiting-oncogene-vdac1-expression-in-colorectal-cancer
#2
Xiangxiang Liu, Bangshun He, Tao Xu, Yuqin Pan, Xiuxiu Hu, Xiaoxiang Chen, Shukui Wang
Colorectal cancer (CRC) is one of the most common cancers worldwide, usually with poor prognosis because many CRC patients are diagnosed at an advanced stage. Therefore, novel potential diagnostic and prognostic biomarkers are urgently needed. MicroRNAs have been reported to regulate a variety of biological processes, such as cell proliferation, differentiation and apoptosis. Accumulating studies have demonstrated that miR-490-3p could regulate the development and progression of multiple cancers, but its clinical significance and molecular mechanism in CRC are still elusive...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29673583/novel-artificial-stool-material-for-external-quality-assurance-eqa-on-a-fecal-immunochemical-test-for-hemoglobin-fit-the-confirmed-utility-of-stable-hemoglobin-and-an-internal-standard-material
#3
Ryota Yasui, Miyu Yamada, Shizuka Takehara, Ikunosuke Sakurabayashi, Katsunori Watanabe
The fecal immunochemical test for hemoglobin (FIT), which detects lower gastrointestinal bleeding, is widely accepted for population-based colorectal cancer (CRC) screening programs. However, the FIT screening process has not been standardized yet, and standardizing the pre-analytical phase and establishing an external quality assurance (EQA) program compliant with ISO requirements is urgently needed. Although there have been various attempts to establish EQA materials suitable for FIT, no materials have yet been reported to have sufficient uniformity and acceptable immunochemical stability of hemoglobin (Hb)...
April 16, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29671617/oxazole-and-thiazole-analogs-of-sulindac-for-cancer-prevention
#4
Bini Mathew, Judith V Hobrath, Michele C Connelly, R Kiplin Guy, Robert C Reynolds
AIM: Experimental and epidemiological studies and clinical trials suggest that nonsteroidal anti-inflammatory drugs possess antitumor potential. Sulindac, a widely used nonsteroidal anti-inflammatory drug, can prevent adenomatous colorectal polyps and colon cancer, especially in patients with familial adenomatous polyposis. Sulindac sulfide amide (SSA) is an amide-linked sulindac sulfide analog that showed in vivo antitumor activity in a human colon tumor xenograft model. Results/methodology: A new analog series with heterocyclic rings such as oxazole or thiazole at the C-2 position of sulindac was prepared and screened against prostate, colon and breast cancer cell lines to probe the effect of these novel substitutions on the activity of sulindac analogs...
April 19, 2018: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/29671505/care-of-the-colorectal-cancer-survivor
#5
Kristina Burgers, Clint Moore, Lori Bednash
Colorectal cancer is the fourth most common cancer in the United States and has a five-year survival rate of 65%. The American Cancer Society and other experts have released guidelines on surveillance, health promotion, screening for other malignancies, and management of treatment effects. Surveillance for disease recurrence should occur every three to six months for the first two to three years, then every six months for a total of five years. Each visit should include a history and physical examination, routine care for chronic medical conditions, and screening for other primary cancers according to guidelines for the general population...
March 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29670403/variation-of-diagnostic-performance-of-fecal-immunochemical-testing-for-hemoglobin-by-sex-and-age-results-from-a-large-screening-cohort
#6
Hermann Brenner, Jing Qian, Simone Werner
Objective: Fecal immunochemical tests (FITs) for hemoglobin in stool are increasingly used for colorectal cancer screening. Reported sensitivities and specificities have strongly varied between studies, but it is unclear to what extent such variation reflects differences between tests or between study population characteristics. We aimed to evaluate the key parameters of FIT performance for detecting advanced neoplasia (AN) according to sex and age. Methods: Sex- and age-specific sensitivity, specificity, positive predictive values (PPVs) and negative predictive values (NPVs) for detecting AN of a quantitative FIT (FOB Gold®) were evaluated among 3211 men and women aged 50-79 years who underwent screening colonoscopy in Germany...
2018: Clinical Epidemiology
https://www.readbyqxmd.com/read/29668929/chromoendoscopy-for-dysplasia-surveillance-in-inflammatory-bowel-disease
#7
Ann D Flynn, John F Valentine
Long-standing ulcerative colitis (UC) and extensive Crohn's colitis confer increased risk for development of colorectal cancer. Screening and surveillance colonoscopy programs aim to identify, resect, or detect dysplasia or colorectal cancer. Dysplastic lesions can be removed by endoscopic resection and patients with unresectable lesions can be referred for colectomy at an earlier stage, with the goal of reducing overall morbidity and mortality from colorectal cancer. Surveillance colonoscopy for patients with inflammatory bowel disease (IBD) is endorsed by multiple specialty societies...
April 13, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29667892/ct-colonography-performance-for-the-detection-of-polyps-and-cancer-in-adults-%C3%A2-65-years-old-systematic-review-and-meta-analysis
#8
Perry J Pickhardt, Loredana Correale, Silvia Delsanto, Daniele Regge, Cesare Hassan
OBJECTIVE: We sought to perform a systematic review and meta-analysis of published CT colonography (CTC) studies assessing lesion detection in senior-age (≥ 65 years old) cohorts. MATERIALS AND METHODS: We conducted a systematic review of CTC studies published between January 1994 and August 2017 containing data on senior-age adults. The primary endpoint was the CTC-positive rate for large colorectal polyps (≥ 10 mm) and masses. Secondary endpoints included lesions ≥ 6 mm, proven advanced neoplasia, and colorectal cancer (CRC)...
April 18, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29667217/secondary-prostate-cancer-screening-outcomes-by-race-in-the-prostate-lung-colorectal-and-ovarian-plco-screening-trial
#9
Eric A Miller, Paul F Pinsky, Amanda Black, Gerald L Andriole, Dudith Pierre-Victor
BACKGROUND: Despite disparities in prostate cancer incidence and mortality rates between black and white men, there is still insufficient data available to assess potential differences in the benefits and harms of prostate cancer screening by race. Although the Prostate, Lung, Colorectal, and Ovarian (PLCO) Screening Trial is underpowered to detect a difference by race in prostate-cancer specific mortality, because of the large study size, there are still sufficient numbers to examine secondary screening outcomes...
April 17, 2018: Prostate
https://www.readbyqxmd.com/read/29666615/significance-of-streptococcus-gallolyticus-subsp-gallolyticus-association-with-colorectal-cancer
#10
REVIEW
Ewa Pasquereau-Kotula, Mariana Martins, Laetitia Aymeric, Shaynoor Dramsi
Streptococcus gallolyticus subsp. gallolyticus Sgg (formerly known as S. bovis type I) is the main causative agent of septicemia and infective endocarditis (IE) in elderly and immunocompromised persons. It belongs to the few opportunistic bacteria, which have been strongly associated to colorectal cancer (CRC). A literature survey covering a period of 40 years (1970-2010) revealed that 65% of patients diagnosed with an invasive Sgg infection had a concomitant colorectal neoplasia. Sgg is associated mainly with early adenomas and may thus constitute an early marker for CRC screening...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29664311/feasibility-of-colon-cancer-screening-by-fecal-immunochemical-test-in-iran
#11
Hamideh Salimzadeh, Faraz Bishehsari, Catherine Sauvaget, Mohammad Amani, Gholamreza Hamzehloo, Ali Nikfarjam, Shahin Merat, Alireza Delavari, Reza Malekzadeh
BACKGROUND: Colorectal cancer (CRC) is the third most common cancer in Iran, where there is no mass screening for the disease yet. We aimed to measure the feasibility of a pilot CRC screening program based on fecal immunochemical test (FIT) in Iranian population and the implications for scaling-up at the national level. METHODS: A single quantitative FIT was offered by health navigators to individuals aged between 45 and 75 years in primary health centers in rural and urban areas in Tehran...
December 1, 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29664310/feasibility-of-mass-screening-for-colorectal-cancer-using-fecal-immunochemical-test-in-iran
#12
EDITORIAL
Farin Kamangar, Mahsa Mohebtash
No abstract text is available yet for this article.
December 1, 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29663358/a-case-control-study-of-hiv-infection-and-cancer-in-the-era-of-antiretroviral-therapy-in-rwanda
#13
Tharcisse Mpunga, Ariana Znaor, F Regis Uwizeye, Aline Uwase, Cyprien Munyanshongore, Silvia Franceschi, Gary M Clifford
The aim of our study was to assess the association between HIV infection and cancer risk in Rwanda approximately a decade after the introduction of antiretroviral therapy (cART). All persons seeking cancer care at Butaro Cancer Center of Excellence (BCCOE) in Rwanda from 2012 to 2016 were routinely screened for HIV, prior to being confirmed with or without cancer (cases and controls, respectively). Cases were coded according to ICD-O-3 and converted to ICD10. Associations between individual cancer types and HIV were estimated using adjusted unconditional logistic regression...
April 16, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29662929/colorectal-cancer-screening-what-is-the-population-s-opinion
#14
Cristina Teixeira, Cláudio Martins, Daniel Trabulo, Suzane Ribeiro, Cláudia Cardoso, João Mangualde, Ricardo Freire, Élia Gamito, Ana Luisa Alves, Isabelle Cremers, Ana Paula Oliveira
Background: Colorectal cancer (CRC) is the first cause of death by cancer in Portugal and mortality has been increasing in the last 30 years. Materials and Methods: During a raising awareness campaign performed by our Gastroenterology Department, in Setúbal, Portugal, an anonymous written questionnaire was developed and presented in order to evaluate the population's knowledge and attitude regarding CRC screening. Results: The following results were reported: 140 persons; mean age 54...
March 2018: GE Portuguese Journal of Gastroenterology
https://www.readbyqxmd.com/read/29661621/predictive-nomogram-for-recurrence-of-stage-i-colorectal-cancer-after-curative-resection
#15
Chan Kim, Woo Ram Kim, Ki-Yeol Kim, Hong Jae Chon, Seung Hoon Beom, Hyojoong Kim, Minkyu Jung, Sang Joon Shin, Nam Kyu Kim, Joong Bae Ahn
BACKGROUND: Patients with stage I colorectal cancer (CRC) have excellent prognosis after curative surgery. However, approximately 5% to 10% of patients experience recurrence and have a poor prognosis. Because the incidence of stage I CRC is increasing with active screening programs worldwide, a more accurate and easy-to-use predictive tool for recurrence is becoming more important. This study aimed to develop a predictive nomogram for recurrence in stage I CRC. PATIENTS AND METHODS: A total of 1538 patients who underwent curative surgery for stage I CRC were enrolled...
March 29, 2018: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29661279/sources-of-distress-among-patients-undergoing-surgery-for-colorectal-cancer-a-qualitative-study
#16
Jonathan S Abelson, Alanna Chait, Megan J Shen, Mary Charlson, Anna Dickerman, Heather L Yeo
BACKGROUND: Distress is common among cancer and surgical patients and can lead to worse outcomes if untreated. The objective of this study was to explore sources of distress among colorectal cancer patients undergoing surgery. MATERIALS AND METHODS: This was a qualitative study using in-depth, semistructured, one-on-one interviews in an academic setting. Patients were recruited if they had a pathologically confirmed diagnosis of colon or rectal cancer. Purposive sampling was used to recruit patients who were about to undergo (preoperative), or had recently undergone (postoperative), curative resection for colorectal cancer...
June 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29660528/yield-of-colonoscopy-after-a-positive-result-from-a-fecal-immunochemical-test-oc-light
#17
Muhammad Alsayid, Maneesh H Singh, Rachel Issaka, Victoria Laleau, Lukejohn Day, Jeffrey Lee, James Allison, Ma Somsouk
BACKGROUND & AIMS: The fecal immunochemical test (FIT) is widely used in colorectal cancer (CRC) screening. The OC-Light FIT is 1 of 2 FITs recommended for CRC screening by the Preventive Services Task Force guidelines. However, little is known about its ability to detect CRC in large average-risk populations. METHODS: We performed a retrospective cohort study of patients (50-75 years old) in the San Francisco Health Network who were screened for CRC by OC-Light FIT from August 2010 through June 2015...
April 13, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29658599/screening-potential-biomarkers-for-colorectal-cancer-based-on-circular-rna-chips
#18
Shuo Chen, Lin Zhang, Yinan Su, Xipeng Zhang
The aim of the present study was to screen colorectal cancer (CRC) tissue and adjacent tissue for differences in circular RNA (circRNA) expression, to analyze the related miRNAs and messenger RNAs (mRNAs), and to investigate the circRNA expression in CRC and its function. The circRNA expression profile was generated using CapitalBio microarray technology. The differentially expressed circRNAs were identified with GeneSpring 12.5 software. Subsequently, the related mRNAs of the differentially expressed circRNAs were annotated with the molecule annotation system (MAS) 3...
April 16, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29658574/screening-for-implicated-genes-in-colorectal-cancer-using-whole%C3%A2-genome-gene-expression-profiling
#19
Long-Ci Sun, Hai-Xin Qian
To identify biologically relevant genes associated with the pathogenesis of colorectal cancer (CRC), genome wide expression profiles of 17 pairs of CRC tumor and adjacent tissues, previously published in a DNA microarray study, were analyzed. Cytoscape, String tools and DAVID tools were used to investigate the biological pathways encoded by the genes identified as being either upregulated or downregulated in CRC, to determine protein‑protein interactions and to identify potential hub genes associated with CRC...
April 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29657559/activation-peptide-of-the-coagulation-factor-xiii-ap-f13a1-as-a-new-biomarker-for-the-screening-of-colorectal-cancer
#20
Julien Peltier, Jean-Pierre Roperch, Stéphane Audebert, Jean-Paul Borg, Luc Camoin
Background: Colorectal cancer (CRC) remains a major cause of cancer fatalities in developed countries. The risk of death is correlated to the stage of CRC during the primary diagnosis. Early diagnosis is closely associated with enhanced survival rate. We therefore investigated the AP-F13A1 as a potential protein marker of CRC. Methods: The protein expression of FXIII in 40 serum samples was evaluated by enzyme-linked immunosorbent assays. Additionally, targeted proteomic assays (LC-PRM) were used to evaluate the expression of the activation peptide of F13A1 (AP-F13A1) in a further 113 serum samples...
2018: Clinical Proteomics
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