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Comparative oncology

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https://www.readbyqxmd.com/read/29913254/patient-reported-outcomes-in-nrg-oncology-rtog-0938-evaluating-two-ultrahypofractionated-regimens-for-prostate-cancer
#1
Himanshu R Lukka, Stephanie L Pugh, Deborah W Bruner, Jean-Paul Bahary, Colleen A F Lawton, Jason A Efstathiou, Rajat J Kudchadker, Lee E Ponsky, Samantha A Seaward, Ian S Dayes, Darindra D Gopaul, Jeff M Michalski, Guila Delouya, Irving D Kaplan, Eric M Horwitz, Mack Roach, Wayne H Pinover, David C Beyer, John O Amanie, Howard M Sandler, Lisa A Kachnic
BACKGROUND: There is considerable interest in very short (ultrahypofractionated) radiotherapy regimens to treat prostate cancer based on potential radiobiological advantages, patient convenience and resource allocation benefits. OBJECTIVE: To demonstrate that detectable changes in health related quality of life measured by the bowel and urinary domains of the Expanded Prostate Cancer Index Composite (EPIC-50) were not substantially worse than baseline. DESIGN, SETTING, AND PARTICIPANTS: XXXX is a non-blinded randomized phase II study of NCCN low risk prostate cancer where each arm is compared to a historical control...
June 15, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29912766/clinical-utility-of-fluorescence-in-situ-hybridization-fish-for-deletion-of-chromosome-3p-in-the-work-up-of-renal-masses
#2
Carmen M Perrino, Jason A Orien, Jason G Tretter, Weiqiang Zhao, Debra L Zynger
Chromosome 3p deletion is a well-established genetic aberration in clear cell renal cell carcinoma (RCC). We aimed to evaluate the clinical utility of 3p fluorescence in situ hybridization (FISH) on formalin-fixed paraffin-embedded tissue in surgical pathology specimens. 3p:3q <0.8 was established as the cut-off for 3p loss. The 2015 Medicare allowable billing rates were used to estimate the cost. Over 2.5 years (2013 to 2015), 3p FISH was performed on 18 cases per year. Among tested cases, 70% (30/43) were nephrectomies and 30% (14/43) metastases...
June 15, 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29912592/breast-cancer-during-pregnancy-results-of-maternal-and-perinatal-outcomes-in-a-single-institution-and-systematic-review-of-the-literature
#3
Natalia R Gomez-Hidalgo, Elsa Mendizabal, Laura Joigneau, Pilar Pintado, Juan De Leon-Luis
To compare the maternal and the perinatal variables of the patients with pregnancy associated breast cancer (PABC) and the pregnant patients without breast cancer (PNABC), we retrospectively included 13 PABC cases and 66.265 PNABC patients. The PABC patients presented a lower mean gestational age at their delivery and had higher induction of labour and prematurity rates. A diagnosis was performed before stage III in 77% of the cases. The overall survival was 90%; moreover, we collected 16 manuscripts when gathering data from 1581 patients with PABC...
June 18, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29912434/evidence-based-optimization-of-post-treatment-surveillance-for-skull-base-chordomas-based-on-local-and-distant-disease-progression
#4
Jacob L Freeman, Ascher B Kaufmann, Richard G Everson, Franco DeMonte, Shaan M Raza
BACKGROUND: There are no guidelines regarding post-treatment surveillance specific to skull base chordomas. OBJECTIVE: To determine an optimal imaging surveillance schedule to detect both local and distant metastatic skull base chordoma recurrences. METHODS: A retrospective review of 91 patients who underwent treatment for skull base chordoma between 1993 and 2017 was conducted. Time to and location of local and distant recurrence(s) were cataloged...
April 18, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29912374/luteal-phase-anovulatory-follicles-result-in-the-production-of-competent-oocytes-intra-patient-paired-case-control-study-comparing-follicular-versus-luteal-phase-stimulations-in-the-same-ovarian-cycle
#5
Danilo Cimadomo, Alberto Vaiarelli, Silvia Colamaria, Elisabetta Trabucco, Carlo Alviggi, Roberta Venturella, Erminia Alviggi, Ramona Carmelo, Laura Rienzi, Filippo Maria Ubaldi
STUDY QUESTION: Are the mean numbers of blastocysts obtained from sibling cohorts of oocytes recruited after follicular phase and luteal phase stimulations (FPS and LPS) in the same ovarian cycle similar? SUMMARY ANSWER: The cohorts of oocytes obtained after LPS are larger than their paired-FPS-derived cohorts and show a comparable competence, thus resulting in a larger mean number of blastocysts. WHAT IS KNOWN ALREADY: Three theories of follicle recruitment have been postulated to date: (i) the 'continuous recruitment' theory, (ii) the 'single recruitment episode' theory and (iii) the 'wave' theory...
June 15, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29912004/clinical-and-molecular-recursive-partitioning-analysis-of-high-grade-glioma-treated-with-imrt
#6
Philip Sutera, Ronny Kalash, John Flickinger, Johnathan Engh, Dwight E Heron
INTRODUCTION: Despite multimodal treatment for high-grade gliomas, prognosis remains grim. Prior Radiation Therapy Oncology Group-Recursive Partitioning Analysis (RTOG-RPA) reports indicate based on pretreatment and treatment-related factors, a subset of patients experience a significantly improved survival. Since the development of the RTOG-RPA, high-grade gliomas have seen the widespread introduction of temozolomide and tumor oncogenetics. Here we aimed to determine whether the RTOG-RPA retained prognostic significance in the context of modern treatment, as well as generate an updated RPA incorporating both clinical and genetic variables...
June 14, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29911400/periprocedural-outcome-after-laparoscopic-partial-nephrectomy-versus-radiofrequency-ablation-for-t1-renal-tumors-a-modified-r-e-n-a-l-nephrometry-score-adjusted-comparison
#7
Vanessa Acosta Ruiz, Sam Ladjevardi, Einar Brekkan, Michael Häggman, Maria Lönnemark, Lisa Wernroth, Anders Magnusson
Background Comparable oncological outcomes have been seen after surgical nephrectomy and thermal ablation of renal tumors recently. However, periprocedural outcome needs to be assessed for aiding treatment decision. Purpose To compare efficacy rates and periprocedural outcome (technical success, session time, hospitalization time, and complications) after renal tumor treatment with laparoscopic partial nephrectomy (LPN) or radiofrequency ablation (RFA). Material and Methods The initial experience with 49 (treated with LPN) and 84 (treated with RFA) consecutive patients for a single renal tumor (diameter ≤ 5 cm, limited to the kidney) during 2007-2014 was evaluated...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29911246/circulating-serum-oncologic-mirna-in-pediatric-juvenile-pilocytic-astrocytoma-patients-predicts-mural-nodule-volume
#8
Markus Bookland, Min Tang-Schomer, Eileen Gillan, Antonina Kolmakova
BACKGROUND: Juvenile pilocytic astrocytomas represent the largest group of pediatric brain tumors. The ideal management for these tumors is early, total surgical resection. To detect and track treatment response, a screening tool is needed to identify patients for surgical evaluation and assess the quality of treatment. The identification of aberrant miRNA profiles in the sera of juvenile pilocytic astrocytoma patients could provide such a screening tool. METHODS: The authors reviewed the serum profiles of 84 oncologically relevant miRNAs in pediatric juvenile pilocytic astrocytoma patients via qPCR screening...
June 18, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29910061/potential-impact-of-pd-l1-sp-142-immunohistochemical-heterogeneity-in-clear-cell-renal-cell-carcinoma-immunotherapy
#9
José I López, Rafael Pulido, Jesús M Cortés, Javier C Angulo, Charles H Lawrie
Intratumor heterogeneity (ITH) detection remains a challenge in modern oncology because it can have a direct impact on the success of new therapies. Anti-PD-1/PD-L1 immunotherapy is an emerging treatment modality that is showing great promise for clear cell renal cell carcinoma (CCRCC) patients with advanced disease. Patient selection for such therapy relies upon the immunohistochemical detection of PD-1/PD-L1, however the degree of ITH for these markers among tumor cells and/or inflammatory mononuclear infiltrates remains unknown...
June 12, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29909895/magnitude-of-benefit-for-adjuvant-radiotherapy-following-minimally-invasive-surgery-in-intermediate-to-high-risk-hpv-positive-oropharyngeal-squamous-cell-carcinoma
#10
Dario Pasalic, Ryan K Funk, Joaquín J García, Daniel L Price, Katharine A Price, William S Harmsen, Samir H Patel, Geoffrey D Young, Robert L Foote, Eric J Moore, Daniel J Ma
OBJECTIVE: To determine the outcomes and toxicities of minimally-invasive surgery with adjuvant intensity-modulated radiotherapy +/- chemotherapy (AT) compared to definitive surgical therapy (ST) in a contemporary cohort of HPV-positive oropharyngeal squamous cell carcinoma (OPSCC). METHODS: From 2005 to 2013, a consecutive cohort of 190 HPV-positive OPSCC patients was retrospectively reviewed from multi-institutional databases maintained by the Departments of Otorhinolaryngology and Radiation Oncology...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909893/impact-of-radical-treatments-on-survival-in-locally-advanced-t4a-and-t4b-buccal-mucosa-cancers-selected-surgically-treated-t4b-cancers-have-similar-control-rates-as-t4a
#11
Manish D Mair, Noopur Sawarkar, Santosh Nikam, Rajiv Sarin, Deepa Nair, Tejpal Gupta, Pankaj Chaturvedi, Anil D'cruz, Sudhir Nair
INTRODUCTION: In the absence of any robust data supporting the TNM classification of T4 buccal mucosa cancers, we did this prospective study to compare the oncologic outcomes of T4a and T4b buccal mucosa cancer patients. PATIENTS AND METHODS: This is a prospective study of 210 treatment naïve T4 buccal mucosa cancer patients. All patients underwent upfront radical surgery followed by adjuvant radiotherapy (RT)/chemoradiotherapy (CCRT). This is the largest prospective series in the literature on T4 buccal cancers...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909890/obturators-versus-flaps-after-maxillary-oncological-ablation-a-systematic-review-and-best-evidence-synthesis
#12
REVIEW
Yubin Cao, Changhao Yu, Wei Liu, Cheng Miao, Bo Han, Jianong Yang, Longjiang Li, Chunjie Li
Maxillary defects can be resolved by prosthetic obturation, autologous tissue reconstruction, or a combination of both. However, there is still controversy in the selection of the optimal approach. Therefore, the aim of this study was to systematically review evidences comparing the performance of obturators and flaps in patients after maxillary oncological ablation. Both electronic and manual searching approaches were conducted to identify eligible evidence. Two reviewers independently assessed the risk of bias...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909887/smoking-impact-on-hpv-driven-head-and-neck-cancer-s-oncological-outcomes
#13
Haitham Mirghani, Charlotte Leroy, Younes Chekourry, Odile Casiraghi, Anne Aupérin, Yungan Tao, France Nguyen, Even Caroline, Ingrid Breuskin, Antoine Moya Plana, Dana Hartl, François Janot, Stéphane Temam, Philippe Gorphe, Pierre Blanchard
INTRODUCTION: HPV-driven oropharyngeal cancer (OPC) patients have a better prognosis than their HPV-negative counterparts but several studies have suggested that among HPV-positive patients those with a smoking history had worse oncological outcomes. The aim of our study is to characterize the interplay between tobacco consumption, patient and disease characteristics, and disease control. MATERIALS AND METHODS: All patients diagnosed with HPV-driven OPC and treated with curative intent between 2007 and 2009 and 2011-2016 at Gustave Roussy cancer center were included (n = 282)...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29908898/oncologic-safety-of-skin-sparing-mastectomy-followed-by-immediate-reconstruction-in-young-patients-with-breast-cancer
#14
Sae Byul Lee, Jong Won Lee, Byung Ho Son, Jin Sup Eom, Eun Key Kim, Taik Jong Lee, Sei-Hyun Ahn
BACKGROUNDS: This study aimed to compare the oncologic outcomes of nipple-sparing mastectomy (NSM)/skin-sparing mastectomy (SSM) followed by immediate reconstruction with those of conventional mastectomy (CM) in young patients aged under 35 years old with breast cancer. METHODS: We analyzed retrospectively 2889 patients who underwent mastectomy for breast cancer at Asan Medical Center from January 2003 to December 2008. We compared NSM/SSM followed by immediate reconstruction with CM in patients under 35 years old by analyzing clinicopathologic features, breast cancer specific survival rate (BCSS), distant metastasis free survival rate (DMFS), and local recurrence rate (LRR)...
June 13, 2018: Asian Journal of Surgery
https://www.readbyqxmd.com/read/29908787/objective-evaluation-of-a-didactic-curriculum-for-the-radiation-oncology-medical-student-clerkship
#15
Daniel W Golden, Gregory E Kauffmann, Ryan P McKillip, Jeanne M Farnan, Yoon Soo Park, Alan Schwartz
PURPOSE: A structured didactic radiation oncology clerkship curriculum for medical students is in use at multiple academic medical centers. Objective evidence supporting this educational approach over the traditional clerkship model is lacking. This study evaluated the curriculum efficacy using an objective knowledge assessment. METHODS AND MATERIALS: Medical students received the Radiation Oncology Education Collaborative Study Group (ROECSG) curriculum consisting of 3 lectures (Overview of Radiation Oncology, Radiation Biology/Physics, and Practical Aspects of Simulation/Radiation Emergencies) and a radiation oncology treatment-planning workshop...
April 26, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29908339/radical-hysterectomy-efficacy-and-safety-in-the-dawn-of-minimally-invasive-techniques
#16
Antonio Gil-Moreno, Melchor Carbonell-Socias, Sabina Salicrú, Cristina Centeno-Mediavilla, Silvia Franco-Camps, Eva Colas, Ana Oaknin, Assumpció Pérez-Benavente, Berta Díaz-Feijoo
STUDY OBJECTIVE: To analyze the effect that the introduction of minimally invasive procedures has had on surgical and oncological outcomes when compared with conventional open radical hysterectomy (ORH) in a national reference cancer after 17 years of experience in radical hysterectomy (RH). DESIGN: A prospective controlled study (Canadian Task Force II-2) SETTING: A university teaching hospital PATIENTS: All patients that underwent RH as primary treatment for cervical cancer in our institution between May 1999 and June 2016, with a total of 188 patients...
June 13, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29908338/surgical-and-oncologic-outcomes-of-radical-abdominal-trachelectomy-versus-hysterectomy-for-stage-ia2-ib1-cervical-cancer
#17
Jing Guo, Ying Zhang, Xiaofei Chen, Lin Sun, Kai Chen, Xiugui Sheng
STUDY OBJECTIVE: To compare the surgical and oncologic outcomes between radical abdominal trachelectomy and radical hysterectomy (RH) for stage IA2-IB1 cervical cancer. DESIGN: Ⅱ-2: : Retrospective cohort study. SETTING: Shandong Cancer Hospital. PATIENTS: 329 patients with IA2-IB1 cervical cancer. INTERVENTIONS: All patients underwent radical abdominal trachelectomy (ART) or RH. MEASUREMENTS AND MAIN RESULTS: All patients were divided into ART (n=143) and RH (n=186) group according to surgical approach...
June 13, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29908123/cold-atmospheric-plasma-treatment-inhibits-growth-in-colorectal-cancer-cells
#18
Christin Schneider, Stephanie Arndt, Julia L Zimmermann, Yangfang Li, Sigrid Karrer, Anja-Katrin Bosserhoff
Plasma oncology is a relatively new field of research. Recent developments have indicated that cold atmospheric plasma (CAP) technology is an interesting new therapeutic approach to cancer treatment. In this study, p53 wildtype (LoVo) and human p53 mutated (HT29 and SW480) colorectal cancer cells were treated with the miniFlatPlaSter - a device particularly developed for the treatment of tumor cells - that uses the Surface Micro Discharge (SMD) technology for plasma production in air. The present study analyzed the effects of plasma on colorectal cancer cells in vitro and on normal colon tissue ex vivo...
June 1, 2018: Biological Chemistry
https://www.readbyqxmd.com/read/29907553/development-and-evaluation-of-an-ethical-guideline-for-decisions-to-limit-life-prolonging-treatment-in-advanced-cancer-protocol-for-a-monocentric-mixed-method-interventional-study
#19
Katsiaryna Laryionava, Katja Mehlis, Elena Bierwirth, Friederike Mumm, Wolfgang Hiddemann, Pia Heußner, Eva C Winkler
BACKGROUND: Many patients with advanced cancer receive chemotherapy close to death and are referred too late to palliative or hospice care, and therefore die under therapy or in intensive care units. Oncologists still have difficulties in involving patients appropriately in decisions about limiting tumor-specific or life-prolonging treatment. OBJECTIVE: The aim of this Ethics Policy for Advanced Care Planning and Limiting Treatment Study is to develop an ethical guideline for end-of-life decisions and to evaluate the impact of this guideline on clinical practice regarding the following target goals: reduction of decisional conflicts, improvement of documentation transparency and traceability, reduction of distress of the caregiver team, and better knowledge and consideration of patients' preferences...
June 15, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29907503/real-time-management-of-incident-learning-reports-in-a-radiation-oncology-department
#20
REVIEW
Jean L Wright, Arti Parekh, Byung-Han Rhieu, Valentina Opris, Annette Souranis, Amanda Choflet, Akila N Viswanathan, Theodore L DeWeese, Todd McNutt, Stephanie A Terezakis
PURPOSE: The optimal approach to managing incident learning system (ILS) reports remains unclear. Here, we describe our experience with prospective coding of events reported to the ILS with comparisons of risk scores on the basis of event type and process map location. METHODS AND MATERIALS: Reported events were coded by type, origin, and method of discovery. Events were given a risk priority number (RPN) and near-miss risk index (NMRI) score. We compared workflow versus near-miss events with respect to origin and detection in the process map and by risk scores...
May 8, 2018: Practical Radiation Oncology
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