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https://www.readbyqxmd.com/read/28938679/association-of-immunologic-markers-from-complete-blood-counts-with-the-response-to-preoperative-chemoradiotherapy-and-prognosis-in-locally-advanced-rectal-cancer
#1
Sung Woo Jung, In Ja Park, Se Heon Oh, Seung-Seop Yeom, Jong Lyul Lee, Yong Sik Yoon, Chan Wook Kim, Seok-Byung Lim, Jung Bok Lee, Chang Sik Yu, Jin Cheon Kim
We investigated retrospectively whether immunologic markers from a complete blood count (CBC) are associated with the responsiveness to preoperative chemoradiotherapy (PCRT) and oncologic outcomes in 984 patients with locally advanced rectal cancer (LARC) who also underwent radical surgery from 2005 to 2013. CBC parameters including the neutrophil to lymphocyte ratio (NLR), lymphocyte to monocyte ratio (LMR), and platelet to lymphocyte ratio (PLR) were recorded. Pathologic responses to PCRT were evaluated in the resected specimens using the tumor regression grade system...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938662/meta-analysis-of-the-association-between-the-inflammatory-potential-of-diet-and-colorectal-cancer-risk
#2
Yu Fan, Xin Jin, Changfeng Man, Zhenjun Gao, Xiaoyan Wang
OBJECTIVES: The inflammatory potential of diet has been inconsistently linked to colorectal cancer (CRC) risk. This meta-analysis aimed to evaluate the association of the inflammatory potential of diet, as estimated by the dietary inflammatory index (DII) score, with CRC risk. MATERIALS AND METHODS: The PubMed and Embase databases were searched for relevant studies from inception to February 2017. All cohort and case-control studies investigating the association of the DII score with CRC risk were selected...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938581/targeting-progastrin-enhances-radiosensitization-of-colorectal-cancer-cells
#3
Aline Kowalski-Chauvel, Valerie Gouaze-Andersson, Alix Vignolle-Vidoni, Caroline Delmas, Christine Toulas, Elizabeth Cohen-Jonathan-Moyal, Catherine Seva
A high percentage of advanced rectal cancers are resistant to radiation. Therefore, increasing the efficacy of radiotherapy by targeting factors involved in radioresistance seems to be an attractive strategy. Here we demonstrated that the pro-hormone progastrin (PG), known to be over-expressed in CRC, and recognized as a pro-oncogenic factor, is a radioresistance factor that can be targeted to sensitize resistant rectal cancers to radiations. First, we observed an increase in PG mRNA expression under irradiation...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938543/predictive-clinical-model-of-tumor-response-after-chemoradiation-in-rectal-cancer
#4
Marisa D Santos, Cristina Silva, Anabela Rocha, Carlos Nogueira, Fernando Castro-Poças, António Araujo, Eduarda Matos, Carina Pereira, Rui Medeiros, Carlos Lopes
Survival improvement in rectal cancer treated with neoadjuvant chemoradiotherapy (nCRT) is achieved only if pathological response occurs. Mandard tumor regression grade (TRG) proved to be a valid system to measure nCRT response. The ability to predict tumor response before treatment may significantly have impact the selection of patients for nCRT in rectal cancer. The aim is to identify potential predictive pretreatment factors for Mandard response and build a clinical predictive model design. 167 patients with locally advanced rectal cancer were treated with nCRT and curative surgery...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938268/surgical-and-survival-outcomes-following-pelvic-exenteration-for-locally-advanced-primary-rectal-cancer-results-from-an-international-collaboration
#5
(no author information available yet)
OBJECTIVE: The aim of the study was to analyze data from an international collaboration, and ascertain prognostic indicators that inform clinical decision-making and practices regarding the role of pelvic exenteration for locally advanced primary rectal cancer (LARC). BACKGROUND: With improved national screening programs fewer patients present with LARC. Despite this, select cohorts of patients require pelvic exenteration. To date, the majority of outcome data are from single-center series...
September 21, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28937723/nrg-gi002-moving-the-needle-toward-tnt-in-locally-advanced-rectal-cancer
#6
Thomas J George, Christina Wu, Y Nancy You
No abstract text is available yet for this article.
October 2016: Bulletin of the American College of Surgeons
https://www.readbyqxmd.com/read/28937269/dose-escalation-using-contact-x-ray-brachytherapy-papillon-for-rectal-cancer-does-it-improve-the-chance-of-organ-preservation
#7
Arthur Sun Myint, Fraser McLean Smith, Simon William Gollins, Helen Wong, Christopher Rao, Karen Whitmarsh, Raj Sripadam, Paul Rooney, Michael Jeremy Hershman, Zsolt Fekete, Kate Perkins, D Mark Pritchard
OBJECTIVE: A watch and wait policy for patients with a complete clinical response (cCR) after external beam chemoradiotherapy (EBCRT) for rectal cancer is an attractive option. However, approximately a third of tumours will regrow, which requires surgical salvage for cure. We assessed whether contact x-ray brachytherapy (CXB) can improve organ preservation by avoiding surgery for local regrowth. METHODS: From our institutional database, we identified 200 of 573 patients treated by CXB from 2003 to 2012...
September 20, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28937195/improving-rectal-cancer-outcomes-through-advocacy-education-and-research-the-ostrich-consortium-and-the-new-naprc
#8
John R T Monson, David W Dietz, Judy C Boughey, Y Nancy You
No abstract text is available yet for this article.
November 2016: Bulletin of the American College of Surgeons
https://www.readbyqxmd.com/read/28936881/quality-indicators-in-pediatric-colonoscopy-an-australian-tertiary-center-experience
#9
H K Singh, G D Withers, L C Ee
OBJECTIVES: Quality indicators for colonoscopy in adults are largely driven by colorectal cancer screening, and include cecal intubation rates, with rates of >90% recommended. In contrast, colorectal cancer is rare in childhood, with paucity of data on relevant quality indicators for pediatric colonoscopy. It is also unclear whether high rates of cecal intubation are achievable in small children. Our aim was to audit all colonoscopies performed in a tertiary pediatric center to examine clinical indications for procedure, completeness of examination with cecal and ileal intubation, significant findings, and complications...
September 22, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28935353/oncologic-significance-of-para-aortic-lymph-node-and-inferior-mesenteric-lymph-node-metastasis-in-sigmoid-and-rectal-adenocarcinoma
#10
Seung Hyung Lee, Jong Lyul Lee, Chan Wook Kim, Han Il Lee, Chang Sik Yu, Jin Cheon Kim
BACKGROUND: Recurrence patterns or survival in colorectal cancer patients might differ according to inferior mesenteric lymph node (IMLN) metastasis. However, few studies have compared para-aortic lymph node (PALN) metastasis and IMLN metastasis. The aim of the current study is to identify survival and recurrence patterns in patients with sigmoid colon and rectal adenocarcinoma with either PALN or IMLN metastasis and to evaluate the prognostic significance of PALN and IMLN metastasis...
September 7, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28935022/-report-of-successful-treatment-of-a-rectal-cancer-patient-with-endobronchial-%C3%A2-metastasis-by-bronchial-stent-implantation-combined-with-chemotherapy-and-apatinib
#11
Qiuqi Lin, Ling Ding, Cheng Chen, Yehan Zhu
The lungs are the most common sites of metastases from non-pulmonary malignancies. On the other hand, endobronchial metastases are rare. Various tumors have been associated with endobronchial metastasis, most commonly renal, breast and colorectal cancer. Advanced rectal cancerwith lung metastasis is common. However, endobronchial metastasis without lung metastasis of rectal cancer is rare, and easily misdiagnosed. We report one case of postoperative rectal cancer with endobronchial, pleuralcavity, pericardial cavitymetastasis, giving the comprehensive treatment of bronchial stentimplantation, chemotherapy, targeted drugs and remission...
September 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28934968/comparison-of-volumetric-modulated-arc-therapy-using-simultaneous-integrated-boosts-sib-vmat-of-45%C3%A2-gy-55%C3%A2-gy-in-25-fractions-with-conventional-radiotherapy-in-preoperative-chemoradiation-for-rectal-cancers-a-propensity-score-case-matched-analysis
#12
Hideomi Yamashita, Soichiro Ishihara, Hiroaki Nozawa, Kazushige Kawai, Tomomichi Kiyomatsu, Kae Okuma, Osamu Abe, Toshiaki Watanabe, Keiichi Nakagawa
BACKGROUND AND PURPOSE: The aim of this retrospective study was to compare volumetric-modulated arc therapy using simultaneous integrated boosts (SIB-VMAT) of 45 Gy/55 Gy in 25 fractions with three-dimensional conformal radiotherapy (3D-CRT) in preoperative chemoradiation for rectal cancers. METHODS AND MATERIALS: In the propensity score-matching analysis of 1:2, we selected 60 patients from the SIB-VMAT group and 120patients from the 3D-CRT group matched pairings out of 145 patients between 2005 and 2015...
September 21, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28934761/comparison-between-mri-and-pathology-in-the-assessment-of-tumour-regression-grade-in-rectal-cancer
#13
Francesco Sclafani, Gina Brown, David Cunningham, Andrew Wotherspoon, Larissa Sena Teixeira Mendes, Svetlana Balyasnikova, Jessica Evans, Clare Peckitt, Ruwaida Begum, Diana Tait, Josep Tabernero, Bengt Glimelius, Susana Roselló, Janet Thomas, Jacqui Oates, Ian Chau
BACKGROUND: Limited data exist regarding the correlation between MRI tumour regression grade (mrTRG) and pathological TRG (pTRG) in rectal cancer. METHODS: mrTRG and pTRG were compared in rectal cancer patients from two phase II trials (EXPERT and EXPERT-C). The agreement between radiologist and pathologist was assessed with the weighted κ test while the Kaplan-Meier method was used to estimate survival outcomes. RESULTS: One hundred ninety-one patients were included...
September 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28933973/magnetic-resonance-imaging-in-the-early-detection-of-prostate-cancer-and-review-of-the-literature-on-magnetic-resonance-imaging-stratified-clinical-pathways
#14
Taimur Tariq Shah, Wilson King Lim To, Hashim Uddin Ahmed
With level 1 evidence now available on the diagnostic accuracy of multiparametric magnetic resonance imaging (MRI) we must now utilise this data in developing an MRI-stratified diagnostic pathway for the early detection of prostate cancer. Areas covered: A literature review was conducted and identified seven randomised control trials (RCT's) assessing the diagnostic accuracy of such a pathway against the previously accepted systematic/random trans-rectal ultrasound guided (TRUS) biopsy pathway. The studies were heterogeneous in their design...
September 21, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28933018/-18-f-fluoromisonidazole-pet-in-rectal-cancer
#15
Tanuj Puri, Tessa A Greenhalgh, James M Wilson, Jamie Franklin, Lia Mun Wang, Victoria Strauss, Chris Cunningham, Mike Partridge, Tim Maughan
BACKGROUND: There is an increasing interest in developing predictive biomarkers of tissue hypoxia using functional imaging for personalised radiotherapy in patients with rectal cancer that are considered for neoadjuvant chemoradiotherapy (CRT). The study explores [(18)F]fluoromisonidazole ([(18)F]FMISO) positron emission tomography (PET) scans for predicting clinical response in rectal cancer patients receiving neoadjuvant CRT. METHODS: Patients with biopsy-proven rectal adenocarcinoma were imaged at 0-45 min, 2 and 4 h, at baseline and after 8-10 fractions of CRT (week 2)...
September 20, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28932724/colorectal-perforation-after-anorectal-manometry-for-low-anterior-resection-syndrome
#16
Kyung Ha Lee, Ji Yeon Kim, Young Hoon Sul
We experienced 3 cases of manometry-induced colon perforation. A 75-year-old man (case 1) underwent anorectal manometry (ARM) 3 years after radiotherapy for prostate cancer and a laparoscopic intersphincteric resection for rectal cancer. A 70-year-old man (case 2) underwent ARM 3 months after conventional neoadjuvant chemoradiotherapy and a laparoscopic low anterior resection for rectal cancer. A 78-year-old man (case 3) underwent ARM 2 months after a laparoscopic intersphincteric resection for rectal cancer...
August 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/28932723/anaphase-promoting-complex-7-is-a-prognostic-factor-in-human-colorectal-cancer
#17
Ik Yong Kim, Hye Yeon Kwon, Kwang Hwa Park, Dae Sung Kim
PURPOSE: The anaphase-promoting complex (APC) is a multiprotein complex with E3 ubiquitin ligase activity and is required for ubiquitination of securin and cyclin-B. Several APC-targeting molecules are reported to be oncogenes. Dysregulation of APC may be associated with tumorigenesis. This study examines the relationship between APC expression and clinicopathological factors and evaluates the possibility of an aberrant APC function in colorectal carcinomas (CRCs). METHODS: To determine whether the loss of APC7 expression is related to tumorigenesis, we used tissue micro-arrays in 114 resected CRCs to scrutinize the expressions of APC7 and Ki-67 immunohistochemistry and to find relations with clinocopathologic parameters...
August 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/28932352/novel-technique-of-abdominal-wall-nerve-block-for-laparoscopic-colostomy-rectus-sheath-block-with-transperitoneal-approach
#18
Jun Nagata, Jun Watanabe, Yusuke Sawatsubashi, Masaki Akiyama, Koichi Arase, Noritaka Minagawa, Takayuki Torigoe, Kotaro Hamada, Yoshifumi Nakayama, Keiji Hirata
A 62-year-old man who had acute rectal obstruction due to a large rectal cancer is presented. He underwent emergency laparoscopic colostomy. We used the laparoscopic puncture needle to inject analgesia with the novel transperitoneal approach. In this procedure, both ultrasound and laparoscopic images assisted with the accurate injection of analgesic to the correct layer. The combination of laparoscopic visualization and ultrasound imaging ensured infiltration of analgesic into the correct layer without causing damage to the bowel...
August 27, 2017: World Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28932083/integrating-tyms-kras-and-braf-testing-in-patients-with-metastatic-colorectal-cancer
#19
Anastasios Ntavatzikos, Aris Spathis, Paul Patapis, Nikolaos Machairas, George Peros, Stefanos Konstantoudakis, Danai Leventakou, Ioannis G Panayiotides, Petros Karakitsos, Anna Koumarianou
AIM: To investigate the impact of thymidylate synthase (TYMS), KRAS and BRAF in the survival of metastatic colorectal cancer (mCRC) patients treated with chemotherapy. METHODS: Clinical data were collected retrospectively from records of consecutive patients with mCRC treated with fluoropyrimidine-based chemotherapy from 1/2005 to 1/2007. Formalin-fixed paraffin-embedded tissues were retrieved for analysis. TYMS genotypes were identified with restriction fragment analysis PCR, while KRAS and BRAF mutation status was evaluated using real-time PCR assays...
August 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28931946/comparison-of-perfusion-models-for-quantitative-t1-weighted-dce-mri-of-rectal-cancer
#20
Tanja Gaa, Wiebke Neumann, Sonja Sudarski, Ulrike I Attenberger, Stefan O Schönberg, Lothar R Schad, Frank G Zöllner
In this work, the two compartment exchange model and two compartment uptake model were applied to obtain quantitative perfusion parameters in rectum carcinoma and the results were compared to those obtained by the deconvolution algorithm. Eighteen patients with newly diagnosed rectal carcinoma underwent 3 T MRI of the pelvis including a T1 weighted dynamic contrastenhanced (DCE) protocol before treatment. Mean values for Plasma Flow (PF), Plasma Volume (PV) and Mean Transit Time (MTT) were obtained for all three approaches and visualized in parameter cards...
September 20, 2017: Scientific Reports
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