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https://www.readbyqxmd.com/read/29786691/prognosis-and-nomogram-for-predicting-postoperative-survival-of-duodenal-adenocarcinoma-a-retrospective-study-in-china-and-the-seer-database
#1
Sujing Jiang, Rongjie Zhao, Yiran Li, Xufeng Han, Zhen Liu, Weiting Ge, Ying Dong, Weidong Han
As primary duodenal adenocarcinoma is rare, the prognostic factors of this disease remain insufficiently explored, especially in China. We identified postoperative duodenal adenocarcinoma patients at a Chinese double-center (from 2006 to 2016) or who were registered with the Surveillance, Epidemiology, and End Results (SEER) database (from 2004 to 2014). Clinicopathological features and significant prognostic factors for cancer-specific survival (CSS) were reviewed and analyzed by using univariate and multivariate Cox proportional hazards regression...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29784746/role-of-molecular-pathology-in-the-treatment-of-anaplastic-gliomas-and-glioblastomas
#2
Matthias Holdhoff
The 2016 WHO Classification of Tumors of the Central Nervous System integrated molecular biomarkers into the classifications of malignant gliomas. Several markers now play a key role in our understanding of these tumors and are integral for clinical decision-making; these include codeletion of 1p and 19q and IDH1 and IDH2 mutations. The presentation by Matthias Holdhoff, MD, PhD, at the NCCN 23rd Annual Conference discussed the current understanding of anaplastic gliomas (WHO grade III) in the context of the new classification and its implications on clinical practice...
May 2018: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29784370/the-classification-of-lung-cancers-and-their-degree-of-malignancy-by-ftir-pca-lda-analysis-and-a-physics-based-computational-model
#3
E Kaznowska, J Depciuch, K Łach, M Kołodziej, A Koziorowska, J Vongsvivut, I Zawlik, M Cholewa, J Cebulski
Lung cancer has the highest mortality rate of all malignant tumours. The current effects of cancer treatment, as well as its diagnostics, are unsatisfactory. Therefore it is very important to introduce modern diagnostic tools, which will allow for rapid classification of lung cancers and their degree of malignancy. For this purpose, the authors propose the use of Fourier Transform InfraRed (FTIR) spectroscopy combined with Principal Component Analysis-Linear Discriminant Analysis (PCA-LDA) and a physics-based computational model...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29783999/identification-of-micro-rna-expression-profile-related-to-recurrence-in-women-with-esmo-low-risk-endometrial-cancer
#4
Tiphaine de Foucher, Maria Sbeih, Jenifer Uzan, Sofiane Bendifallah, Marine Lefevre, Nathalie Chabbert-Buffet, Selim Aractingi, Catherine Uzan, Issam Abd Alsalam, Rana Mitri, Romain H Fontaine, Emile Daraï, Bassam Haddad, Céline Méhats, Marcos Ballester, Geoffroy Canlorbe, Cyril Touboul
BACKGROUND: Actual European pathological classification of early-stage endometrial cancer (EC) may show insufficient accuracy to precisely stratify recurrence risk, leading to potential over or under treatment. Micro-RNAs are post-transcriptional regulators involved in carcinogenic mechanisms, with some micro-RNA patterns of expression associated with EC characteristics and prognosis. We previously demonstrated that downregulation of micro-RNA-184 was associated with lymph node involvement in low-risk EC (LREC)...
May 21, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29783911/can-predictive-modeling-identify-head-and-neck-oncology-patients-at-risk-for-readmission
#5
Amy M Manning, Keith A Casper, Kay St Peter, Keith M Wilson, Jonathan R Mark, Ryan M Collar
Objective Unplanned readmission within 30 days is a contributor to health care costs in the United States. The use of predictive modeling during hospitalization to identify patients at risk for readmission offers a novel approach to quality improvement and cost reduction. Study Design Two-phase study including retrospective analysis of prospectively collected data followed by prospective longitudinal study. Setting Tertiary academic medical center. Subjects and Methods Prospectively collected data for patients undergoing surgical treatment for head and neck cancer from January 2013 to January 2015 were used to build predictive models for readmission within 30 days of discharge using logistic regression, classification and regression tree (CART) analysis, and random forests...
May 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29783688/isolation-and-composition-analysis-of-bioactive-glycosaminoglycans-from-whelk
#6
Chrow Khurshid, David Alexander Pye
Glycosaminoglycans (GAGs) are found covalently attached to proteins, which create conjugates known as proteoglycans. GAGs have remarkable biological activity as co-receptors for a variety of growth factors, cytokines, and chemokines. The present study identifies the key compositional differences between the GAGs isolated from whelk and mammalian GAGs. This polysaccharide represents a new, previously undescribed GAG with cytotoxic activity on cancer cells. Disaccharides were obtained by sample digestion with heparinases I, II, and III and chondroitinase ABC...
May 18, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29783093/a-direct-plasma-mirna-assay-for-early-detection-and-histological-classification-of-lung-cancer
#7
Qixin Leng, Yue Wang, Feng Jiang
Cell-free microRNAs in plasma provide circulating biomarkers for lung cancer. Most techniques for analysis of miRNAs require a large plasma volume to purify a sufficient RNA yield followed by complicated downstream processing. Small differences in the multiple procedures often cause large analytical variations and poor diagnostic values of the plasma biomarkers. Here we investigate whether directly quantifying plasma miRNAs without RNA purification could diagnose lung cancer. FirePlex assay was directly applied to 20 μl plasma of 56 lung cancer patients and 28 cancer free controls for quantifying 11 lung tumor-associated miRNAs...
May 17, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29783001/laparoscopic-extraperitoneal-pelvic-lymph-node-debulking-in-locally-advanced-cervical-cancer
#8
Diaz-Feijoo Berta, Luna-Guibourg Rocio, Cabrera Silvia, Manrique Susana, Gil-Moreno Antonio
OBJECTIVE: To demonstrate the feasibility of laparoscopic extraperitoneal approach for pelvic metastatic lymph node debulking in locally advanced cervical cancer. DESIGN: Surgical video article. Canadian task force Classification III. SETTING: University Hospital PATIENT: A 52 year-old patient presented a stage IIA2 Cervical adenocarcinoma according to FIGO classification. The physical exam reported a 45 mm tumor. Positron emission tomography (PET- CT) was positive for hypermetabolic enlarged lymph nodes in left external iliac region of 1...
May 18, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29782618/liver-targeted-therapies-for-hepatocellular-carcinoma-prior-to-transplant-contemporary-management-strategies
#9
Mustafa Nazzal, Sameer Gadani, Abdullah Said, Mandy Rice, Obi Okoye, Ahmad Taha, Krista L Lentine
Hepatocellular carcinoma (HCC) is an aggressive neoplastic disease that has been rapidly increasing in incidence. It usually occurs in the background of liver disease, and cirrhosis. Definitive therapy requires surgical resection. However, in majority of cases surgical resection is not tolerated, especially in the presence of portal hypertension and cirrhosis. Orthotopic liver transplant (OLT) in well selected candidates has been accepted as a viable option. Due to a relative scarcity of donors compared to the number of listed recipients, long waiting times are anticipated...
April 2018: Global surgery
https://www.readbyqxmd.com/read/29781117/psa-screening-prostate-biopsy-and-treatment-of-prostate-cancer-in-the-years-surrounding-the-uspstf-recommendation-against-prostate-cancer-screening
#10
James T Kearns, Sarah K Holt, Jonathan L Wright, Daniel W Lin, Paul H Lange, John L Gore
BACKGROUND: The 2012 United States Preventive Services Task Force recommendation against screening for prostate cancer has impacted rates of prostate-specific antigen (PSA) screening and appears to be associated with declining prostate cancer incidence. Our objective was to characterize health care utilization that may explain these observed trends. METHODS: MarketScan claims, which capture >30 million privately insured patients in the United States, were queried for all men aged 40-64 years for the years 2008-2014...
May 21, 2018: Cancer
https://www.readbyqxmd.com/read/29780112/lymph-node-metastasis-of-mixed-adenoneuroendocrine-carcinoma-after-curative-resection-using-the-expanded-criteria-for-early-gastric-cancer
#11
Tadashi Ochiai, Masaki Ominami, Yasuaki Nagami, Shusei Fukunaga, Takahiro Toyokawa, Hirokazu Yamagami, Tetsuya Tanigawa, Toshio Watanabe, Masaichi Ohira, Masahiko Ohsawa, Yasuhiro Fujiwara
Endoscopic submucosal dissection (ESD) of lesions using expanded indications for early gastric cancer (EGC) has been accepted as an alternative treatment for cases without lymph node metastasis. We herein report a rare case of metastatic lymph node tissue in mixed adenoneuroendocrine carcinoma (MANEC) after curative ESD using the expanded pathological criteria. A 70-year-old man underwent ESD for two EGC lesions. A pathological examination revealed lesions that required curative resection based on the expanded pathological criteria of the Japanese classification of gastric carcinoma...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29778330/lymph-node-metastasis-in-thymic-malignancies-a-chinese-multicenter-prospective-observational-study
#12
Wentao Fang, Yun Wang, Liewen Pang, Zhitao Gu, Yucheng Wei, Yongyu Liu, Peng Zhang, Chun Chen, Xinming Zhou, Yangchun Liu, Keneng Chen, Jianyong Ding, Yongtao Han, Yin Li, Zhentao Yu, Yuan Liu, Jianhua Fu
OBJECTIVES: To study the incidence and pattern of lymph node metastases in thymic malignancies. METHODS: This multicenter prospective observational trial with intentional lymph node dissection was carried out by the Chinese Alliance for Research in Thymomas (ChART). Data on patients with thymic tumors without pretreatment were collected prospectively. Results from this prospective study were then compared with those from a previously reported ChART retrospective study...
April 18, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29776650/signaling-pathway-deregulation-and-molecular-alterations-across-pediatric-medulloblastomas
#13
REVIEW
B Lhermitte, A F Blandin, A Coca, E Guerin, A Durand, N Entz-Werlé
Medulloblastomas (MBs) account for 15% of brain tumors in children under the age of 15. To date, the overall 5-year survival rate for all children is only around 60%. Recent advances in cancer genomics have led to a fundamental change in medulloblastoma classification and is evolving along with the genomic discoveries, allowing to regularly reclassify this disease. The previous molecular classification defined 4 groups (WNT-activated MB, SHH-activated MB and the groups 3 and 4 characterized partially by NMYC and MYC driven MBs)...
May 15, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29776639/gynecologic-cancers-molecular-updates-2018
#14
REVIEW
Eman Abdulfatah, Quratulain Ahmed, Baraa Alosh, Sudeshna Bandyopadhyay, Martin H Bluth, Rouba Ali-Fehmi
Ovarian carcinoma continues to be a concern for woman and maintains significant morbidity and mortality. Emerging molecular markers are providing additional opportunities for effective diagnosis and prognosis of disease. An integrated clinicopathologic and molecular classification of gynecologic malignancies has the potential to refine the clinical risk prediction of patients with cancer and to provide more tailored treatment recommendations.
June 2018: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29776633/molecular-diagnostics-in-colorectal-carcinoma-advances-and-applications-for-2018
#15
REVIEW
Amarpreet Bhalla, Muhammad Zulfiqar, Martin H Bluth
The molecular pathogenesis and classification of colorectal carcinoma are based on the traditional adenomaecarcinoma sequence, serrated polyp pathway, and microsatellite instability (MSI). The genetic basis for hereditary nonpolyposis colorectal cancer is the detection of mutations in the MLH1, MSH2, MSH6, PMS2, and EPCAM genes. Genetic testing for Lynch syndrome includes MSI testing, methylator phenotype testing, BRAF mutation testing, and molecular testing for germline mutations in MMR genes. Molecular makers with predictive and prognostic implications include quantitative multigene reverse transcriptase polymerase chain reaction assay and KRAS and BRAF mutation analysis...
June 2018: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29776129/assay-based-on-electrical-impedance-spectroscopy-to-discriminate-between-normal-and-cancerous-mammalian-cells
#16
Fabián Eduardo Giana, Fabián José Bonetto, Mariela Inés Bellotti
In this work we present an assay to discriminate between normal and cancerous cells. The method is based on the measurement of electrical impedance spectra of in vitro cell cultures. We developed a protocol consisting on four consecutive measurement phases, each of them designed to obtain different information about the cell cultures. Through the analysis of the measured data, 26 characteristic features were obtained for both cell types. From the complete set of features, we selected the most relevant in terms of their discriminant capacity by means of conventional statistical tests...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775690/molecular-subtyping-of-colorectal-cancer-recent-progress-new-challenges-and-emerging-opportunities
#17
REVIEW
Wei Wang, Raju Kandimalla, Hao Huang, Lina Zhu, Ying Li, Feng Gao, Ajay Goel, Xin Wang
Colorectal cancer (CRC) is one of the leading causes of cancer-related deaths worldwide. Similar to many other malignancies, CRC is a heterogeneous disease, making it a clinical challenge for optimization of treatment modalities in reducing the morbidity and mortality associated with this disease. A more precise understanding of the biological properties that distinguish patients with colorectal tumors, especially in terms of their clinical features, is a key requirement towards a more robust, targeted-drug design, and implementation of individualized therapies...
May 15, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29775073/diffuse-gliomas-for-nonneuropathologists-the-new-integrated-molecular-diagnostics
#18
Sunhee C Lee
Diffuse gliomas comprise the bulk of "brain cancer" in adults. The recent update to the 4th edition of the World Health Organization's classification of tumors of the central nervous system reflects an unprecedented change in the landscape of the diagnosis and management of diffuse gliomas that will affect all those involved in the management and care of patients. Of the recently discovered gene alterations, mutations in the Krebs cycle enzymes isocitrate dehydrogenases (IDHs) 1 and 2 have fundamentally changed the way the gliomas are understood and classified...
May 18, 2018: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29774870/radiomics-in-gliomas-a-promising-assistance-for-glioma-clinical-research
#19
Yueshuang Leng, Xiaoyi Wang, Weihua Liao, Ya Cao
Gliomas are the most common brain primary tumors worldwide, which is the earliest sequenced cancer gene in the Cancer Genome Atlas (TCGA) project. The World Health Organization Classification Update of Central Nervous System (CNS) Tumors 2016 highlights that glioma is the first tumor classified based on both of the molecular markers and histology. Radiomics is an extraction approach for high-throughput data which collects the quantitative image information appearing. Combined imaging data with genomics and proteomics, radiomics show promising prediction for cancer diagnosis, treatment, and prognosis...
April 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29774630/the-emerging-roles-of-long-non-coding-rna-in-cancer
#20
Anna Sanchez Calle, Yumi Kawamura, Yusuke Yamamoto, Fumitaka Takeshita, Takahiro Ochiya
Since comprehensive analysis of the mammalian genome has revealed that the vast majority of genomic products are transcribed in long non-coding RNAs (lncRNAs), increasing attention has been paid towards these transcripts. The applied next-generation sequencing technologies have provided accumulating evidence of dysregulated lncRNAs in cancer. The implication of this finding may be seen in many forms and at multiple levels. With impacts ranging from integrating chromatin remodeling complexes to regulating transcription and post-transcriptional processes, aberrant expression of lncRNAs may have repercussions in cell proliferation, tumor progression or metastasis...
May 17, 2018: Cancer Science
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