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https://www.readbyqxmd.com/read/28644558/current-understanding-of-cancer-stem-cells-review-of-their-radiobiology-and-role-in-head-and-neck-cancers
#1
REVIEW
Paul Ambrose Reid, Puthenparampil Wilson, Yanrui Li, Loredana Gabriela Marcu, Eva Bezak
Evidence of cancer cells that bear attributes analogous to those of normal stem cells has developed a hierarchical model of cancer's architecture and progression. This subset of cancer stem cells (CSCs) drives the progression and therapy resistance of cancers. Research to identify the phenotypes of these CSCs presents evidence of a subpopulation that is more resistant to therapy and may proliferate in response. Literature shows that CSCs typically represent around 1%-10% of cell populations in head and neck cancer but this proportion may increase in response to a therapeutic radiation dose...
June 23, 2017: Head & Neck
https://www.readbyqxmd.com/read/28643738/five-versus-ten-fractions-per-week-radiotherapy-in-locally-advanced-head-and-neck-cancer
#2
Ramanjis Viranna Tallari, O P Singh, Veenita Yogi, Suresh Yadav
INTRODUCTION: Conventional fractionated radiotherapy (CFRT) is in use since a long time, but the invention of altered fractionation such as hyperfractionation has improved survival in head and neck squamous cell cancer (HNSCC). AIMS: Our aim of this prospective randomized study is to compare conventional 5 fractions per week (CFRT) with hyperfractionation 10 fractions per week (hyperfractionated radiotherapy [HFRT]) in locally advanced head and neck cancer. PATIENTS AND METHODS: The study period is from November 2013 to April 2015...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643307/-application-of-magnetic-resonance-in-non-operative-treatment-strategy-for-rectal-cancer
#3
Yi Wang, Gong Chen
The primary curative modality for localized rectal cancer is total mesorectal excision (TME). Local control rate of rectal cancer has been improved after neoadjuvant chemoradiotherapy and even pathological complete response (pCR) has been demonstrated in a significant minority. Patients who achieve pCR to neoadjuvant chemoradiotherapy have an excellent prognosis compared with those without pCR. If the patients with complete response to neoadjuvant chemoradiation can be demonstrated by clinical findings and medical imaging (cCR), a non-operative management (NOM) strategy may be pursued to preserve sphincter function and avoid complications induced by TME, which is a new tendency in the treatment of rectal cancer in recent years...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643151/multi-institutional-external-validation-of-a-novel-glioblastoma-prognostic-nomogram-incorporating-mgmt-methylation
#4
Jason K Molitoris, Yuan James Rao, Rajal A Patel, Liam T Kane, Shahed N Badiyan, Haley Gittleman, Jill S Barnholtz-Sloan, Soren M Bentzen, Tim J Kruser, Jiayi Huang, Minesh P Mehta
A recent nomogram for glioblastoma (GBM) was designed to incorporate methylguanine-DNA methyltransferase (MGMT) methylation status in trial patients receiving temozolomide. Since clinical trial patients are strictly selected, compared to the general population, we performed a multi-institutional, external, independent assessment of the nomogram. Consecutive adult patients with supratentorial GBM diagnosed between June 2007 and December 2014 who initiated TMZ-based concurrent chemoradiotherapy (CRT) and were not enrolled on RTOG 0525 or 0825 were eligible...
June 22, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28642025/total-laparoscopic-resection-surgery-for-a-cervical-carcinoma-that%C3%A2-recurred-in-the-pelvic-sidewall-after-radical-hysterectomy-and%C3%A2-adjuvant-concurrent-chemoradiotherapy
#5
Hiroyuki Kanao, Yoichi Aoki, Kazuyoshi Kato, Maki Matoda, Sanshiro Okamoto, Hidetaka Nomura, Kohei Omatsu, Kuniko Utsugi, Nobuhiro Takeshima
STUDY OBJECTIVE: To show total laparoscopic resection of a cervical carcinoma that recurred at the left pelvic sidewall after radical hysterectomy and concurrent chemoradiotherapy (CCRT). DESIGN: A step-by-step demonstration of the technique in a surgical video, including the strategy for achieving complete surgical resection with negative margins (R0 resection) (Canadian Task Force Classification III). SETTING: For high-risk cervical carcinoma, radical hysterectomy and adjuvant CCRT is the standard treatment, but even this multimodal therapy cannot prevent recurrence...
June 19, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28642008/concurrent-once-daily-versus-twice-daily-chemoradiotherapy-in-patients-with-limited-stage-small-cell-lung-cancer-convert-an-open-label-phase-3-randomised-superiority-trial
#6
Corinne Faivre-Finn, Michael Snee, Linda Ashcroft, Wiebke Appel, Fabrice Barlesi, Adityanarayan Bhatnagar, Andrea Bezjak, Felipe Cardenal, Pierre Fournel, Susan Harden, Cecile Le Pechoux, Rhona McMenemin, Nazia Mohammed, Mary O'Brien, Jason Pantarotto, Veerle Surmont, Jan P Van Meerbeeck, Penella J Woll, Paul Lorigan, Fiona Blackhall
BACKGROUND: Concurrent chemoradiotherapy is the standard of care in limited-stage small-cell lung cancer, but the optimal radiotherapy schedule and dose remains controversial. The aim of this study was to establish a standard chemoradiotherapy treatment regimen in limited-stage small-cell lung cancer. METHODS: The CONVERT trial was an open-label, phase 3, randomised superiority trial. We enrolled adult patients (aged ≥18 years) who had cytologically or histologically confirmed limited-stage small-cell lung cancer, Eastern Cooperative Oncology Group performance status of 0-2, and adequate pulmonary function...
June 19, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28638791/magnetic-resonance-imaging-for-diagnosis-and-neoadjuvant-treatment-evaluation-in-locally-advanced-rectal-cancer-a-pictorial-review
#7
REVIEW
Gulgun Engin, Rasul Sharifov
High-resolution pelvic magnetic resonance imaging (MRI) is the primary method for staging rectal cancer. MRI is highly accurate in the primary staging of rectal cancer; however, it has not proven to be effective in re-staging, especially in complete response evaluation after neoadjuvant therapy. Neoadjuvant chemoradiotherapy produces many changes in rectal tumors and on adjacent area, as a result, local tumor extent may not be accurately determined. However, adding diffusion-weighted sequences to the standard approach can improve diagnostic accuracy...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28638456/temozolomide-and-bevacizumab-induction-before-chemoradiotherapy-in-patients-with-bulky-glioblastoma-and-or-with-severe-neurological-impairment
#8
Ilan Darmon, Mony Chenda Morisse, Alexandre Coutte, Marie Blonski, Emilie Le Rhun, Luc Taillandier, Diana Bello Roufai, Christine Desenclos, Stéphanie Trudel, Jean-Christophe Faivre, Nicolas Blanchard, Bruno Chauffert, Mathieu Boone
Background. New approaches are needed for patients newly diagnosed with bulky glioblastoma (GB) and/or with severe neurological impairment that cannot benefit from first line temozolomide (TMZ)-based chemoradiotherapy. Bevacizumab (BEV), an antiangiogenic anti-VEGF-R monoclonal antibody, has a rapid impact on tumor-related brain edema in recurrent GB. The present study reports the feasibility and efficacy of an induction treatment with TMZ and BEV to alleviate the initial neurological impairment and/or to reduce the tumor volume before a delayed chemoradiotherapy...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28638446/overexpression-of-transcobalamin-1-is-an-independent-negative-prognosticator-in-rectal-cancers-receiving-concurrent-chemoradiotherapy
#9
Yi-Ying Lee, Yu-Ching Wei, Yu-Feng Tian, Ding-Ping Sun, Ming-Jen Sheu, Ching-Chieh Yang, Li-Ching Lin, Chen-Yi Lin, Chung-Hsi Hsing, Wan-Shan Li, Chien-Feng Li, Pei-Ling Hsieh, Ching-Yih Lin
Objective: Neoadjuvant concurrent chemoradiotherapy (CCRT) is an increasingly common therapeutic strategy for locally advanced rectal cancer, but stratification of risk and final outcomes remain a major challenge. Transcobalamin 1 (TCN1), a vitamin B12 (cobalamin)-binding protein, regulates cobalamin homeostasis. High expression of TCN1 have been reported in neoplasms such as breast cancer and hepatocellular carcinoma. However, little is known about the relevance of TCN1 to rectal cancer receiving CCRT. This study examined the predictive and prognostic impact of TCN1 expression in patients with rectal cancer following neoadjuvant CCRT...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28638336/emphysematous-pyelonephritis-and-cystitis-unusual-adverse-events-during-concurrent-chemoradiotherapy-for-lung-cancer
#10
Tetsuya Yokoyama, Seiji Shinozaki, Hidenobu Arimura, Keita Nakatomi, Hiroshi Wataya
Various adverse events can occur during antineoplastic therapy. A 67-year-old diabetic woman developed an emphysematous urinary tract infection (UTI) associated with chemoradiotherapy for lung cancer. She had received weekly carboplatin plus paclitaxel with thoracic radiotherapy and developed a fever on day 19. Computed tomography showed a large quantity of gas within the urinary tract. She was therefore diagnosed with emphysematous UTI. Poor diabetes control due to the weekly administration of dexamethasone, an existing urinary tract obstruction, and bone marrow suppression were involved in her serious infection...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28637039/different-impacts-of-preoperative-radiotherapy-and-chemoradiotherapy-on-oncological-outcomes-in-patients-with-stages-ii-and-iii-lower-rectal-cancer-a-propensity-score-analysis
#11
Hirotoshi Takiyama, Kazushige Kawai, Soichiro Ishihara, Koji Yasuda, Kensuke Otani, Takeshi Nishikawa, Toshiaki Tanaka, Tomomichi Kiyomatsu, Keisuke Hata, Hiroaki Nozawa, Teppei Morikawa, Toshiaki Watanabe
BACKGROUND/AIMS: The neoadjuvant therapy for locally advanced rectal cancer has been changed from radiotherapy (RT) to chemoradiotherapy (CRT). This study is aimed at evaluating the benefit of CRT in patients with stage II or III lower rectal cancer, with regard to the impact on recurrence. METHODS: A total of 474 patients with clinical stage II or III lower rectal cancer who received either preoperative RT (n = 221) or CRT (n = 253) followed by total mesorectal excision were identified from our institutional database...
June 21, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28635994/oral-field-cancerization-history-and-future-perspectives
#12
A Gabusi, L Morandi, S Asioli, M P Foschini
Notwithstanding extended surgical approaches or adjuvant chemoradiotherapy, the development of multiple neoplastic lesions arising in the oral cavity after treatment still represents a critical clinical challenge in the management of patients with oral squamous cell carcinoma. Such clinical behavior of oral squamous cell carcinoma is nowadays better known as "field" cancerization effect as suggested by Slaughter, the author that for the first time tried to describe it in a scientific paper. Field cancerization is now widely accepted not only in head and neck oncology but also in other anatomical districts as well as in different types of epithelial neoplasia...
March 2017: Pathologica
https://www.readbyqxmd.com/read/28635312/predictors-of-adherence-to-aerobic-exercise-in-rectal-cancer-patients-during-and-after-neoadjuvant-chemoradiotherapy
#13
Andria R Morielli, Normand G Boulé, Nawaid Usmani, Kurian Joseph, Keith Tankel, Diane Severin, Kerry S Courneya
This pilot study explored predictors of adherence to exercise during and after neoadjuvant chemoradiotherapy (NACRT) in rectal cancer patients. Eighteen rectal cancer patients were prescribed three supervised aerobic exercise sessions/week during NACRT followed by ≥150 min/week of unsupervised aerobic exercise after NACRT. Although not statistically significant, adherence to supervised exercise during NACRT was meaningfully better for patients who were women (d = .82; P = .12), younger (d = -.62; P = ...
June 21, 2017: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/28633587/sarcomatoid-carcinoma-manifesting-as-recurrent-rectal-cancer-and-mimicking-radiation-induced-extraskeletal-osteosarcoma-a-case-report
#14
MiJo Lee, Hyun-Jin Son, Je-Ho Jang, Hyun-Young Han, Moon Hyang Park
Here, we report an unusual case of sarcomatoid carcinoma mimicking extraskeletal osteosarcoma that manifested as recurrent rectal cancer. Five years earlier, a 76-year-old male patient had undergone neoadjuvant chemoradiotherapy followed by a laparoscopic low anterior resection due to adenocarcinoma of the rectum. He was admitted because of pain in the anus and left hip. He underwent abdominal computed tomography that revealed a newly developed left perirectal mass with gluteus maximus invasion measuring up to 8 cm, and therefore, an abdominoperineal resection was performed...
June 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28631842/uk-consensus-statement-on-the-use-of-plerixafor-to-facilitate-autologous-peripheral-blood-stem-cell-collection-to-support-high-dose-chemoradiotherapy-for-patients-with-malignancy
#15
Kenneth W Douglas, Maria Gilleece, Patrick Hayden, Hannah Hunter, Peter R E Johnson, Charlotte Kallmeyer, Ram K Malladi, Shankara Paneesha, Rachel Pawson, Michael Quinn, Kavita Raj, Deborah Richardson, Stephen Robinson, Nigel Russell, John Snowden, Anna Sureda, Eleni Tholouli, Kirsty Thomson, Mike Watts, Keith M Wilson
Plerixafor is a CXC chemokine receptor (CXCR4) antagonist that mobilizes stem cells in the peripheral blood. It is indicated (in combination with granulocyte-colony stimulating factor [G-CSF]) to enhance the harvest of adequate quantities of cluster differentiation (CD) 34+ cells for autologous transplantation in patients with lymphoma or multiple myeloma whose cells mobilize poorly. Strategies for use include delayed re-mobilization after a failed mobilization attempt with G-CSF, and rescue or pre-emptive mobilization in patients in whom mobilization with G-CSF is likely to fail...
June 20, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28629896/randomized-phase-ii-study-of-preoperative-chemoradiotherapy-panitumumab-followed-by-consolidation-chemotherapy-in-potentially-operable-locally-advanced-stage-iiia-n2-non-small-cell-lung-cancer-nrg-oncology-rtog-0839
#16
Martin J Edelman, Chen Hu, Quynh-Thu Le, Jessica S Donington, Warren D D'Souza, Adam P Dicker, Billy W Loo, Elizabeth M Gore, Gregory M M Videtic, Nathaniel R Evans, Joseph W Leach, Maximilian Diehn, Steven J Feigenberg, Yuhchyau Chen, Rebecca Paulus, Jeffrey D Bradley
INTRODUCTION: Multimodality therapy has curative potential in locally advanced non-small cell lung cancer (LASCLC). Mediastinal nodal sterilization (MNS) after induction chemoradiotherapy (CRT) can serve as an intermediate marker for efficacy. NRG Oncology RTOG 0229 demonstrated the feasibility and efficacy of combining full dose radiation (61.2Gy) with chemotherapy followed by resection and chemotherapy. Based upon that experience and evidence that epidermal growth factor receptor (EGFR) antibodies are radiosensitizing, we explored adding panitumumab to CRT followed by resection and consolidation chemotherapy in LANSCLC with a primary endpoint of MNS...
June 16, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28628910/the-efficacy-of-trimodal-chemoradiotherapy-with-cisplatin-as-a-bladder-preserving-strategy-for-the-treatment-of-muscle-invasive-bladder-cancer
#17
Kazuhiro Nagao, Takahiko Hara, Jun Nishijima, Kosuke Shimizu, Nakanori Fujii, Keita Kobayashi, Yoshihisa Kawai, Ryo Inoue, Yoshiaki Yamamoto, Hiroaki Matsumoto, Hideyasu Matsuyama
INTRODUCTION: Open radical cystectomy (ORC) is currently the standard treatment for muscle-invasive bladder cancer (MIBC) without metastasis, while many patients with MIBC are not always appropriate candidates due to multiple comorbidities. To evaluate the bladder-preservation strategy, we compared the results with those obtained by ORC. PATIENTS AND METHODS: We retrospectively analyzed the data of 50 patients with MIBC treated by trimodal chemoradiotherapy with cisplatin (CDDP-radiation [CDDP-R])...
June 21, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28628843/preoperative-chemotherapy-versus-chemoradiotherapy-in%C3%A2-locally-advanced-adenocarcinomas-of-the-oesophagogastric-junction-poet-long-term-results-of%C3%A2-a-controlled-randomised-trial
#18
Michael Stahl, Martin K Walz, Jorge Riera-Knorrenschild, Martin Stuschke, Andreas Sandermann, Michael Bitzer, Hansjochen Wilke, Wilfried Budach
BACKGROUND: Results of the PreOperative therapy in Esophagogastric adenocarcinoma Trial (POET) showed some benefits when including radiotherapy into the preoperative treatment. This article is reporting long-term results of this phase III study. PATIENTS AND METHODS: Patients with locally advanced adenocarcinomas of the oesophagogastric junction (Siewert types I-III) were eligible. Randomisation was done to chemotherapy (group A) or induction chemotherapy and chemoradiotherapy (CRT; group B) followed by surgery...
June 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28628563/recurrence-risk-stratification-after-preoperative-chemoradiation-of-esophageal-adenocarcinoma
#19
Mian Xi, Christopher L Hallemeier, Kenneth W Merrell, Zhongxing Liao, Mariela A Blum Murphy, Linus Ho, Wayne L Hofstetter, Reza Mehran, Jeffrey H Lee, Manoop S Bhutani, Brian Weston, Dipen M Maru, Ritsuko Komaki, Jaffer A Ajani, Steven H Lin
OBJECTIVE: To discern recurrence risk stratification and investigate its influence on postoperative surveillance in patients with esophageal adenocarcinoma (EAC) after neoadjuvant chemoradiotherapy (CRT). BACKGROUND: Reports documenting recurrence risk stratification in EAC after neoadjuvant CRT are scarce. METHODS: Between 1998 and 2014, 601 patients with EAC who underwent neoadjuvant CRT followed by esophagectomy were included for analysis...
June 16, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28628507/patient-reported-outcomes-following-neoadjuvant-chemotherapy-or-chemoradiotherapy-treatment-for-esophageal-cancer-a-scoping-review-protocol
#20
Camilla Trenerry, Micah D J Peters, Nadia Corsini, Raechel A Damarell, Carlene Wilson, Ingrid Flight
The objective of this scoping review is to identify, describe and compare studies investigating patient-reported outcomes (PROs) in esophageal cancer patients following neoadjuvant (preoperative) chemotherapy (CT) and surgery or neoadjuvant chemoradiotherapy (CRT) and surgery.After preliminary searching of the literature and consultation with experts in the fields of esophageal cancer surgery, behavioral science, information systems and scoping review methodology, the following research objectives were defined as follows...
June 2017: JBI Database of Systematic Reviews and Implementation Reports
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