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https://www.readbyqxmd.com/read/29153290/locally-advanced-pancreatic-cancer-an-emerging-entity
#1
REVIEW
Grainne M O Kane, Jennifer J Knox
Pancreatic adenocarcinoma (PDAC) remains a highly fatal disease that is increasing in incidence. PDAC can be classified according to resectability status with 3 nonmetastatic groups defined: resectable, borderline resectable, and locally advanced PDAC (LAPC). Delineating these subtypes is important with the optimal treatment approach dictated by high-quality CT imaging and multidisciplinary team discussion. Patients with LAPC are thought unresectable and are therefore rarely cured. In these patients, chemotherapy remains the mainstay of treatment...
November 16, 2017: Current Problems in Cancer
https://www.readbyqxmd.com/read/29152431/intensity-modulated-proton-therapy-with-advanced-planning-techniques-in-a-challenging-hepatocellular-carcinoma-patient
#2
Smith Apisarnthanarax, Jatinder Saini, Avril O'Ryan-Blair, Jackie Castro, Stephen R Bowen
The use of radiation therapy has been increasing over recent years for the treatment of hepatocellular carcinoma (HCC). Proton beam therapy (PBT) has emerged as a promising treatment option for HCC patients due to its dosimetric advantages of sparing more normal liver tissue from radiation at low to moderate doses compared to photon-based treatments while still delivering high doses of radiation to tumors. The PBT therapy may be particularly beneficial in high-risk HCC cirrhotic patients with large, bulky tumors and/or vascular invasion complicated by surrounding perfusion abnormalities...
September 10, 2017: Curēus
https://www.readbyqxmd.com/read/29149420/blood-clearance-and-occupational-exposure-for-177-lu-dotatate-compared-to-177-lu-psma-radionuclide-therapy
#3
Mohammad Abuqbeitah, Mustafa Demir, Lebriz Uslu-Beşli, Nami Yeyin, Kerim Sönmezoğlu
The main target of this work is to examine blood clearance and external exposure for (177)Lu-DOTATATE compared with new emerging (177)Lu-PSMA therapy. Blood clearance and radiation exposure of 31 patients treated with 5.5 ± 1.1 GBq (177)Lu-DOTATATE were compared to those of 23 patients treated with 7.4 GBq (177)Lu-PSMA. Dose rates were measured at several distances and time points up to 120 h after treatment. Blood samples were collected conjunctively after infusion. Caregiver's cumulative dose was measured by means of an OSL (optically stimulated luminescence) dosimeter for 4-5 days and medical staff's dose was also estimated using electronic personal dosimeters...
November 17, 2017: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/29148554/modelling-direct-dna-damage-for-gold-nanoparticle-enhanced-proton-therapy
#4
Marios Sotiropoulos, Nicholas T Henthorn, John W Warmenhoven, Ranald I Mackay, Karen J Kirkby, Michael J Merchant
Gold nanoparticles have been proven as potential radiosensitizer when combined with protons. Initially the radiosensitization effect was attributed to the physical interactions of radiation with the gold and the production of secondary electrons that induce DNA damage. However, emerging data challenge this hypothesis, supporting the existence of alternative or supplementary radiosensitization mechanisms. In this work we incorporate a realistic cell model with detailed DNA geometry and a realistic gold nanoparticle biodistribution based on experimental data...
November 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/29145955/cardiovascular-complications-of-cancer%C3%A2-therapy-best-practices-in-diagnosis-prevention-and-management-part-2
#5
REVIEW
Hui-Ming Chang, Tochukwu M Okwuosa, Tiziano Scarabelli, Rohit Moudgil, Edward T H Yeh
In this second part of a 2-part review, we will review cancer or cancer therapy-associated systemic and pulmonary hypertension, QT prolongation, arrhythmias, pericardial disease, and radiation-induced cardiotoxicity. This review is based on a MEDLINE search of published data, published clinical guidelines, and best practices in major cancer centers. Newly developed targeted therapy can exert off-target effects causing hypertension, thromboembolism, QT prolongation, and atrial fibrillation. Radiation therapy often accelerates atherosclerosis...
November 14, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29140463/anatomic-investigation-of-the-trajectory-for-stereotactic-laser-amygdalohippocampectomy
#6
Vanessa M Holanda, Abuzer Gungor, Serhat Baydin, Erik H Middlebrooks, Shabbar F Danish
BACKGROUND: Magnetic resonance imaging-guided laser interstitial thermal therapy (LITT) has emerged as a promising treatment for mesial temporal lobe epilepsy. Surgeons must understand the relevant anatomy that is traversed by the catheter and affected by ablation. OBJECTIVE: To study the anatomic structures crossed by the LITT catheter until it reaches the amygdala. METHODS: Three human cadaveric heads were implanted with catheters using a frameless stereotactic technique...
November 11, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29139364/advanced-management-of-severe-keloids
#7
REVIEW
Thomas Hagele, Hoka Nyanda, Nishit Patel, Nicole Russell, George Cohen, Christopher Nelson
Keloids negatively impact the health and quality of life of many affected dermatologic patients. Treating keloids is often difficult, and suboptimal responses are frequent. Fortunately, there are many treatment options available to the clinician that may lead to improved clinical outcomes. We present a review of currently available therapeutic options. Intralesional steroid injection remains the first-line treatment for keloids. Imiquimod, direct interferon therapy, or intralesional 5-flurouracil may alleviate the need for excessive corticosteroid therapy...
2017: Skinmed
https://www.readbyqxmd.com/read/29126815/analysis-of-suicide-risk-in-patients-with-penile-cancer-and-review-of-the-literature
#8
REVIEW
William G Simpson, Zachary Klaassen, Rita P Jen, William M Hughes, Durwood E Neal, Martha K Terris
The treatment for penile cancer has been shown to cause harmful psychiatric symptoms as well as have detrimental effects on well-being. In the past several years, alternatives to total or partial penectomy have emerged, such as chemotherapy, radiation, penile sparing, and laser ablation therapies. A more specific breakdown for penile cancer is in order as the therapy has the potential for life changing surgery. We examined the Surveillance, Epidemiology, and End Results (SEER) database (1973-2013), comprising 28% of the United States population...
October 3, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29126142/stereotactic-radiosurgery-in-the-management-of-limited-1-4-brain-metasteses-systematic-review-and-international-stereotactic-radiosurgery-society-practice-guideline
#9
Samuel T Chao, Antonio De Salles, Motohiro Hayashi, Marc Levivier, Lijun Ma, Roberto Martinez, Ian Paddick, Jean Régis, Samuel Ryu, Ben J Slotman, Arjun Sahgal
BACKGROUND: Guidelines regarding stereotactic radiosurgery (SRS) for brain metastases are missing recently published evidence. OBJECTIVE: To conduct a systematic review and provide an objective summary of publications regarding SRS in managing patients with 1 to 4 brain metastases. METHODS: Using Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines, a systematic review was conducted using PubMed and Medline up to November 2016...
November 3, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29122512/-salvage-prostate-brachytherapy-a-solution-for-local-failures-after-a-primary-radiation-therapy
#10
J-M Cosset, G Créhange
Salvage brachytherapy after a first prostate radiation therapy is an emerging technique, which has to be considered in the therapeutic armamentarium in the clinically challenging context of patients with isolated local failure from prostate cancer who may still be considered for cure. These occult failures are more and more frequently diagnosed at an early stage, thanks to targeted biopsies and advances in imaging modalities, such as multiparametric MRI and PET-CT. Salvage brachytherapy benefits from the implantation accuracy of brachytherapy procedures using 3D dosimetry and has resulted in more than 50% tumour control rates with long-term...
November 6, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29117939/novel-signaling-complex-between-troy-and-egfr-mediates-glioblastoma-cell-invasion
#11
Zonghui Ding, Alison Roos, Jean Kloss, Harshil Dhruv, Sen Peng, Patrick Pirrotte, Jennifer M Eschbacher, Nhan L Tran, Joseph C Loftus
Glioblastoma is the most frequent primary brain tumor in adults and a highly lethal malignancy with a median survival of about 15 months. The aggressive invasion of the surrounding normal brain makes complete surgical resection impossible, increases the resistance to radiation and chemotherapy, and assures tumor recurrence. Thus, there is an urgent need to develop innovative therapeutics to target the invasive tumor cells for improved treatment outcomes of this disease. Expression of TROY (TNFRSF19), a member of the tumor necrosis factor (TNF) receptor family, increases with increasing glial tumor grade and inversely correlates with patient survival...
November 8, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29114596/clinical-outcomes-of-intensity-modulated-proton-therapy-and-concurrent-chemotherapy-in-esophageal-carcinoma-a-single-institutional-experience
#12
Anussara Prayongrat, Cai Xu, Heng Li, Steven H Lin
Purpose: Intensity-modulated proton therapy (IMPT) is an emerging advanced radiation technique. Although dosimetric studies demonstrate the superiority of IMPT for improving target conformity and reducing unnecessary dose to critical normal tissues, clinical experience is limited. We aim to describe our preliminary experience implementing IMPT concurrently with chemotherapy in esophageal carcinoma (EC). Methods and materials: From May 2011 through February 2016, 19 patients with EC (median age, 73 years) were treated with IMPT using 180 to 250 MV protons with a median dose of 50...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29113650/laparoscopic-parenchymal-preserving-liver-resections-for-colorectal-liver-metastases-in-the-era-of-highly-effective-systemic-therapy-and-selective-internal-radiation-therapy-can-often-prevent-a-hemihepatectomy-with-video
#13
Mathieu D'Hondt, Frédéric Ververken, Frederiek Nuytens
BACKGROUND: Preservation of hepatic parenchyma is important in liver surgery to prevent postoperative liver failure and according to some reports it could offer a prolonged survival and lower recurrence rates compared to major hepatectomies in patients with colorectal liver metastases. However, laparoscopic parenchyma-preserving liver resections can be technically challenging. The aim of this video is to illustrate the concept of laparoscopic parenchymal-preserving liver resections after conversion chemotherapy with targeted therapy...
December 2017: Surgical Oncology
https://www.readbyqxmd.com/read/29113454/modulators-of-redox-metabolism-in-head-and-neck-cancer
#14
Xiaofei Chen, Jade Mims, Xiumei Huang, Naveen Singh, Edward A Motea, Sarah M Planchon, Muhammad Beg, Allen W Tsang, Mercedes Porosnicu, Melissa L Kemp, David A Boothman, Cristina Furdui
SIGNIFICANCE: Head and Neck Squamous Cell Cancer (HNSCC) is a complex disease characterized by high genetic and metabolic heterogeneity. Radiation therapy (RT) alone or combined with systemic chemotherapy is widely used for treatment of HNSCC as definitive treatment or as adjuvant treatment after surgery. Antibodies against Epidermal Growth Factor Receptor (EGFR) are used in definitive or palliative treatment. Recent Advances. Emerging targeted therapies against other proteins of interest as well as programmed cell death protein 1 (PD-1) and programmed death-ligand 1 (PD-L1) immunotherapies are being explored in clinical trials...
November 7, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29105268/admissions-for-antibiotic-resistant-infections-in-cancer-patients-during-first-year-of-cancer-diagnosis-a-cross-sectional-study
#15
Neli Slavova-Azmanova, Livia Haddow, Harry Hohnen, Geoffrey Coombs, James O Robinson, Angela Ives
In this study, linked Western Australian health data were used to determine presence of an antibiotic-resistant infection (ABRI) for all people diagnosed with a primary invasive cancer in 2009. Of 10 858 cancer cases, 154 (1.42%) had an ABRI. Patients with an ABRI were older (71.5 vs 66 years), and more had died in the year following diagnosis (37.7 vs 20.2%, P < 0.001). The ABRI cohort had a higher proportion of colorectal, genitourinary and haematological cancers (19.5 vs 11.9%; 14.3 vs 9.7% and 16...
November 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29097931/uptake-of-18-f-fet-and-18-f-fch-in-human-glioblastoma-t98g-cell-line-after-irradiation-with-photons-or-carbon-ions
#16
Francesca Pasi, Marco Giovanni Persico, Federica Eleonora Buroni, Carlo Aprile, Marina Hodolic, Franco Corbella, Rosanna Nano, Angelica Facoetti, Lorenzo Lodola
The differential diagnosis between recurrence of gliomas or brain metastases and this phenomenon is important in order to choose the best therapy and predict the prognosis but is still a big problem for physicians. The new emerging MRI, CT, and PET diagnostic modalities still lack sufficient accuracy. Radiolabeled choline and amino acids have been reported to show great tumor specificity. We studied the uptake kinetics of [(18)F]fluoromethyl-choline (FCH) and O-(2-[(18)F]fluoroethyl)-L-tyrosine (FET) by the T98G human glioblastoma cells from 20 to 120 min after irradiation either with photons at 2-10-20 Gy or with carbon ions at 2 Gy (at the National Centre for Oncological Hadrontherapy (CNAO), Pavia, Italy)...
2017: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/29094172/essential-role-of-radiation-therapy-for-the-treatment-of-pancreatic-cancer-novel-study-concepts-and-established-treatment-recommendations
#17
REVIEW
Sophie Dobiasch, Nicole L Goerig, Rainer Fietkau, Stephanie E Combs
BACKGROUND: Pancreatic cancer is one of the most aggressive human tumors and the incidence has increased over the last 6 years. In the majority of cases the disease is already in an advanced stage at the time of diagnosis where surgery, the only curative treatment, is no longer an option and explains the still abysmal overall survival. The role of radiation therapy as treatment option for patients with pancreatic cancer is controversially discussed although radiation oncology has emerged as a central pillar in the combined oncological treatment...
November 1, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29092047/impact-of-timing-of-adjuvant-chemoradiation-for-glioblastoma-in-a-large-hospital-database
#18
Virginia W Osborn, Anna Lee, Elizabeth Garay, Joseph Safdieh, David Schreiber
BACKGROUND: Although the standard of care for glioblastoma remains maximal safe resection followed by chemoradiation, conflicting reports have emerged regarding the importance of the time interval between these 2 treatments. OBJECTIVE: To assess whether differences in the duration between surgery and initiation of chemoradiation for glioblastoma had an impact on overall survival (OS) in a large hospital-based database. METHODS: The National Cancer Database was queried to identify patients diagnosed with glioblastoma between 2010 and 2012 treated with surgery followed by chemoradiation...
October 28, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29081376/new-indications-for-endoscopic-radiofrequency-ablation
#19
Thomas R McCarty, Tarun Rustagi
Radiofrequency ablation (RFA) is a well-established treatment for several benign, pre-malignant, and malignant disorders. Although the role of RFA has been clearly defined, new indications for luminal and extra-luminal applications of endoscopic RFA-directed therapies have emerged. RFA has recently produced promising results in patients with a variety of gastrointestinal and hepatopancreatobiliary pathologies. For example, endoscopic RFA has been used to treat patients with gastric antral vascular ectasia, chronic radiation proctitis, malignant biliary strictures, and ampullary adenomas with intraductal extension...
October 25, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29080006/local-arterial-therapies-in-the-management-of-unresectable-hepatocellular-carcinoma
#20
REVIEW
Samdeep K Mouli, Laura W Goff
Most patients with hepatocellular carcinoma present with intermediate to advanced disease, where curative therapies are no longer an option. These patients with intermediate to advanced disease represent a heterogeneous population with regard to tumor burden, liver function, and performance status. While the Barcelona Clinic Liver Cancer (BCLC) staging system offers guidelines for the management of these patients, strict adherence to these guidelines may limit treatment options for these patients. Several locoregional therapies exist for these patients, including conventional transarterial chemoembolization (cTACE), transarterial embolization (TAE), drug-eluting embolization (DEE), and radioembolization...
October 27, 2017: Current Treatment Options in Oncology
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