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https://www.readbyqxmd.com/read/28432678/anal-metastasis-of-rectal-cancer-adenocarcinoma-of-squamous-cells-a-case-report-and-literature-review
#1
Shun Sasaki, Masahiko Sugiyama, Yu Nakaji, Ryota Nakanishi, Yuichiro Nakashima, Hiroshi Saeki, Eiji Oki, Yoshinao Oda, Yoshihiko Maehara
Anal metastasis of colorectal cancer is very rare and is usually associated with a history of anal disease, including anal fistula, fissure, hemorrhoidectomy, and anastomotic injury. We report a case of rectal cancer with a synchronous anal metastasis consisting of adenocarcinoma of squamous cells without a history of anal disease. A 60-year-old woman had a chief complaint of melena. She had a 1.5-cm anal tumor on the perianal skin, and a Bollman type 2 rectal tumor on the Ra portion was found on colonoscopy...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28432617/prognostic-significance-of-histologic-subtype-in-pstage-i-lung-adenocarcinoma
#2
Nozomu Motono, Takuma Matsui, Yuichiro Machida, Katsuo Usuda, Hidetaka Uramoto
The International Association for the Study of Lung Cancer, the American Thoracic Society, and the European Respiratory Society (IASLC/ATS/ERS) proposed a new histologic classification of lung adenocarcinoma in 2011. While several studies have already validated the prognostic value of this new classification of lung adenocarcinoma, we conducted own investigation in the present study. This study included 197 patients with invasive lung adenocarcinoma who underwent complete resection. Pathologic diagnoses were made in accordance with the new IASLC/ATS/ERS classification for lung adenocarcinoma...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28432576/clinical-benefit-of-neoadjuvant-chemoradiotherapy-for-the-avoidance-of-pneumonectomy-assessment-in-12-consecutive-centrally-located-non-small-cell-lung-cancers
#3
Keizo Misumi, Hiroaki Harada, Norifumi Tsubokawa, Yasuhiro Tsutani, Kotaro Matsumoto, Yoshihiro Miyata, Yoshinori Yamashita, Morihito Okada
BACKGROUND: Considering that pneumonectomy itself is a disease, avoidance of pneumonectomy needs to be deliberated. Herein, we evaluated the role of neoadjuvant chemoradiotherapy for avoidance of pneumonectomy in patients with centrally located locally advanced non-small cell lung cancer. METHODS: Patients who underwent neoadjuvant chemoradiotherapy after being judged to require pneumonectomy by cancer board between 1997 and 2011 were retrospectively evaluated. RESULTS: Twelve patients, including 10 males and 2 females with median age 63...
April 21, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28432562/increased-expression-of-the-microrna-106b-25-cluster-and-its-host-gene-mcm7-in-corticotroph-pituitary-adenomas-is-associated-with-tumor-invasion-and-crooke-s-cell-morphology
#4
Filip Garbicz, Dawid Mehlich, Beata Rak, Emir Sajjad, Maria Maksymowicz, Wiktor Paskal, Grzegorz Zieliński, Paweł K Włodarski
PURPOSE: MCM7 (minichromosome maintenance complex component 7), a DNA replication licensing factor, is a host gene for the oncogenic miR-106b~25 cluster. It has been recently revealed as a relevant prognostic biomarker in a variety of cancers, including pituitary adenomas. The purpose of this study was to assess whether miR-106b~25 and MCM7 levels correlate with tumor invasiveness in a cohort of ACTH-immunopositive adenomas. METHODS: Tissue samples were obtained intraoperatively from 25 patients with pituitary adenoma...
April 21, 2017: Pituitary
https://www.readbyqxmd.com/read/28432515/mri-predicts-pathologic-complete-response-in-her2-positive-breast-cancer-after-neoadjuvant-chemotherapy
#5
Mette S van Ramshorst, Claudette E Loo, Emilie J Groen, Gonneke H Winter-Warnars, Jelle Wesseling, Frederieke van Duijnhoven, Marie-Jeanne T Vrancken Peeters, Gabe S Sonke
BACKGROUND: Neoadjuvant treatment of HER2-positive breast cancer frequently leads to a pathologic complete response (pCR), which is associated with favourable long-term outcome. Treatment regimens typically consist of 6-9 cycles of trastuzumab-based chemotherapy, although many patients achieve early radiologic complete response (rCR). If rCR accurately predicts pCR, the number of chemotherapy cycles can possibly be reduced. METHODS: We performed a diagnostic accuracy study to determine the association between rCR and pCR in patients with stage II-III HER2-positive breast cancer treated with neoadjuvant trastuzumab-based chemotherapy at the Netherlands Cancer Institute...
April 21, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28432391/patterns-and-outcomes-of-recurrent-esophageal-cancer-after-curative-esophagectomy
#6
Kotaro Yamashita, Masayuki Watanabe, Shinji Mine, Takanori Kurogochi, Akihiko Okamura, Masaru Hayami, Yu Imamura
BACKGROUND: The recurrence patterns and therapeutic outcomes of patients with recurrent esophageal cancer after curative esophagectomy are not fully understood. METHODS: Data on recurrence patterns and sites of recurrence in patients with recurrent esophageal cancer after curative esophagectomy from 2005 to 2015 were retrospectively analyzed. Time to recurrence after curative esophagectomy and survival after recurrence were compared among groups stratified by recurrence pattern and site...
April 21, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28432295/laparoscopic-versus-open-liver-resection-for-colorectal-liver-metastases-a-comprehensive-systematic-review-and-meta-analysis
#7
Si-Ming Xie, Jun-Jie Xiong, Xue-Ting Liu, Hong-Yu Chen, Daniel Iglesia-García, Kiran Altaf, Shameena Bharucha, Wei Huang, Quentin M Nunes, Peter Szatmary, Xu-Bao Liu
The effects of laparoscopic liver resection (LLR) and open liver resection (OLR) on oncological outcomes for colorectal cancer liver metastases (CCLM) remain inconclusive. Major databases were searched from January 1992 to October 2016. Effects of LLR vs OLR were determined. The primary endpoints were oncological outcomes. In total, 32 eligible non-randomized studies with 4697 patients (LLR: 1809, OLR: 2888) were analyzed. There were higher rates of clear surgical margins (OR: 1.64, 95%CI: 1.32 to 2.05, p < 0...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432125/sequential-adaptive-changes-in-a-c-myc-driven-model-of-hepatocellular-carcinoma
#8
James M Dolezal, Huabo Wang, Sucheta Kulkarni, Laura Jackson, Jie Lu, Sarangarajan Ranganathan, Eric S Goetzman, Sivakama Bharathi, Kevin Beezhold, Craig A Byersdorfer, Edward V Prochownik
Hepatocellular carcinoma (HCC) is a common cancer that frequently over-expresses the c-Myc (Myc) oncoprotein. Using a mouse model of Myc-induced HCC, we studied the metabolic, biochemical and molecular changes accompanying HCC progression, regression and recurrence. These involved altered rates of pyruvate and fatty acid β-oxidation and the likely re-directing of glutamine into biosynthetic rather than energy-generating pathways. Initial tumors also showed reduced mitochondrial mass and differential contributions of electron transport chain Complexes I and II to respiration...
April 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28431527/evaluation-of-the-correlation-of-vasculogenic-mimicry-aldh1-kai1-and-microvessel-density-in-the-prediction-of-metastasis-and-prognosis-in-colorectal-carcinoma
#9
Bo Zhu, Lei Zhou, Lan Yu, Shiwu Wu, Wenqing Song, Xiaomeng Gong, Danna Wang
BACKGROUND: Metastasis and recurrence are the most common reasons for treatment failure of colorectal carcinoma (CRC). Vasculogenic mimicry (VM, blood supply formation often seen in highly aggressive tumors), Aldehyde dehydrogenase 1 (ALDH1, a biomarker of cancer stem cells), KAI1 (a suppressor gene of tumor metastasis) are all valuable factors for metastasis and prognosis in diverse human cancers. However, the correlation of VM, ALDH1, KAI1 and microvessel density (MVD) in CRC is unclear...
April 21, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28431518/is-adjuvant-chemotherapy-necessary-in-pt1n1-gastric-cancer
#10
Hyun Beak Shin, Ji Yeong An, Seung Hyoung Lee, Yoon Young Choi, Jong Won Kim, Soo Sang Sohn, Sung Hoon Noh
BACKGROUND: Due to a lack of consensus on adjuvant treatments for pT1N1 gastric cancer, surgeons face a dilemma when deciding treatments for patients with pT1N1 gastric cancer after gastrectomy. The objective of this study was to determine survival benefits of adjuvant chemotherapy and risk factors for tumor recurrence in gastric cancer patients with pT1N1. METHODS: Between 1996 and 2010, 510 patients who underwent curative resection for pT1N1 gastric cancer at three institutes were divided into two groups: adjuvant chemotherapy group (N = 150) and surgery-only group (N = 360)...
April 22, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28431392/characterization-of-aurora-a-and-its-impact-on-the-effect-of-cisplatin-based-chemotherapy-in-patients-with-non-small-cell-lung-cancer
#11
Peng Kuang, Zuhua Chen, JiaYuan Wang, Zhentao Liu, Jingyuan Wang, Jing Gao, Lin Shen
BACKGROUND AND OBJECTIVE: Aurora A, as a member of serine/threonine kinase family and a common characteristic of epithelial cancers, plays a critical role in cell mitosis. However, the clinical significance of Aurora A in non-small cell lung cancer (NSCLC) remains undetermined. METHODS: The expression of Aurora A in NSCLC and paired normal adjacent lung tissues was determined by immunohistochemistry, Western blot, and reverse transcriptase polymerase chain reaction...
April 18, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28431328/effects-of-quantum-dots-on-the-ros-amount-of-liver-cancer-stem-cells
#12
Kunmeng Li, Chunhui Xia, Baiqi Wang, Hetao Chen, Tong Wang, Qian He, Hailong Cao, Yu Wang
Liver cancer (LC) is a serious disease that threatens human lives. LC has a high recurrence rate and poor prognosis. LC stem cells (LCSCs) play critical roles in these processes. However, the mechanism remains unclear. Reactive oxygen species (ROS) can be used to determine cell apoptosis and proliferation. However, studies of the effects of exogenous nanomaterials on LCSC ROS changes are rarely reported. In this work, quantum dots (QDs) were prepared using a hydrothermal method, and QDs were further modified with polyethylene glycol (PEG) and bovine serum albumin (BSA) using a chemical approach...
April 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28430808/quantification-of-hypoxia-related-gene-expression-as-a-potential-approach-for-clinical-outcome-prediction-in-breast-cancer
#13
Abderrahim El Guerrab, Anne Cayre, Fabrice Kwiatkowski, Maud Privat, Jean-Marc Rossignol, Fabrice Rossignol, Frédérique Penault-Llorca, Yves-Jean Bignon
Breast cancers are solid tumors frequently characterized by regions with low oxygen concentrations. Cellular adaptations to hypoxia are mainly determined by "hypoxia inducible factors" that mediate transcriptional modifications involved in drug resistance and tumor progression leading to metastasis and relapse occurrence. In this study, we investigated the prognostic value of hypoxia-related gene expression in breast cancer. A systematic review was conducted to select a set of 45 genes involved in hypoxia signaling pathways and breast tumor progression...
2017: PloS One
https://www.readbyqxmd.com/read/28430661/the-role-of-postoperative-radiotherapy-port-in-combined-small-cell-lung-cancer-c-sclc
#14
Yu Men, Yang Luo, Yirui Zhai, Jun Liang, Qinfu Feng, Dongfu Chen, Zefen Xiao, Zongmei Zhou, Zhouguang Hui, Luhua Wang
PURPOSE: To explore the value of radiotherapy in C-SCLC patients, especially in those receiving a radical resection. RESULTS: The differences of survivals between the postoperative radiotherapy (PORT) and non-PORT groups were not statistically significant. But analyzing the benefits in subgroups, PORT significantly improved OS (p = 0.015), DFS (p = 0.026), LRFS (p = 0.008) and DMFS (p = 0.030) in stage III patients. For the patients with N2 stage, all survivals of the PORT group were also statistically significantly higher than non-PORT group (p = 0...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430637/clinical-utility-of-circulating-cell-free-epstein-barr-virus-dna-in-patients-with-gastric-cancer
#15
Katsutoshi Shoda, Daisuke Ichikawa, Yuji Fujita, Kiyoshi Masuda, Hidekazu Hiramoto, Junichi Hamada, Tomohiro Arita, Hirotaka Konishi, Toshiyuki Kosuga, Shuhei Komatsu, Atsushi Shiozaki, Kazuma Okamoto, Issei Imoto, Eigo Otsuji
Recent comprehensive molecular subtyping of gastric cancer (GC) identified Epstein-Barr virus (EBV)-positive tumors as a subtype with distinct salient molecular and clinical features. In this study, we aimed to determine the potential utility of circulating cell-free EBV DNA as a biomarker for the detection and/or monitoring of therapeutic response in patients with EBV-associated gastric carcinoma (EBVaGC). The EBV genes-to-ribonuclease P RNA component H1 ratios (EBV ratios) in the GC tumors and plasma samples were determined by quantitative real-time polymerase chain reaction in 153 patients with GC, including 14 patients with EBVaGC diagnosed by the conventional method...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429950/-can-robotic-rectal-cancer-surgery-improve-quality-of-total-mesorectal-excision
#16
D Langer, I Tučková, J Kalvach, M Ryska
INTRODUCTION: The introduction of total mesorectal excision (TME) in the 1980s was pivotal in the surgical treatment for rectal carcinoma (RC). Routinely applied TME led to a significant reduction in the incidence of local recurrences. The purpose of our paper is to present the results of our non-randomized study comparing prospectively acquired data from radical resection / rectal extirpation using classic open access, laparoscopy and da Vinci robotic system. METHOD: The study group included 116 patients with RC who underwent radical surgical treatment between 1/2014-12/2016, after which the collected resection specimens were assessed in pathology laboratories of the referring hospital using the Quirkes protocol...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28429674/targeting-the-role-of-lipoprotein-a-in-stroke
#17
Mahdi Garelnabi, Zahra Mazhar, Andrew Hughes
Stroke is the third leading cause of death in the United States, behind only heart disease and cancer, with over 140,000 associated deaths per year. Considerable research is ongoing to examine the role of modifiable risk factors which may cause or contribute to a stroke occurring. Although age and family history are generally considered to be major risk factors, there are several modifiable and non-modifiable risk factors that are linked to the pathogenesis of a stroke. Lipoprotein (a), or Lp(a), is a type of low-density lipoprotein containing an integral apoB100 component with an attached ApoA1 isoform via a disulfide linkage...
April 21, 2017: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/28429653/clinical-development-of-fenretinide-as-an-antineoplastic-drug-pharmacology-perspectives
#18
Jason P Cooper, C Patrick Reynolds, Hwangeui Cho, Min H Kang
Fenretinide (4-HPR) is a synthetic retinoid that has cytotoxic activity against cancer cells. Despite substantial in vitro cytotoxicity, response rates in early clinical trials with 4-HPR have been less than anticipated, likely due to the low bioavailability of the initial oral capsule formulation. Several clinical studies have shown that the oral capsule formulation at maximum tolerated dose (MTD) achieved <10 µmol/L concentrations in patients. To improve bioavailability of 4-HPR, new oral powder (LYM-X-SORB®, LXS) and intravenous lipid emulsion (ILE) formulations are being tested in early-phase clinical trials...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28429652/atypical-regulators-of-wnt-%C3%AE-catenin-signaling-as-potential-therapeutic-targets-in-hepatocellular-carcinoma
#19
Jianxiang Chen, Muthukumar Rajasekaran, Kam M Hui
Hepatocellular carcinoma is one of the most common causes of cancer-related death worldwide. Hepatocellular carcinoma development depends on the inhibition and activation of multiple vital pathways, including the Wnt signaling pathway. The Wnt/β-catenin pathway lies at the center of various signaling pathways that regulate embryonic development, tissue homeostasis and cancers. Activation of the Wnt/β-catenin pathway has been observed frequently in hepatocellular carcinoma. However, activating mutations in β-catenin, Axin and Adenomatous Polyposis Coli only contribute to a portion of the Wnt signaling hyper-activation observed in hepatocellular carcinoma...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28429466/psychosocial-outcomes-in-active-treatment-through-survivorship
#20
Sarah C Reed, Janice F Bell, Robin Whitney, Rebecca Lash, Katherine K Kim, Richard J Bold, Jill G Joseph
OBJECTIVE: To understand potential differences in psychosocial outcomes from active treatment to survivorship. METHODS: Using the Medical Expenditure Panel Survey Experiences with Cancer Survivorship Supplement (n = 1,360) we examined and compared psychosocial outcomes among respondents in active treatment with survivors by year(s) since treatment ended. Survey-weighted regression models were used to test associations between year(s) since treatment and depressive symptoms (PHQ-2), psychological distress (K-6) and cancer-specific worry related to recurrence...
April 20, 2017: Psycho-oncology
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