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Comparative oncology

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https://www.readbyqxmd.com/read/29049856/is-left-upper-lobectomy-always-worthwhile-for-early-stage-lung-cancer-a-comparison-between-left-upper-lobectomy-trisegmentectomy-and-lingulectomy
#1
Vittorio Aprile, Pietro Bertoglio, Paolo Dini, Gerardo Palmiero, Alfredo Mussi, Marcello Carlo Ambrogi, Marco Lucchi
BACKGROUND AND OBJECTIVES: Lobectomy is the gold standard treatment for resectable Non-Small Cell Lung Cancer (NSCLC). We compared oncological outcomes of patients undergoing a "multi-segmentectomy" (trisegmentectomy or lingulectomy) and left upper lobectomy for early stage (T1-2, N0) NSCLC of the left upper lobe. METHODS: We retrospectively analyzed all patients with pathological early stage (T1-T2 N0) NSCLC located in left upper lobe who underwent a lobectomy, a trisegmentectomy, or a lingulectomy between 2006 and 2013, focusing on surgical and oncological outcomes...
October 19, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29049611/association-of-a-prophylactic-surgical-approach-to-stage-iv-small-intestinal-neuroendocrine-tumors-with-survival
#2
Kosmas Daskalakis, Andreas Karakatsanis, Ola Hessman, Heather C Stuart, Staffan Welin, Eva Tiensuu Janson, Kjell Öberg, Per Hellman, Olov Norlén, Peter Stålberg
Importance: Primary tumor resection and mesenteric lymph node dissection in asymptomatic patients with stage IV small intestinal neuroendocrine tumors (SI-NETs) are controversial. Objective: To determine the association of locoregional surgery (LRS) performed at diagnosis with outcomes in patients with asymptomatic SI-NETs and distant metastases. Design, Setting, and Participants: This cohort study included asymptomatic patients with stage IV SI-NETs diagnosed from January 1, 1985, through December 31, 2015, and identified using the prospective database of SI-NETs from Uppsala University Hospital, Uppsala, Sweden...
October 19, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29049517/-job-lock-among-long-term-survivors-of-childhood-cancer-a-report-from-the-childhood-cancer-survivor-study
#3
Anne C Kirchhoff, Ryan Nipp, Echo L Warner, Karen Kuhlthau, Wendy M Leisenring, Karen Donelan, Julia Rabin, Giselle K Perez, Kevin C Oeffinger, Paul C Nathan, Leslie L Robison, Gregory T Armstrong, Elyse R Park
Importance: Childhood cancer survivors may be reluctant to make changes in their employment because of access to health insurance. Objective: To examine the prevalence of "job lock" (staying at a job to keep work-related health insurance) in a sample drawn from an established, multi-institutional cohort of full-time employed childhood cancer survivors compared with a random sample of siblings and to explore factors associated with job lock among cancer survivors...
October 19, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29048993/personalized-risk-prediction-in-clinical-oncology-research-applications-and-practical-issues-using-survival-trees-and-random-forests
#4
Chen Hu, Jon Arni Steingrimsson
A crucial component of making individualized treatment decisions is to accurately predict each patient's disease risk. In clinical oncology, disease risks are often measured through time-to-event data, such as overall survival and progression/recurrence-free survival, and are often subject to censoring. Risk prediction models based on recursive partitioning methods are becoming increasingly popular largely due to their ability to handle nonlinear relationships, higher-order interactions, and/or high-dimensional covariates...
October 19, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/29047203/engineered-cross-reacting-nanobodies-simplify-comparative-oncology-between-humans-and-dogs
#5
E Mazzega, A de Marco
Antibodies cross-reacting with homologue antigens in different species would be essential reagents for the development of comparative oncology studies. In comparison with conventional immunoglobulin Gs, recombinant nanobodies (single-domain variable regions of heavy-chain only antibodies of Camelidae origin) can be easily isolated in vitro and engineered into a variety of reagents with optimized characteristics for different research and clinical applications. We recovered an anti-human epidermal growth factor receptor 2 (anti-HER2) nanobody from a naïve llama library by direct panning on whole cells and expressed it fused to Fc and green fluorescent protein...
October 18, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29047108/clinicopathologic-characteristics-and-outcomes-of-transformed-diffuse-large-b-cell-lymphoma-in-hepatitis-c-virus-infected-patients
#6
Jeff Hosry, Roberto N Miranda, Felipe Samaniego, Minas P Economides, Harrys A Torres
Hepatitis C virus (HCV) causes a chronic but curable infection associated with the development of marginal zone lymphoma (MZL) and diffuse large B-cell lymphoma (DLBCL). Preliminary data have shown frequent transformation of indolent lymphoma to DLBCL in HCV-infected patients. To compare their clinicopathologic characteristics and oncologic outcomes, we reviewed the medical records and pathology reports of HCV-infected and uninfected patients with DLBCL that transformed from indolent lymphoma seen at The University of Texas MD Anderson Cancer Center (June 2004-May 2015)...
October 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29046165/long-term-use-of-nimotuzumab-in-combination-with-intensity-modulated-radiotherapy-and-chemotherapy-in-the-treatment-of-locoregionally-advanced-nasopharyngeal-carcinoma-experience-of-a-single-institution
#7
Wang Fangzheng, Jiang Chuner, Ye Zhiming, Liu Tongxin, Yan Fengqin, Wang Lei, Li Bin, Hu Fujun, Chen Ming, Qin Weifeng, Fu Zhenfu
In this retrospective review of a single institution's experience, the efficacy and safety of the long-term use of nimotuzumab in combination with intensity-modulated radiotherapy (IMRT) and chemotherapy in the treatment of locally advanced nasopharyngeal carcinoma (NPC) were studied. Between August 2008 and March 2014, 39 newly diagnosed patients with stage III–IV NPC were treated with IMRT, chemotherapy, and nimotuzumab. Twenty patients were diagnosed with stage III (51.3%), 14 with stage IVA (35.9%), and 5 with stage IVB (12...
October 18, 2017: Oncology Research
https://www.readbyqxmd.com/read/29045536/the-warburg-effect-persistence-of-stem-cell-metabolism-in-cancers-as-a-failure-of-differentiation
#8
M Riester, Q Xu, A Moreira, J Zheng, F Michor, R J Downey
BACKGROUND: Two recent observations regarding the Warburg effect are that (i) the metabolism of stem cells is constitutive ('aerobic') glycolysis while normal cellular differentiation involves a transition to oxidative phosphorylation and (ii) the degree of glucose uptake of a malignancy as imaged by 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) is associated with histologic measures of tumor differentiation. Combining these observations, we hypothesized that the high levels of glucose uptake observed in poorly differentiated cancers may reflect persistence of the glycolytic metabolism of stem cells in malignant cells that fail to fully differentiate...
October 13, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29045525/clinical-benefit-of-systemic-treatment-in-patients-with-advanced-pancreatic-and-gastro-intestinal-neuroendocrine-tumours-according-to-esmo-mcbs-and-asco-framework
#9
L D de Hosson, L M van Veenendaal, Y Schuller, W T Zandee, W W de Herder, M E T Tesselaar, H J Klümpen, A M E Walenkamp
BackgroundAssessment of clinical benefit of systemic treatments of rare diseases including gastroenteropancreatic neuroendocrine tumors (GEP-NET) is challenging. Recently several tools have been developed to grade clinical benefit of cancer drugs. European Society for Medical Oncology (ESMO) has developed the ESMO Magnitude of Clinical Benefit Scale (ESMO-MCBS). The American Society of Clinical Oncology (ASCO) developed and revised the ASCO framework consisting of the Net Health Benefit (NHB) score juxtaposed against the costs of the treatment...
September 26, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29044883/clinical-benefit-and-residual-kidney-function-of-en-bloc-nephrectomy-for-perirenal-retroperitoneal-sarcoma
#10
Chan Woo Cho, Kyo Won Lee, Hyojun Park, Hyung Joon Kim, Jae Berm Park, Yoon-La Choi, Jeong Il Yu, Su Jin Lee, Dong Il Choi, Sung Joo Kim
AIM: The purpose of this study was to evaluate the efficacy of en bloc nephrectomy for perirenal retroperitoneal sarcoma (RPS) with respect to postoperative kidney function and oncological benefits. METHODS: We performed a comparative study of 114 patients undergoing surgery for primary RPS, classifying cases as nephrectomy (NPX, n = 65) versus no nephrectomy (no-NPX, n = 49). The Δ and % change between preoperative and postoperative estimated glomerulus filtration rate (eGFR) were analyzed to compare renal function changes after surgery...
October 18, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29044605/amputations-for-extremity-soft-tissue-sarcoma-in-an-era-of-limb-salvage-treatment-local-control-and-survival
#11
Marc G Stevenson, Annelie H Musters, Jan H B Geertzen, Barbara L van Leeuwen, Harald J Hoekstra, Lukas B Been
BACKGROUND: Despite multimodality limb salvage treatment (LST) for locally advanced extremity soft tissue sarcoma (ESTS), some patients still need an amputation. Indications for amputation and oncological outcome for these patients are described. METHODS: Between 1996 and 2016, all patients who underwent an amputation for ESTS were included. Patients who underwent an amputation as primary or as non-primary treatment formed Group I and II, respectively. RESULTS: Thirty-nine patients were included, 16 in Group I (41%) and 23 in Group II (59%)...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29044538/laparoscopic-versus-open-surgery-for-rectal-cancer-after-neoadjuvant-chemoradiation-long-term-outcomes-of-a-propensity-score-matched-study
#12
Ramakrishnan Ayloor Seshadri, Rajaraman Swaminathan, Ayyappan Srinivasan
BACKGROUND AND OBJECTIVES: Laparoscopic resection for rectal cancer has short-term benefits when compared to open resection. The aim of this study was to compare the long-term oncological outcomes of laparoscopic and open resection for rectal cancer following neoadjuvant chemoradiation (NCRT). METHODS: In this propensity matched study, a series of 72 patients who underwent laparoscopic surgery for rectal cancer following NCRT between 2004 and 2010 (Lap group) were matched with 72 patients who underwent open surgery for rectal cancer in the same period (Open group)...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29044531/mesenchymal-chondrosarcoma-a-japanese-musculoskeletal-oncology-group-jmog-study-on-57-patients
#13
Yusuke Tsuda, Koichi Ogura, Michiyuki Hakozaki, Kazutaka Kikuta, Keisuke Ae, Hiroyuki Tsuchiya, Shintaro Iwata, Takafumi Ueda, Hirotaka Kawano, Akira Kawai
BACKGROUND: This study aimed to elucidate the clinical features and prognostic factors of mesenchymal chondrosarcoma (MCS) and investigate optimal treatment strategies. METHODS: Data from 57 patients with MCS were collected from a Japanese Musculoskeletal Oncology Group (JMOG) and retrospectively analyzed. RESULTS: Data from 29 males and 28 females were collected. Primary tumor sites were the head and neck (7 patients), trunk (35 patients), and extremities (15 patients)...
May 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29043881/characterization-of-the-mutational-profile-of-11-diffuse-large-b-cell-lymphoma-cell-lines
#14
Darius Juskevicius, Anne Müller, Hind Hashwah, Pontus Lundberg, Alexandar Tzankov, Thomas Menter
Investigation of cancer cell lines is important for oncology research to characterize and understand mechanisms of cellular signaling and survival strategies in cancer. We analyzed the mutational profile of 11 diffuse large B-cell lymphoma (DLBCL) cell lines using a customized high throughput sequencing panel. We compared our data to previously published mutation data to better characterize these cell lines and establish consensus on the mutational status of some functionally relevant genes. With our targeted sequencing approach we detected 61 somatic mutations...
October 18, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29040676/dysbindin-promotes-progression-of-pancreatic-ductal-adenocarcinoma-via-direct-activation-of-pi3k
#15
Cheng Fang, Xin Guo, Xing Lv, Ruozhe Yin, Xiaohui Lv, Fengsong Wang, Jun Zhao, Xuebiao Yao, Yong Chen
Pancreatic ductal adenocarcinoma (PDAC) represents a biggest challenge in clinic oncology due to its invasiveness and lack of targeted therapeutics. Our recent study showed that schizophrenia susceptibility factor dysbindin exhibited significant higher level in serum of PDAC patients. However, the functional relevance of dysbindin in PDAC is still unclear. Here, we show that dysbindin promotes tumor growth both in vitro and in vivo by accelerating the G1/S phase transition in cell cycle via PI3K/AKT signaling pathway...
October 6, 2017: Journal of Molecular Cell Biology
https://www.readbyqxmd.com/read/29040189/the-patient-and-observer-scar-assessment-scale-to-evaluate-the-cosmetic-outcomes-of-the-robotic-single-site-hysterectomy-in-endometrial-cancer
#16
Giacomo Corrado, Gloria Calagna, Giuseppe Cutillo, Salvatore Insinga, Emanuela Mancini, Ermelinda Baiocco, Ashanti Zampa, Arabella Bufalo, Antonio Perino, Enrico Vizza
OBJECTIVE: The objective of this study was to evaluate the cosmetic outcome of robotic single-site hysterectomy (RSSH) in early-stage endometrial cancer. METHODS: We prospectively collected patient demographics, operative times, complications, pathologic results, and length of stay on all patients who underwent RSSH for early-stage endometrial cancer. The Patient and Observer Scar Assessment Scale (POSAS) was used for the evaluation of the cosmetic outcome. RESULTS: Forty-five patients were included in our study from January 2012 to October 2015...
October 17, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29039988/the-intraoperative-use-of-polydioxanone-foil-to-reduce-the-risk-of-sino-orbital-fistula-formation-in-orbital-exenteration
#17
Aws Al-Hity, Maria Elena Gregory, Ewan G Kemp
BACKGROUND: Orbital exenteration is a radical surgical procedure resulting in deformity. It involves removal of the globe, optic nerve, extra-ocular muscles, orbital fat, lacrimal gland, and peri-osteum. Sino-orbital fistula (SOF) formation is a common documented post-operative complication, usually connecting the orbit and the ethmoid sinus. SOFs can cause leaks of serous fluid, and act as an entry site for pathogens into the orbit leading to socket infection and breakdown. METHODS: This retrospective study analyzed exenterations performed over a 22-year period (1993-2015) at the National Ocular Oncology Service Centre for Scotland...
October 17, 2017: Orbit
https://www.readbyqxmd.com/read/29039987/a-propensity-score-based-analysis-of-laparoscopic-liver-resection-for-liver-malignancies-in-elderly-patients
#18
Amr Badawy, Satoru Seo, Rei Toda, Hiroaki Fuji, Ken Fukumitsu, Takamichi Ishii, Kojiro Taura, Toshimi Kaido, Shinji Uemoto
PURPOSE: Laparoscopic liver resection is safe, feasible and associated with less blood loss, shorter hospital stays and fewer postoperative complications in the working age patients with malignant liver tumors. However, it is still unclear if the elderly patients with malignant liver tumors would also benefit from that approach as the younger patients. So, the aim of the study was to compare the clinical outcomes of laparoscopic versus open liver resection for malignant liver tumors in elderly patients...
October 17, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29039894/ureteral-orifice-involvement-by-urothelial-carcinoma-long-term-oncologic-and-functional-outcomes
#19
Muammer Altok, Ali F Sahin, Mehmet I Gokce, Gokhan R Ekin, Rauf Taner Divrik
PURPOSE: Bladder cancer (BC) may involve the ureteral orifice, and the resection of the orifice has oncological and functional consequences such as development of upper tract urothelial carcinoma (UTUC), vesicoureteral reflux or ureteral stenosis. The aim of this study was to investigate the oncological and functional outcomes of the ureteral orifice resection in BC patients and determine the predictive factors for UTUC development. MATERIALS AND METHODS: A total of 1359 patients diagnosed with BC, between 1992 and 2012, were reviewed retrospectively...
October 17, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29038964/surgical-and-oncological-outcomes-after-complete-mesocolic-excision-in-right-sided-colon-cancer-compared-with-conventional-surgery-a-retrospective-single-institution-study
#20
Tommaso Zurleni, Alberto Cassiano, Elson Gjoni, Andrea Ballabio, Giovanni Serio, Luca Marzoli, Francesco Zurleni
PURPOSE: The aim of the study was whether complete mesocolic excision (CME) with central vascular ligation (CVL) is associated with a survival benefit compared with traditional procedure in right-sided colon cancer. METHODS: Overall, 251 consecutive patients underwent surgery for right colon cancer between 2007 and 2012. After exclusion, 95 subjects received non-CME surgery before 2010, and 97 subjects received CME surgery after January 2010, when we started to perform CME systematically...
October 16, 2017: International Journal of Colorectal Disease
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