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https://www.readbyqxmd.com/read/28213792/validation-of-the-american-joint-commission-on-cancer-ajcc-8th-edition-staging-system-for-patients-with-pancreatic-adenocarcinoma-a-surveillance-epidemiology-and-end-results-seer-analysis
#1
Sivesh K Kamarajah, William R Burns, Timothy L Frankel, Clifford S Cho, Hari Nathan
BACKGROUND: The 8th edition of the AJCC staging system for pancreatic cancer incorporated several significant changes. This study sought to evaluate this staging system and assess its strengths and weaknesses relative to the 7th edition AJCC staging system. METHODS: Using the Surveillance, Epidemiology and End Results (SEER) database (2004-2013), 8960 patients undergoing surgical resection for non-metastatic pancreatic adenocarcinoma were identified. Overall survival was estimated using the Kaplan-Meier method and compared using log-rank tests...
February 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28205057/comparative-effectiveness-of-adjuvant-chemoradiotherapy-after-gastrectomy-among-older-patients-with-gastric-adenocarcinoma-a-seer-medicare-study
#2
Jennifer M Yeh, Angela C Tramontano, Chin Hur, Deborah Schrag
BACKGROUND: Since the INT-0116 trial reported a survival advantage, postoperative chemoradiotherapy (CRT) has been a care standard for US patients in whom gastric adenocarcinoma has been diagnosed. We sought to estimate the association between treatment and survival among the older US Medicare population. METHODS: This is a retrospective cohort study of Medicare beneficiaries aged 65-79 years with stage IB-III gastric adenocarcinoma diagnosed between 2002 and 2009 in a Surveillance, Epidemiology, and End Results region...
February 15, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28202224/the-metastatic-potential-of-renal-tumors-influence-of-histologic-subtypes-on-definition-of-small-renal-masses-risk-stratification-and-future-active-surveillance-protocols
#3
Michael Daugherty, Dillon Sedaghatpour, Oleg Shapiro, Srinivas Vourganti, Alexander Kutikov, Gennady Bratslavsky
OBJECTIVE: The influence of histology in metastatic potential is often overlooked when discussing the management options of small renal masses (SRM), with size or growth rate often serving as the triggers for the intervention. We aim to re-examine the definition of a SRM by evaluating the metastatic potential of renal masses incorporating tumor size and histology to create metastatic risk tables. MATERIALS AND METHODS: Surveillance Epidemiology and End Results (SEER)-18 registries database was queried for all cases of clear cell, papillary, and chromophobe renal cell carcinoma (RCC) diagnosed between 2004 and 2012...
February 12, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28199962/incorporation-of-the-number-of-positive-lymph-nodes-leads-to-better-prognostic-discrimination-of-node-positive-early-stage-cervical-cancer
#4
Juan Zhou, San-Gang Wu, Jia-Yuan Sun, Xu-Lin Liao, Feng-Yan Li, Huan-Xin Lin, Li-Chao Yang, Zhen-Yu He
To determine the prognostic value of the number of positive lymph nodes (LNs) in cervical cancer and further stratify patients with positive LNs into multiple risk groups based on analysis of Surveillance Epidemiology and End Results (SEER) program. Patients with cervical cancer who undergo hysterectomy and had pathologically-confirmed positive LNs after lymphadenectomy were identified using the SEER database (1988-2012). Kaplan-Meier survival methods and Cox proportional hazards regression were performed. We included 2,222 patients with the median number of removed LNs and positive LNs was 22 and 2, respectively...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28197206/survival-after-abdominoperineal-and-sphincter-preserving-resection-in-nonmetastatic-rectal-cancer-a-population-based-time-trend-and-propensity-score-matched-seer-analysis
#5
Rene Warschkow, Sabrina M Ebinger, Walter Brunner, Bruno M Schmied, Lukas Marti
Background. Abdominoperineal resection (APR) has been associated with impaired survival in nonmetastatic rectal cancer patients. It is unclear whether this adverse outcome is due to the surgical procedure itself or is a consequence of tumor-related characteristics. Study Design. Patients were identified from the Surveillance, Epidemiology, and End Results database. The impact of APR compared to coloanal anastomosis (CAA) on survival was assessed by Cox regression and propensity-score matching. Results. In 36,488 patients with rectal cancer resection, the APR rate declined from 31...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28196023/the-more-the-better-lower-rate-of-stage-migration-and-better-survival-in-patients-with-retrieval-of-20-or-more-regional-lymph-nodes-in-pancreatic-cancer-a-population-based-propensity-score-matched-and-trend-seer-analysis
#6
Rene Warschkow, Bernhard Widmann, Ulrich Beutner, Lukas Marti, Thomas Steffen, Marc Schiesser, Bruno M Schmied
OBJECTIVE: The aim of this study was to assess the influence of regional lymph node (RLN) retrieval on stage migration and survival in pancreatic cancer. METHODS: A total of 7,685 stage I and II pancreatic cancer patients were identified in the Surveillance, Epidemiology, and End Results database in 2004-2011. The impact of RLN was assessed using Cox regression, propensity score methods, and joinpoint regression. RESULTS: In 3,079 patients, 1 to 10 RLNs were retrieved; in 2,799 patients, 11 to 19 RLNs, and in 1,807 patients, 20+ RLNs...
February 14, 2017: Pancreas
https://www.readbyqxmd.com/read/28195651/early-estimates-of-seer-cancer-incidence-2014
#7
Denise Riedel Lewis, Huann-Sheng Chen, Myles G Cockburn, Xiao-Cheng Wu, Antoinette M Stroup, Douglas N Midthune, Zhaohui Zou, Martin F Krapcho, Daniel G Miller, Eric J Feuer
BACKGROUND: Cancer incidence rates and trends for cases diagnosed through 2014 using data reported to the Surveillance, Epidemiology, and End Results (SEER) program in February 2016 and a validation of rates and trends for cases diagnosed through 2013 and submitted in February 2015 using the November 2015 submission are reported. New cancer sites include the pancreas, kidney and renal pelvis, corpus and uterus, and childhood cancer sites for ages birth to 19 years inclusive. METHODS: A new reporting delay model is presented for these estimates for more consistent results with the model used for the usual November SEER submissions, adjusting for the large case undercount in the February submission...
February 14, 2017: Cancer
https://www.readbyqxmd.com/read/28195022/impact-of-county-level-socioeconomic-status-on-oropharyngeal-cancer-survival-in-the-united-states
#8
Uchechukwu C Megwalu
Objective To evaluate the impact of county-level socioeconomic status on survival in patients with oropharyngeal cancer in the United States. Study Design Retrospective cohort study via a large population-based cancer database. Methods Data were extracted from the SEER 18 database (Surveillance, Epidemiology, and End Results) of the National Cancer Institute. The study cohort included 18,791 patients diagnosed with oropharyngeal squamous cell carcinoma between 2004 and 2012. Results Patients residing in counties with a low socioeconomic status index had worse overall survival (56...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28194807/demographic-changes-in-breast-cancer-incidence-stage-at-diagnosis-and-age-associated-with-population-based-mammographic-screening
#9
Francys C Verdial, Ruth Etzioni, Catherine Duggan, Benjamin O Anderson
BACKGROUND: Breast cancer incidence and mortality are influenced by early-detection methods, including mammographic screening. Demographic changes in US statistics serve as a model for changes that can be anticipated in countries where mammographic screening has not been implemented. METHODS: SEER statistics (1973-2013) for breast cancer mortality, incidence, stage at diagnosis, and age at diagnosis were examined. Temporal associations between screening changes and breast cancer demographics in the US were documented...
February 14, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28194604/hepatocellular-carcinoma-biology-predicts-survival-outcome-after-liver-transplantation-in-the-usa
#10
Mohamed Abd El-Fattah
PURPOSE: The aim of this study is to evaluate the clinicopathologic prognostic factors of cancer-specific survival (CSS) in hepatocellular carcinoma (HCC) patients who underwent liver transplantation (LT) stratified by tumor size. METHODS: From the Surveillance, Epidemiology, and End Results (SEER) 18 registries (2004-2012), we retrieved data of 570 patients who underwent LT for a solitary primary HCC lesion ≤5 cm. A two multivariable Cox models were constructed to identify prognostic factors of CSS in a two different tumor sizes (2 cm cutoff)...
February 14, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/28193515/infliximab-not-associated-with-increased-risk-of-malignancy-or-hemophagocytic-lymphohistiocytosis-in-pediatric-patients-with-inflammatory-bowel-disease
#11
Jeffrey S Hyams, Marla C Dubinsky, Robert N Baldassano, Richard B Colletti, Salvatore Cucchiara, Johanna Escher, William Faubion, John Fell, Benjamin D Gold, Anne Griffiths, Sibylle Koletzko, Subra Kugathasan, James Markowitz, Frank M Ruemmele, Gigi Veereman, Harland Winter, Nicholas Masel, Chu Ri Shin, Kezhen L Tang, Meena Thayu
BACKGROUND AND AIMS: Immunosuppressive therapy for inflammatory bowel disease (IBD) in pediatric patients is thought to increase risk of malignancy and lymphoproliferative disorders, including hemophagocytic lymphohistiocytosis (HLH). We compared unadjusted incidence rates and of malignancy and HLH in pediatric patients with IBD exposed to infliximab compared with patients not exposed to biologics and calculated standardized incidence ratios (SIRs). METHODS: We collected and analyzed data from 5766 participants in a prospective study of long-term outcomes of pediatric patients with IBD (NCT00606346), from 2007 through 30 June 2016...
February 10, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28190686/role-of-snow-in-the-fate-of-gaseous-and-particulate-exhaust-pollutants-from-gasoline-powered-vehicles
#12
Yevgen Nazarenko, Sébastien Fournier, Uday Kurien, Rodrigo Benjamin Rangel-Alvarado, Oleg Nepotchatykh, Patrice Seers, Parisa A Ariya
Little is known about pollution in urban snow and how aerosol and gaseous air pollutants interact with the urban snowpack. Here we investigate interactions of exhaust pollution with snow at low ambient temperature using fresh snow in a temperature-controlled chamber. A gasoline-powered engine from a modern light duty vehicle generated the exhaust and was operated in homogeneous and stratified engine regimes. We determined that, within a timescale of 30 min, snow takes up from the exhaust a large mass of organic pollutants and aerosol particles, which were observed by electron microscopy, mass spectrometry and aerosol sizers...
February 9, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28187996/pattern-of-solid-and-hematopoietic-second-malignancy-after-local-therapy-for-prostate-cancer
#13
Chenyang Wang, Christopher R King, Mitchell Kamrava, Keisuke S Iwamoto, Allen M Chen, Daniel Low, Patrick A Kupelian, Michael L Steinberg
BACKGROUND AND PURPOSE: Second malignancies (SM) after external beam radiotherapy (EBRT) or brachytherapy (BT) for prostate cancer (PCa) are rare but serious sequelae. MATERIALS AND METHODS: The Surveillance, Epidemiology, and End Results (SEER) database was used to identify men diagnosed with cT1-2N0M0 PCa between 1999 and 2005, who underwent EBRT, BT or radical prostatectomy (RP). Patients with time interval to second malignancy or follow-up shorter than five and two years were excluded for solid and hematopoietic SM analyses respectively...
February 7, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28185118/gastric-cancer-in-fap-a-concerning-rise-in-incidence
#14
Gautam Mankaney, Pamela Leone, Michael Cruise, Lisa LaGuardia, Margaret O'Malley, Amit Bhatt, James Church, Carol A Burke
The highest cancer risks in familial adenomatous polyposis (FAP) include colorectal, duodenal, and thyroid for which surveillance is recommended. Nearly all patients with FAP have gastric fundic gland polyposis (FGP), but gastric cancers are rarely reported with a similar incidence as the general population. We describe a recent, sudden increase in the incidence of gastric cancer in FAP. Seven of the ten cases were diagnosed in the last 20 months. Comparing our population to the SEER database for gastric cancer, the standardized incidence ratio is 140...
February 9, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28184216/porphyromonas-gingivalis-uses-specific-domain-rearrangements-and-allelic-exchange-to-generate-diversity-in-surface-virulence-factors
#15
Stuart G Dashper, Helen L Mitchell, Christine A Seers, Simon L Gladman, Torsten Seemann, Dieter M Bulach, P Scott Chandry, Keith J Cross, Steven M Cleal, Eric C Reynolds
Porphyromonas gingivalis is a keystone pathogen of chronic periodontitis. The virulence of P. gingivalis is reported to be strain related and there are currently a number of strain typing schemes based on variation in capsular polysaccharide, the major and minor fimbriae and adhesin domains of Lys-gingipain (Kgp), amongst other surface proteins. P. gingivalis can exchange chromosomal DNA between strains by natural competence and conjugation. The aim of this study was to determine the genetic variability of P...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28183825/insurance-status-and-racial-disparities-in-cancer-specific-mortality-in-the-united-states-a-population-based-analysis
#16
Hubert Y Pan, Gary V Walker, Stephen R Grant, Pamela K Allen, Jing Jiang, B Ashleigh Guadagnolo, Benjamin D Smith, Matthew Koshy, Chad G Rusthoven, Usama Mahmood
BACKGROUND: Cancer-specific mortality (CSM) is known to be higher among blacks and lower among Hispanics compared to whites. Private insurance confers CSM benefit, but few studies have examined the relationship between insurance status and racial disparities. We sought to determine differences in CSM between races within insurance subgroups. METHODS: A population-based cohort of 577,716 patients age 18-64 years diagnosed with one of the 10 solid malignancies causing the greatest mortality over 2007-2012 were obtained from SEER...
February 9, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28179335/addition-of-rituximab-to-chemotherapy-reduced-the-rate-of-surgery-for-gastric-dlbcl-without-increasing-early-mortality
#17
Philippe Prouet, Smith Giri, Eric Wiedower, Andrew Fintel, George Yaghmour, Elena Paulus Lamb, Jeremiah Deneve, Martin Fleming, Paxton Dickson, Jason C Chandler, Mike G Martin
BACKGROUND: We evaluated surgical trends for gastric diffuse large B-cell lymphoma (gDLBCL) before and after the approval of rituximab and whether an association of early mortality existed in patients treated after approval of rituximab. PATIENTS AND METHODS: We utilized the Surveillance Epidemiology and End Results (SEER) 18 database to extract data on patients with gDLBCL diagnosed between 1983-2012. Primary site-specific cancer-directed surgery using SEER site-specific surgical codes and annual trends were analyzed...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28177521/relationship-between-tumour-size-and-outcome-in-pancreatic-ductal-adenocarcinoma
#18
D Ansari, M Bauden, S Bergström, R Rylance, G Marko-Varga, R Andersson
BACKGROUND: The size of pancreatic ductal adenocarcinoma (PDAC) at diagnosis is an indicator of outcome. Previous studies have focused mostly on patients with resectable disease. The aim of this study was to investigate the relationship between tumour size and risk of metastasis and death in a large PDAC cohort, including all stages. METHODS: Patients diagnosed with PDAC between 1988 and 2013 were identified from the Surveillance, Epidemiology, and End Results (SEER) database...
February 8, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28173955/nasopharyngeal-adenocarcinoma-a-population-based-analysis
#19
Edward C Kuan, Jose E Alonso, Armin Arshi, Maie A St John
OBJECTIVES/HYPOTHESIS: To describe the incidence and determinants of survival of patients with nasopharyngeal adenocarcinoma between the years of 1973 to 2012 using the Surveillance, Epidemiology, and End Result (SEER) database. STUDY DESIGN: Retrospective cohort study using a national database. METHODS: The SEER registry was utilized to calculate survival trends for patients with nasopharyngeal adenocarcinoma between 1973 and 2012. Patient data was then analyzed with respect to histopathology, age, sex, race, stage, grade, and treatment modalities (surgery and radiation therapy)...
January 31, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28173954/adenoid-cystic-carcinoma-of-the-base-of-tongue-a-population-based-study
#20
Diana N Kirke, Chandala Chitguppi, Samuel J Rubin, Minh T Truong, Scharukh Jalisi
BACKGROUND: The objective was to assess demographic and survival patterns in patients with adenoid cystic carcinoma of the base of tongue. METHODS: Patients were extracted from the Surveillance, Epidemiology and End Results (SEER) database from 1973 through 2012 and were categorized by age, gender, race, historical stage A, and treatment. Incidence and survival were compared with Kaplan Meier curves and mortality hazard ratios. RESULTS: A total of 216 patients were included...
January 18, 2017: American Journal of Otolaryngology
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