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https://www.readbyqxmd.com/read/28938543/predictive-clinical-model-of-tumor-response-after-chemoradiation-in-rectal-cancer
#1
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
#2
(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/28934761/comparison-between-mri-and-pathology-in-the-assessment-of-tumour-regression-grade-in-rectal-cancer
#3
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/28933018/-18-f-fluoromisonidazole-pet-in-rectal-cancer
#4
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
#5
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/28931184/-modern-interdisciplinary-management-of-a-uretero-iliac-artery-fistula-case-report
#6
D Benedix, F Meyer, F Fischbach, A Janitzky, Z Halloul
Introduction Abnormal links between the arterial system and other luminal systems are a challenge to those in charge of their adequate diagnostic and therapeutic management. Objective Scientific case report on an individual who underwent successful treatment combining vascular-surgical and interventional radiology techniques for a rare right uretero-iliac artery fistula based on personal clinical experience, a selective literature research and a detailed discussion of current recommendations for diagnostic workup and subsequent treatment...
September 20, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28928864/high-immunoreactivity-of-duox2-is-associated-with-poor-response-to-preoperative-chemoradiation-therapy-and-worse-prognosis-in-rectal-cancers
#7
Shih-Chun Lin, I-Wei Chang, Pei-Ling Hsieh, Ching-Yih Lin, Ding-Ping Sun, Ming-Jen Sheu, Ching-Chieh Yang, Li-Ching Lin, Hong-Lin He, Yu-Feng Tian
Purpose: Colorectal cancer is the third most common cancer and also the fourth most common cause of cancer mortality worldwide. For rectal cancer, neoadjuvant concurrent chemoradiotherapy (CCRT) followed by radical proctectomy is gold standard treatment for patients with stage II/III rectal cancer. By data mining a documented database of rectal cancer transcriptome (GSE35452) from Gene Expression Omnibus, National Center of Biotechnology Information, we recognized that DUOX2 was the most significantly up-regulated transcript among those related to cytokine and chemokine mediated signaling pathway (GO:0019221)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28918544/tumor-regression-grading-of-gastrointestinal-cancers-after-neoadjuvant-therapy
#8
REVIEW
Rupert Langer, Karen Becker
Neoadjuvant therapy has been successfully introduced in the treatment of locally advanced gastrointestinal malignancies, particularly esophageal, gastric, and rectal cancers. The effects of preoperative chemo- or radiochemotherapy can be determined by histopathological investigation of the resection specimen following this treatment. Frequent histological findings after neoadjuvant therapy include various amounts of residual tumor, inflammation, resorptive changes with infiltrates of foamy histiocytes, foreign body reactions, and scarry fibrosis...
September 16, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28916945/simvastatin-enhances-radiation-sensitivity-of-colorectal-cancer-cells
#9
Georgios Karagkounis, Jennifer DeVecchio, Sylvain Ferrandon, Matthew F Kalady
INTRODUCTION: Neoadjuvant chemoradiation (CRT) for rectal cancer induces variable responses, and better response has been associated with improved oncologic outcomes. Our group has previously shown that the administration of HMG-CoA reductase inhibitors, commonly known as statins, is associated with improved response to neoadjuvant CRT in rectal cancer patients. The purpose of this study was to study the effects of simvastatin on colorectal cancer cells and explore its potential as a radiation-sensitizer in vitro...
September 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28912413/-a-case-of-alcoholic-liver-disease-presenting-as-prominent-accumulation-of-ascites-associated-with-liver-damage-due-to-capeox
#10
Yoshikuni Yonenaga, Marika Nio, Yoshihiro Yata, Shunichi Higashide
A 75-year-old man with rectal cancer had consumed an average of6 6 g of alcohol per day for 47 years. However, his liver function was within normal limits and his Child-Pugh classification was A before initiation of therapy. He underwent neoadjuvant chemoradiation and a low anterior resection. The patient then received CapeOX as an adjuvant therapy. During the fourth cycle of CapeOX, computed tomography(CT)showed massive ascites. The chemotherapy was discontinued and treatment including a diuretic agent was initiated...
September 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28911071/prediction-of-pathological-response-to-neoadjuvant-treatment-in-rectal-cancer-with-a-two-protein-immunohistochemical-score-derived-from-stromal-gene-profiling
#11
S Gonçalves-Ribeiro, R Sanz-Pamplona, A Vidal, X Sanjuan, N Guillen Díaz-Maroto, A Soriano, J Guardiola, N Albert, M Martínez-Villacampa, I López, C Santos, J Serra-Musach, R Salazar, G Capellà, A Villanueva, D G Molleví
Background: Preoperative chemoradiotherapy followed by surgical mesorectal resection is the standard of care for locally advanced rectal carcinomas. Yet, predicting that patients will respond to treatment remains an unmet clinical challenge. Experimental design: Using laser-capture microdissection we isolated RNA from stroma and tumour glands from prospective pre-treatment samples (n = 15). Transcriptomic profiles were obtained hybridising PrimeView Affymetrix arrays...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28900999/-study-on-the-relationship-between-tumor-regression-grade-and-lymph-node-regression-grade
#12
Quanquan Zhao, Chuangang Fu, Enda Yu, Wei Zhang, Ronggui Meng, Hantao Wang, Liqiang Hao, Hao Wang
OBJECTIVE: To investigate the relationship between tumor regression grade (TRG) and lymph node regression grade (LRG) after neoadjuvant chemoradiotherapy (CRT) for rectal cancer and its clinical implication. METHODS: Clinicopathological data of 176 rectal cancer patients undergoing radical excision after neoadjuvant CRT from January 2005 to December 2013 in our department were retrospectively analyzed. INCLUSION CRITERIA: (1) Radiology indicated locally advanced low rectal cancer and patients had strong desire to preserve the sphincter before neoadjuvant CRT; (2) there was no definite metastatic lesion before neoadjuvant CRT; (3) patients received whole course of neoadjuvant CRT (regular radiotherapy plus synchronous fluorouracil-like drugs chemotherapy); (4) patients underwent radical operation after neoadjuvant CRT...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28900885/erratum-to-one-level-step-section-histological-analysis-is-insufficient-to-confirm-complete-pathological-response-after-neoadjuvant-chemoradiation-for-rectal-cancer
#13
M A Pereira, A R Dias, S F Faraj, C S R Nahas, A R Imperiale, C F S Marques, G C Cotti, B C Azevedo, S C Nahas, E S de Mello, U Ribeiro
Unfortunately, one of the author name was wrongly published in the original publication. The complete correct name should read as follows "Beatriz Camargo Azevedo". The original article was updated.
September 13, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28900855/accuracy-of-various-lymph-node-staging-criteria-in-rectal-cancer-with-magnetic-resonance-imaging
#14
Jörn Gröne, Florian N Loch, Matthias Taupitz, C Schmidt, Martin E Kreis
INTRODUCTION: The accuracy of pretherapeutic staging of lymph nodes (LN) in rectal cancer by MR imaging (MRI) is still limited. The aim of the study was to determine the sensitivity and specificity of different morphological criteria in nodal staging. MATERIAL AND METHODS: LN were analyzed by MRI in 60 patients with rectal cancer and primary surgery. Signs of LN metastasis (cN+) were spiculated/indistinct border contour, inhomogeneous signal intensity, or LN size...
September 12, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28900473/resection-of-rectal-gist-using-a-novel-technique-a-report-of-two-cases
#15
Osama Eldamshety, Islam H Metwally, Elsayed Ghoneem, Wagdi F Elkashef
Rectal gastrointestinal stromal tumours (GISTs) are uncommon tumours and usually present with large sizes. We present two cases of rectal GIST. Imatinib was used in the setting of neoadjuvant and adjuvant therapy. Both tumours were resected transanally by the transanal endoscopic operation (TEO) platform. Oncosurgeons are recommended to implement sphincter-sparing surgeries for these cases.
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28891848/adjuvant-chemotherapy-after-preoperative-chemoradiation-improves-survival-in-patients-with-locally-advanced-rectal-cancer
#16
Zhifei Sun, Brian Gilmore, Mohamed A Adam, Jina Kim, Shiao-Wen D Hsu, John Migaly, Christopher R Mantyh
BACKGROUND: Practice guidelines differ in their support of adjuvant chemotherapy use in patients who received preoperative chemoradiation for rectal cancer. OBJECTIVE: The purpose of this study was to evaluate the impact of adjuvant chemotherapy among patients with locally advanced rectal cancer who received neoadjuvant chemoradiation and surgery. DESIGN: This was a retrospective study. Multivariable Cox proportional hazard modeling was used to evaluate the adjusted survival differences...
October 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28890829/a-rare-case-of-primary-rectal-squamous-cell-carcinoma-diagnosed-by-endoscopic-ultrasound
#17
Amirali Kiyani, Walter J Coyle, Fei Bao
Primary squamous cell carcinoma (SCC) of the rectum is a very rare entity making up to 0.1-0.25/1,000 cases of all colorectal cancers. Here, we present the case of an otherwise healthy 63-year-old female who presented with progressive pelvic discomfort, new onset constipation and a complex mass in presacral region on imaging which was proved to be poorly differentiated SCC of the rectum. The correct diagnosis was achieved by fine needle aspiration (FNA) via endoscopic ultrasound (EUS-guided FNA) as initial conventional colonoscopy failed to establish the diagnosis...
August 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28890815/the-role-of-neoadjuvant-radiotherapy-for-locally-advanced-rectal-cancer-with-resectable-synchronous-metastasis
#18
Croix C Fossum, Jasim Y Alabbad, Lindsay B Romak, Christopher L Hallemeier, Michael G Haddock, Marianne Huebner, Eric J Dozois, David W Larson
BACKGROUND: Although neoadjuvant radiotherapy is typically administered for locally-advanced rectal cancer to reduce local recurrence (LR), its role for patients who present with synchronous resectable liver and/or lung metastasis is not well defined. The aim of this study was to evaluate the role of neoadjuvant radiotherapy for patients with stage IV rectal cancer undergoing curative-intent surgery. METHODS: This study is a retrospective review of a prospectively maintained surgical registry of all consecutive adult patients who underwent curative-intent resection at Mayo Clinic in Rochester, MN, from January 1990 until December 2014 with a median follow-up time of 43 (IQR 16-67) months...
August 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28890055/resected-irradiated-rectal-cancers-are-twelve-lymph-nodes-really-necessary-in-the-era-of-neoadjuvant-therapy
#19
Morgan L Cox, Mohamed A Adam, Mithun M Shenoi, Megan C Turner, Zhifei Sun, Christopher R Mantyh, John Migaly
BACKGROUND: Our study aims to identify the minimum number of lymph nodes (LN) associated with improved survival in patients who underwent NRT for stage II-III rectal cancer. METHODS: Adults with clinical stage II and III rectal adenocarcinoma in the National Cancer Data Base were stratified by NRT. Multivariable Cox regression modeling with restricted cubic splines was used to determine the minimum number of LNs associated with improved survival. RESULTS: Of 38,363 patients, 76% received NRT...
August 26, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28888798/impact-of-body-mass-index-on-treatment-outcome-of-neoadjuvant-chemoradiotherapy-in-locally-advanced-rectal-cancer
#20
REVIEW
Y Sun, Z Xu, H Lin, X Lu, Y Huang, S Huang, X Wang, P Chi
AIM: To determine the effect of obesity, measured by body mass index (BMI), on tumor response and surgical outcome in patients with locally advanced rectal cancer (LARC) undergoing neoadjuvant chemoradiotherapy (nCRT) and radical surgery. METHOD: LARC patients undergoing nCRT and radical surgery from 2008 to 2014 were included and divided into three groups: non-obese (BMI < 25.0 kg/m(2)), obese I (BMI 25.0-29.9 kg/m(2)), and obese II (BMI ≥ 30.0 kg/m(2))...
August 10, 2017: European Journal of Surgical Oncology
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