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https://www.readbyqxmd.com/read/29475187/small-scale-production-of-67-cu-for-a-preclinical-study-via-the-64-ni-%C3%AE-p-67-cu-channel
#1
Tomoyuki Ohya, Kotaro Nagatsu, Hisashi Suzuki, Masami Fukada, Katsuyuki Minegishi, Masayuki Hanyu, Ming-Rong Zhang
INTRODUCTION: Copper-67 is an attractive beta emitter for targeted radionuclide therapy. However, the availability of67 Cu limits its potential use in a wide range of applications. In this study, we propose an easy small-scale production of67 Cu using64 Ni target for a preclinical study. METHODS: 67 Cu was produced from an electrodeposited64 Ni target via the64 Ni(α, p)67 Cu-reaction with a 36 MeV alpha beam at 15 eμA (electrical microampere) conducted for 7 h...
February 20, 2018: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/29475036/adamts-6-is-a-predictor-of-poor-prognosis-in-patients-with-esophageal-squamous-cell-carcinoma
#2
Lan Liu, Zhaoting Yang, Weidong Ni, Yanhua Xuan
BACKGROUND: A disintegrin and metalloprotease with thrombospondin motif (ADAMTS) enzymes play important roles in cell functions including adhesion, invasion, migration, and proliferation. ADAMTS-6 is a member of the ADAMTS family; reports of its relationship with esophageal squamous cell carcinoma (ESCC) progression are rare. It is unclear whether ADAMTS-6 could be an independent ESCC biomarker. METHODS: ADAMTS-6 expression was detected by immunohistochemistry (IHC) in 171 paraffin-embedded ESCC specimens; relationships with patients' clinicopathological features and Twist-1 expression were analyzed by the Pearson Chi-square method, respectively...
February 20, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29475020/cancer-survivors-an-expanding-population-with-an-increased-cardiometabolic-risk
#3
REVIEW
Francesco Felicetti, Nicoletta Fortunati, Enrico Brignardello
In the last decades the survival rate of patients diagnosed with cancer - both in childhood and adulthood - significantly improved, leading to a growing number of cancer survivors (CS) within general population. Despite the better survival rate related to the cancer diagnosis, CS show increased mortality and morbidity if compared to non-cancer population, due to the occurrence of health conditions categorized as late effects of previous anticancer treatments. Cardiovascular (CV) diseases are one of the main responsible for this increased morbidity of CS...
February 20, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29474882/the-angiographic-and-clinical-outcomes-of-intracranial-aneurysms-following-irradiation-in-patients-with-nasopharyngeal-carcinoma-a-13-year-experience-and-literature-review
#4
Chan Siang Hua Victor, Woo Yat Ming Peter, Wong Kai Sing Alain, Chan Kwong Yau, Leung Kar Ming
BACKGROUND AND PURPOSE: Intracranial aneurysms are a known but rare complication of radiotherapy (RT). We reviewed the angiographic and clinical outcomes of intracranial aneurysms following RT in patients with nasopharyngeal carcinoma (NPC), a malignancy endemic in Hong Kong. MATERIALS AND METHODS: The clinical, angiographic and laboratory data was collected for nine NPC patients harboring fifteen intracranial aneurysms following RT, diagnosed between 1st January 2000 and 31st December 2012...
February 20, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29474748/changes-in-prostate-orientation-due-to-removal-of-a-foley-catheter
#5
Dale W Litzenberg, Daniel G Muenz, Paul G Archer, William C Jackson, Daniel A Hamstra, Jason W Hearn, Matthew J Schipper, Daniel E Spratt
PURPOSE: Investigate the impact on prostate orientation caused by use and removal of a Foley catheter, and the dosimetric impact on men prospectively treated with prostate stereotactic body radiotherapy (SBRT). METHODS: Twenty-two men underwent a CT simulation with a Foley in place (FCT), followed immediately by a second treatment planning simulation without the Foley (TPCT). The change in prostate orientation was determined by rigid registration of three implanted transponders between FCT and TPCT and compared to measured orientation changes during treatment...
February 23, 2018: Medical Physics
https://www.readbyqxmd.com/read/29474504/the-first-in-vivo-multiparametric-comparison-of-different-radiation-exposure-biomarkers-in-human-blood
#6
Ales Tichy, Sylwia Kabacik, Grainne O'Brien, Jaroslav Pejchal, Zuzana Sinkorova, Adela Kmochova, Igor Sirak, Andrea Malkova, Caterina Gomila Beltran, Juan Ramon Gonzalez, Jakub Grepl, Matthaeus Majewski, Elizabeth Ainsbury, Lenka Zarybnicka, Jana Vachelova, Alzbeta Zavrelova, Marie Davidkova, Marketa Markova Stastna, Michael Abend, Eileen Pernot, Elisabeth Cardis, Christophe Badie
The increasing risk of acute large-scale radiological/nuclear exposures of population underlines the necessity of developing new, rapid and high throughput biodosimetric tools for estimation of received dose and initial triage. We aimed to compare the induction and persistence of different radiation exposure biomarkers in human peripheral blood in vivo. Blood samples of patients with indicated radiotherapy (RT) undergoing partial body irradiation (PBI) were obtained soon before the first treatment and then after 24 h, 48 h, and 5 weeks; i...
2018: PloS One
https://www.readbyqxmd.com/read/29474271/de-escalation-treatment-of-human-papillomavirus-positive-oropharyngeal-squamous-cell-carcinoma-an-evidence-based-review-for-the-locally-advanced-disease
#7
Gustavo T Stock, Renata R C Colombo Bonadio, Gilberto de Castro
PURPOSE OF REVIEW: Oropharyngeal cancer (OPC) incidence is increasing worldwide, especially in developed countries where it seems to be etiologically related to the elevating rates of high-risk human papillomavirus (HPV) infection. Considered a distinct disease because of its weak correlation with the traditional risk factors (tobacco use and alcohol), it has different patterns of survival outcomes, locoregional and distant failure, generally with better prognosis independently of the treatment...
February 22, 2018: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29474189/characteristic-of-ebt-xd-and-ebt3-radiochromic-film-dosimetry-for-photon-and-proton-beams
#8
Suphalak Khachonkham, Ralf Dreindl, Gerd Heilemann, Wolfgang Lechner, Hermann Fuchs, Hugo Palmans, Dietmar Georg, Peter Kuess
Recently, a new type of radiochromic film, the EBT XD film, has been introduced for high dose radiotherapy. The EBT XD film contains the same structure as the EBT3 film but has a slightly different composition and a thinner active layer. This study benchmarks the EBT XD against EBT3 film for 6 MV and 10 MV photon beams, as well as for 97.4 MeV and 148.2 MeV proton beams and 15¬ 100 kV x-rays. Dosimetric and film reading characteristics, such as post irradiation darkening, film orientation effect, lateral response artifact (LRA), film sensitivity, energy and beam quality dependency were investigated...
February 23, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29474157/raman-spectroscopic-signatures-reveal-distinct-biochemical-and-temporal-changes-in-irradiated-human-breast-adenocarcinoma-xenografts
#9
Samantha J Van Nest, Leah M Nicholson, Lindsay DeVorkin, Alexandre G Brolo, Julian J Lum, Andrew Jirasek
Radiation therapy plays a crucial role in the management of breast cancer. However, current standards of care have yet to accommodate patient-specific radiation sensitivity. Raman spectroscopy is promising for applications in radiobiological studies and as a technique for personalized radiation oncology, since it can detect spectral changes in irradiated tissues. In this study, we used established Raman spectroscopic approaches to investigate the biochemical nature and temporal evolution of spectral changes in human breast adenocarcinoma xenografts after in vivo irradiation...
February 23, 2018: Radiation Research
https://www.readbyqxmd.com/read/29474100/cervical-myelopathy-causing-numbness-and-paresthesias-in-lower-extremities-a-case-report-identifying-the-cause-of-a-false-positive-sharp-purser-test
#10
Cody J Mansfield
INTRODUCTION: The patient was referred to an outpatient physical therapy clinic for lumbar radiculopathy by a primary care physician and subsequently referred for imaging due to suspicion of cervical myelopathy. The case highlights the clinical reasoning of the physical therapist differentiating between lumbar stenosis, cervical myelopathy, and upper cervical instability. To the author's knowledge, this is the only case report in the literature to describe the mechanism that could underpin a false positive Sharp-Purser test (SPT)...
February 23, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29474098/comparing-four-radiotherapy-techniques-for-treating-the-chest-wall-plus-levels-iii-iv-draining-nodes-after-breast-reconstruction
#11
Valentina Lancellotta, Martina Iacco, Elisabetta Perrucci, Lorenzo Falcinelli, Claudio Zucchetti, Berardino de Bari, Simonetta Saldi, Cynthia Aristei
OBJECTIVE: To compare the dosimetric outcomes of four radiotherapy (RT) techniques for treating the chest wall plus draining nodes after mastectomy and breast reconstruction. METHODS: Three-dimensional conformal radiotherapy (3DCRT), linac-based intensity modulated radiotherapy, helical tomotherapy (HT) and direct tomotherapy (DT) treatments were planned for 40 breast cancer patients. Dose prescription was 50 Gy. Plans were compared in terms of doses to the planning target volume, organs at risk (OARs) and the homogeneity index (HI)...
February 23, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29474096/theranostic-radiopharmaceuticals-established-agents-in-current-use
#12
James R Ballinger
Although use of the term "theranostic" is relatively recent, the concept goes back to the earliest days of nuclear medicine, with the use of radioiodine for diagnosis and therapy of benign and malignant thyroid disease being arguably the most successful molecular radiotherapy in history. A diagnostic scan with123 I-,124 I-, or a low activity of131 I-iodide is followed by therapy with high activity131 I-iodide. Similarly, adrenergic tumours such as phaeochromocytoma and neuroblastoma can be imaged with123 I-metaiodobenzylguanidine (MIBG) and treated with131 I-MIBG...
February 23, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29474004/image-guided-surgery-in-cancer-a-strategy-to-reduce-incidence-of-positive-surgical-margins
#13
REVIEW
Kathryn R Tringale, John Pang, Quyen T Nguyen
Primary treatment for many solid cancers includes surgical excision or radiation therapy, with or without the use of adjuvant therapy. This can include the addition of radiation and chemotherapy after primary surgical therapy, or the addition of chemotherapy and salvage surgery to primary radiation therapy. Both primary therapies, surgery and radiation, require precise anatomic localization of tumor. If tumor is not targeted adequately with initial treatment, disease recurrence may ensue, and if targeting is too broad, unnecessary morbidity may occur to nearby structures or remaining normal tissue...
February 23, 2018: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/29473959/reconstruction-using-a-constrained-type-hip-tumor-prosthesis-after-resection-of-malignant-periacetabular-tumors-a-study-by-the-japanese-musculoskeletal-oncology-group-jmog
#14
Koichi Ogura, Michiro Susa, Hideo Morioka, Akihiko Matsumine, Takeshi Ishii, Kenichiro Hamada, Takafumi Ueda, Akira Kawai
BACKGROUND: We conducted a nationwide survey of prosthetic reconstruction using a constrained-type hip tumor prosthesis (C-THA) following resection of periacetabular tumors. METHODS: Eighty patients with periacetabular tumors underwent wide resection and prosthetic reconstruction using C-THA at JMOG-affiliated institutions (39 males and 41 females; mean age, 46.7 years; mean follow-up period, 65 months). Primary bone or soft tissue sarcoma accounted for 75% of the cases...
February 23, 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29473768/comparison-of-definitive-intent-finely-fractionated-and-palliative-intent-coarsely-fractionated-radiotherapy-as-adjuvant-treatment-of-feline-microscopic-injection-site-sarcoma
#15
Federica Rossi, Laura Marconato, Silvia Sabattini, Simona Cancedda, Paola Laganga, Vito F Leone, Carla Rohrer Bley
Objectives The aim of this retrospective, bi-institutional study was to evaluate the progression-free interval in a cohort of cats with postoperative microscopic injection-site sarcoma (ISS) treated with two different radiotherapy protocols. Methods Included in the study were cats with ISSs undergoing macroscopic surgical removal and subsequent electron beam radiotherapy treatment with either a finely fractionated protocol (48 or 52.8 Gy over 4 weeks delivered in 12 or 16 fractions) or a coarsely fractionated protocol (36 Gy over 3 weeks administered in six fractions)...
February 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29473467/checkpoint-inhibitors-raising-the-bar-also-in-brain-metastases-from-non-small-cell-lung-cancer
#16
Sabrina Rossi, Giovanna Finocchiaro, Silvia Marchetti, Luca Toschi, Armando Santoro
Despite efforts, brain metastases (BM) remain a critical issue in the management of patients affected by non-small-cell lung cancer (NSCLC). To date, radiotherapy is still considered the gold standard treatment; on the other hand, systemic chemotherapeutical agents are not so often an effective therapy for BM, whereas targeted agents in oncogene-addicted disease have shown a good activity also on BM. Anti-programmed death-1/programmed death ligand-1 agents represent a new valid therapeutic strategy for NSCLC as well as for several tumor types, but their efficacy on patients with BM is still unclear mainly due to the strict selection criteria adopted in clinical trials...
April 2018: Immunotherapy
https://www.readbyqxmd.com/read/29473326/prediction-of-radiotherapy-response-with-a-5-microrna-signature-based-nomogram-in-head-and-neck-squamous-cell-carcinoma
#17
Lin Chen, Yihui Wen, Jingwei Zhang, Wei Sun, Vivian W Y Lui, Yi Wei, Fenghong Chen, Weiping Wen
Radiotherapy is unlikely to benefit all patients with head and neck squamous cell carcinoma (HNSCC). Therefore, novel method is warranted to predict the radiotherapy response. Our study aimed to construct a microRNA (miRNA)-based nomogram to predict clinical outcomes of patients with HNSCC receiving radiotherapy. We screened out 56 differential miRNAs by analyzing 44 paired tumor and adjacent normal samples miRNA expression profiles from The Cancer Genome Atlas (TCGA). A total of 307 patients with HNSCC receiving adjuvant radiotherapy were randomly divided into a training set (n = 154) and a validation set (n = 153)...
February 23, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29473319/prognostic-variables-for-temporal-lobe-injury-after-intensity-modulated-radiotherapy-of-nasopharyngeal-carcinoma
#18
Mei Feng, Yecai Huang, Xigang Fan, Peng Xu, Jinyi Lang, Dian Wang
To determine predictive factors for temporal lobe injury (TLI) in nasopharyngeal carcinoma patient (NPC) treated with intensity-modulated radiation therapy (IMRT). A total of 695 NPC cases treated with IMRT were retrospectively analyzed. TLI was diagnosed on MRI images. Volume-dose histograms for 870 evaluable temporal lobes were analyzed, and the predictive factors for the occurrence of TLI was evaluated. Receiver operating characteristic curve (ROC) and Logistic regression analysis was used to determine volume-dose parameters that predict temporal lobe injury (TLI)...
February 23, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29473247/double-blind-placebo-controlled-multicenter-phase-ii-trial-to-evaluate-d-methionine-in-preventing-reducing-oral-mucositis-induced-by-radiation-and-chemotherapy-for-head-and-neck-cancer
#19
Daniel A Hamstra, Kuei C Lee, Avraham Eisbruch, Prasad Sunkara, Sudhir Borgonha, Babu Phillip, Kathleen C M Campbell, Brian D Ross, Alnawaz Rehemtulla
BACKGROUND: The purpose of this study was to test if oral D-methionine (D-met) reduced mucositis during chemoradiotherapy. METHODS: We conducted a placebo-controlled double-blind randomized phase II trial of D-met (100 mg/kg p.o. b.i.d.) testing the rate of severe (grades 3-4) mucositis. RESULTS: Sixty patients were randomized. Grade 2 + oral pain was higher with placebo (79% vs 45%; P = .0165), whereas grade 2 + body odor was greater with D-met (3% vs 41%; P = ...
February 23, 2018: Head & Neck
https://www.readbyqxmd.com/read/29473186/being-in-safe-hands-patients-perceptions-of-how-cancer-services-may-support-psychological-well-being
#20
Lynda Appleton, Helen Poole, Christine Wall
AIMS: To explore how cancer services may positively promote and support patients' well-being throughout treatment. Specifically to identify components of care that are important to patients and meet their needs BACKGROUND: Patients commonly experience stress and uncertainty during their cancer journey which can have a negative impact on their psychological health and quality of life. Comparatively, little is known about how patients may experience positive well-being during their treatment experience...
February 23, 2018: Journal of Advanced Nursing
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