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https://www.readbyqxmd.com/read/28441859/-dnt-cell-inhibits-the-growth-of-pancreatic-carcinoma-via-nkg2d-and-mica-pathway-in-vivo
#1
J Chen, H Xu, X X Zhu, Y Zhao, H Z Fang, J Q Zhao
Objective: To investigate the effects of natural killer group 2 member D (NKG2D) and its ligands major histocompatibility complex class Ⅰ chain-related molecules A(MICA) on DNT cell killing pancreatic carcinoma. Methods: Antibodies adsorption was used to separate DNT cell from human peripheral blood. Human pancreatic tumor models were established via implanting BXPC-3 cells into nude mice, and then mice were randomly divided mice into 3 groups, blank group, gemcitabine group and DNT group. Mice weights and mice tumor volumes were measured every 5 days...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28435743/effects-of-overground-locomotor-training-on-the-ventilatory-response-to-volitional-treadmill-walking-in-individuals-with-incomplete-spinal-cord-injury-a-pilot-study
#2
Gino S Panza, Andrew A Guccione, Lisa M Chin, Jared M Gollie, Jeffery E Herrick, John P Collins
INTRODUCTION: Although there has been substantial emphasis on the neuromuscular and cardiovascular adaptations following rehabilitation, pulmonary adaptations in individuals with incomplete SCI (iSCI) in response to locomotor training have been less frequently studied. In healthy individuals, effective transition from rest to work is accomplished by a hyperpneic response, which exhibits an exponential curve with three phases. However, the degree to which our current understanding of exercise hyperpnea can be applied to individuals with iSCI is unknown...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28434797/patterns-of-care-survey-radiotherapy-for-women-with-locally-advanced-cervical-cancer
#3
Peter de Boer, Ina M Jürgenliemk-Schulz, Henrike Westerveld, Astrid A C de Leeuw, Raquel Dávila-Fajardo, Coen R N Rasch, Bradley R Pieters, Lukas J A Stalpers
BACKGROUND AND PURPOSE: Regarding latest developments, the need of a radiotherapy 'Patterns of Care' survey was expressed by the Dutch National Platform Radiotherapy for Gynaecological Cancer (LPRGT). Therefore, this study investigated current practice for cervical cancer in all 16 radiation oncology centres in the Netherlands specialised in gynaecological oncology. MATERIAL AND METHODS: A structured 'patterns of care' questionnaire was completed and followed by an in-depth interview with radiation oncologists from all radiotherapy centres specialised in gynaecological oncology...
April 20, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28432712/stroke-etiology-and-collaterals-atheroembolic-strokes-have-greater-collateral-recruitment-than-cardioembolic-strokes
#4
L C Rebello, M Bouslama, D C Haussen, J A Grossberg, S Dehkharghani, A Anderson, S R Belagaje, N A Bianchi, M Grigoryan, M R Frankel, R G Nogueira
BACKGROUND AND PURPOSE: Chronic hypoperfusion from athero-stenotic lesions is thought to lead to better collateral recruitment compared to cardioembolic strokes. It was sought to compare collateral flow in stroke patients with atrial fibrillation (AF) versus stroke patients with cervical atherosclerotic steno-occlusive disease (CASOD). METHOD: This was a retrospective review of a prospectively collected endovascular database. Patients with (i) anterior circulation large vessel occlusion stroke, (ii) pre-treatment computed tomography angiography (CTA) and (iii) intracranial embolism from AF or CASOD were included...
April 21, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28431428/computational-and-in-vitro-experimental-investigation-of-intrathecal-drug-distribution-parametric-study-of-the-effect-of-injection-volume-cerebrospinal-fluid-pulsatility-and-drug-uptake
#5
Kevin M Tangen, Roxanne Leval, Ankit I Mehta, Andreas A Linninger
BACKGROUND: Intrathecal drug delivery is an attractive option to circumvent the blood-brain barrier for pain management through its increased efficacy of pain relief, reduction in adverse side effects, and cost-effectiveness. Unfortunately, there are limited guidelines for physicians to choose infusion or drug pump settings to administer therapeutic doses to specific regions of the spine or the brain. Although empiric trialing of intrathecal drugs is critical to determine the sustained side effects, currently there is no inexpensive in vitro method to guide the selection of spinal drug delivery parameters...
May 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28430590/treatment-of-esophageal-cancer-with-radiation-therapy-a-pan-chinese-survey-of-radiation-oncologists
#6
Yun Zhang, Jing Liu, Wencheng Zhang, Weiye Deng, Jinbo Yue
Lots of controversies were found about the treatment in relation to radiation therapy (RT) for esophageal squamous cell carcinoma (ESCC). We designed a questionnaire of these controversies to do a pan-Chinese survey of radiation oncologists (ROs). For operable ESCC, 53% ROs chose surgery plus postoperative chemoradiotherapy (CRT), while 40% chose preoperative CRT plus surgery. For target volume of postoperative RT, most ROs (92%) would delineate tumor bed plus involved lymph nodes region before surgery. For definitive RT, most ROs (81%) would give patients higher RT dose to 60-65Gy...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427517/interim-18-fdg-pet-ct-during-radiochemotherapy-in-the-management-of-pelvic-malignancies-a-systematic-review
#7
REVIEW
Mahila Ferrari, Laura Lavinia Travaini, Delia Ciardo, Cristina Garibaldi, Laura Gilardi, Robert Glynne-Jones, Chiara Maria Grana, Barbara Alicja Jereczek-Fossa, Giulia Marvaso, Sara Ronchi, Maria Cristina Leonardi, Roberto Orecchia, Marta Cremonesi
(18)F-fluorodeoxyglucose PET/CT ((18)F-FDG-PET/CT) is widely applied in oncology for disease staging, assessment of therapy response, relapse diagnosis, follow-up and target volume delineation. In particular, it can detect early response during chemoradiotherapy (interim) because functional modifications usually precede morphological ones. This ability is crucial to the radiation oncologist for the management of patients, to avoid persisting with ineffective therapy - often leading toxicity - and to shift to potentially more effective alternatives...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28423530/patterns-of-failure-and-clinical-outcomes-of-definitive-radiotherapy-for-cervical-esophageal-cancer
#8
Lina Zhao, Yongchun Zhou, Yunfeng Mu, Guangjin Chai, Feng Xiao, Lina Tan, Steven H Lin, Mei Shi
PURPOSE: Because of the scarcity of cervical esophageal cancer (CEC), data for this disease entity is limited. We aim to evaluate the outcomes, prognostic factors and failure patterns of CEC treated by contemporary radiotherapy (RT). METHODS: We retrospectively analyzed 86 CEC patients consecutively treated between 2007 and 2015 by definitive RT with or without concurrent chemotherapy. RT was mainly delivered with Intensity Modulated Irradiation Therapy (IMRT) or Volumetric-Modulated Arc Therapy (VMAT)...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410686/relations-between-doses-cumulated-in-bone-marrow-and-dose-delivery-techniques-during-radiation-therapy-of-cervical-and-endometrial-cancer
#9
Agata Jodda, Bartosz Urbański, Tomasz Piotrowski, Julian Malicki
PURPOSE: To compare normal tissue complication probability (NTCP) and average doses in the bone marrow (BM), obtained for five different radiotherapy delivery and planning strategies of cervical and endometrial cancer. MATERIAL/METHODS: 50 patients were taken to analysis. For each case, 3 different dose delivery techniques were used: 4-field, X15MV, 3DCRT; 7-field, X6MV, IMRT; and 2-arc, X6MV, VMAT. Two optimization scenarios were used for the IMRT and VMAT plans generation: with (+) and without (-) the inclusion of the BM as an optimized structure...
April 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28409221/-18-fluorodeoxyglucose-positron-emission-tomography-for-the-textural-features-of-cervical-cancer-associated-with-lymph-node-metastasis-and-histological-type
#10
Wei-Chih Shen, Shang-Wen Chen, Ji-An Liang, Te-Chun Hsieh, Kuo-Yang Yen, Chia-Hung Kao
BACKGROUND: In this study, we investigated the correlation between the lymph node (LN) status or histological types and textural features of cervical cancers on (18)F-fluorodeoxyglucose positron emission tomography/computed tomography. METHODS: We retrospectively reviewed the imaging records of 170 patients with International Federation of Gynecology and Obstetrics stage IB-IVA cervical cancer. Four groups of textural features were studied in addition to the maximum standardized uptake value (SUVmax), metabolic tumor volume, and total lesion glycolysis (TLG)...
April 14, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28405949/transoral-endoscopic-thyroidectomy-preliminary-experience-in-italy
#11
Gianlorenzo Dionigi, Alessandro Bacuzzi, Matteo Lavazza, Davide Inversini, Luigi Boni, Stefano Rausei, Hoon Yub Kim, Angkoon Anuwong
Transoral endoscopic thyroidectomy vestibular approach (TOETVA) is a feasible novel surgical procedure that does not need visible incisions. We describe our initial experience with TOETVA. We recruited 15 patients who were willing to undergo TOETVA. Inclusion criteria were (a) patients who had a neck ultrasound (US) with a estimated thyroid diameter not larger than 10 cm; (b) US estimated gland volume ≤45 mL; (c) nodule size ≤50 mm; (d) a benign tumor, such as a thyroid cyst, single-nodular goiter, or multinodular goiter; (e) follicular neoplasm; (f) papillary microcarcinoma without evidence of metastasis...
April 12, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28402279/intensity-modulated-radiotherapy-with-fixed-collimator-jaws-for-locoregional-left-sided-breast-cancer-irradiation
#12
Juanqi Wang, Zhaozhi Yang, Weigang Hu, Zhi Chen, Xiaoli Yu, Xiaomao Guo
The purpose of this study is to evaluate the intensity modulated radiotherapy (IMRT) with the fixed collimator jaws technique (FJT) for the left breast and regional lymph node. The targeted breast tissue and the lymph nodes, and the normal tissues were contoured for 16 left-sided breast cancer patients previously treated with radiotherapy after lumpectomy. For each patient, treatment plans using different planning techniques, i.e., volumetric modulated arc therapy (VMAT), tangential IMRT (tangential-IMRT), and IMRT with FJT (FJT-IMRT) were developed for dosimetric comparisons...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28400857/estimation-of-the-overall-burden-of-cancers-precancerous-lesions-and-genital-warts-attributable-to-9-valent-hpv-vaccine-types-in-women-and-men-in-europe
#13
Susanne Hartwig, Jean Lacau St Guily, Géraldine Dominiak-Felden, Laia Alemany, Silvia de Sanjosé
BACKGROUND: In addition to cervical cancer, human papillomavirus (HPV) is responsible for a significant proportion of cancers and precancerous lesions of the vulva, vagina, anus, penis, head and neck, as well as genital warts. We estimated the annual number of new cases of these diseases attributable to 9-valent HPV vaccine types in women and men in Europe. METHODS: The annual number of new cancers of the cervix, vulva, vagina, anus, penis, and selected head and neck sites in the population of the European Medicines Agency territory was estimated based on age-specific incidence rates extracted from Cancer Incidence in 5 Continents, Volume X and Eurostat population data for 2015...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28396808/usefulness-of-stereotactic-radiotherapy-using-cyberknife-for-recurrent-lymph-node-metastasis-of-differentiated-thyroid-cancer
#14
Joji Kawabe, Shigeaki Higashiyama, Mitsuharu Sougawa, Atsushi Yoshida, Kohei Kotani, Susumu Shiomi
A woman in her 60s presented with a recurrent lymph node metastasis from a papillary thyroid carcinoma in the right parapharyngeal space. She had already undergone total thyroidectomy, five resections for cervical lymph node metastases, and right carotid rebuilding. Surgical resection of the current metastasis was impossible. (131)I-radioiodine therapy (RIT) with 3.7 GBq (131)I was not effective; therefore, stereotactic radiation therapy (SRT) using a CyberKnife radiotherapy system was scheduled. The prescription dose was 21 Gy, and a dose covering 95% of the planning target volume (PTV) in three fractions was administered...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28395417/-dosimetry-verification-of-radioactive-seed-implantation-with-3d-printing-template-and-ct-guidance-for-paravertebral-retroperitoneal-malignant-tumor
#15
Z Ji, Y L Jiang, F X Guo, R Peng, H T Sun, J H Fan, J J Wang
Objective: To compare the dose distributions of postoperative plans with preoperative plans for seeds implantations of paravertebral/retroperitoneal tumors assisted by 3D printing guide template and CT guidance, explore the effects of the technology for seeds implantations in dosimetry level and provide data support for the optimization and standardization in seeds implantation. Methods: Between December 2015 and July 2016, a total of 10 patients with paravertebral/retroperitoneal tumors (12 lesions) received 3D printing template assist radioactive seeds implantations in department of radiation oncology of Peking University Third Hospital, and included in the study...
April 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28385434/computer-aided-analysis-of-digital-dental-impressions-obtained-from-intraoral-and-extraoral-scanners
#16
Lauren Oliveira Lima Bohner, Graziela De Luca Canto, Bruno Silva Marció, Dalva Cruz Laganá, Newton Sesma, Pedro Tortamano Neto
STATEMENT OF PROBLEM: The internal and marginal adaptation of a computer-aided design and computer-aided manufacturing (CAD-CAM) prosthesis relies on the quality of the 3-dimensional image. The quality of imaging systems requires evaluation. PURPOSE: The purpose of this in vitro study was to evaluate and compare the trueness of intraoral and extraoral scanners in scanning-prepared teeth. MATERIAL AND METHODS: Ten acrylic resin teeth to be used as a reference dataset were prepared according to standard guidelines and scanned with an industrial computed tomography system...
April 3, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28376900/an-integrated-strategy-of-biological-and-physical-constraints-in-biological-optimization-for-cervical-carcinoma
#17
Ziwei Feng, Cheng Tao, Jian Zhu, Jinhu Chen, Gang Yu, Shaohua Qin, Yong Yin, Dengwang Li
BACKGROUND: For cervical carcinoma cases, this study aimed to evaluate the quality of intensity-modulated radiation therapy (IMRT) plans optimized by biological constraints. Furthermore, a new integrated strategy in biological planning module was proposed and verified. METHODS: Twenty patients of advanced stage cervical carcinoma were enrolled in this study. For each patient, dose volume optimization (DVO), biological model optimization (BMO) and integrated strategy optimization (ISO) plans were created using same treatment parameters...
April 4, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28372889/structure-based-deformable-image-registration-added-value-for-dose-accumulation-of-external-beam-radiotherapy-and-brachytherapy-in-cervical-cancer
#18
Laura E van Heerden, Antonetta C Houweling, Kees Koedooder, Zdenko van Kesteren, Niek van Wieringen, Coenraad R N Rasch, Bradley R Pieters, Arjan Bel
BACKGROUND AND PURPOSE: Structure-based deformable image registration (DIR) can be used to calculate accumulated brachytherapy (BT) and external-beam radiation therapy (EBRT) dose-volume histogram (DVH) parameters in cervical cancer. Since direct parameter addition does not take dose non-uniformity into account, the added value of DIR over addition methods was investigated for bladder and rectum. MATERIALS AND METHODS: For twelve patients (EBRT: 46Gy, EBRT+BT: D90 85-90GyEQD2 in equivalent dose in 2Gy fractions) the EBRT planning CT and BT planning MRI were registered using DIR...
March 31, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28370793/vaginal-delivery-after-placental-abruption-with-intrauterine-fetal-death-a-20-year-single-center-experience
#19
Ayami Inoue, Eiji Kondoh, Koh Suginami, Shingo Io, Yoshitsugu Chigusa, Ikuo Konishi
AIM: The aim of this study was to elucidate the feasibility and safety of vaginal delivery (VD) when placental abruption causes fetal demise. METHODS: We conducted a retrospective study of women who were managed for placental abruption with intrauterine fetal death at Kyoto University Hospital during the period from 1995 to 2015. RESULTS: Sixteen cases were identified during the study period. VD was attempted in 15 cases and was accomplished in 14 (93...
March 28, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28365083/clinical-transition-to-model-based-dose-calculation-algorithm-a-retrospective-analysis-of-high-dose-rate-tandem-and-ring-brachytherapy-of-the-cervix
#20
Dayee Jacob, Melissa Lamberto, Lana DeSouza Lawrence, Firas Mourtada
PURPOSE: To retrospectively compare clinical dosimetry of CT-based tandem-ring treatment plans using a model-based dose calculation algorithm (MBDCA) with the standard TG-43-based dose formalism. METHODS AND MATERIALS: A cohort of 10 cervical cancer cohorts treated using the tandem and ring high-dose-rate applicators were evaluated. The original treatment plans were created using the department CT-based volume optimization clinical standards. All plans originally calculated with TG-43 dose calculation formalism were recalculated using the MBDCA algorithm...
March 29, 2017: Brachytherapy
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