principles indications and techniques of radiation therapy of lymphomas
Báo cáo khoa học: "Comparison of conformal and intensity modulated radiation therapy techniques for treatment of pelvic tumors. Analysis of acute toxicity" pdf
... article as: Ferrigno et al.: Comparison of conformal and intensity modulated radiation therapy techniques for treatment of pelvic tumors Analysis of acute toxicity Radiation Oncology 2010 5:117 Submit ... lymph nodes and primary tumor sites must be irradiated List of abbreviation ASTRO: Americal Society of Therapeutic Radiation Oncology; CRT: Conformal Radiation Therapy; CT: Chemotherapy; CTV: ... Prescribing, recording, and reporting photon beam therapy Washington, DC: ICRU; 1993 27 Cox JF, Stetz J, Pajak TF: Toxicity criteria of the Radiation Therapy Oncology Group (RTOG) and the European Organization...
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Báo cáo khoa học: "Use of kilovoltage X-ray volume imaging in patient dose calculation for head-and-neck and partial brain radiation therapy" pptx
... thank the Drs Lijun Ma and Andrew Huwang for helpful discussions and editing of the paper Author Details 1Department of Radiation Oncology, Cancer Hospital, Department of Oncology, Shanghai Medical ... between the conventional CT and the first kV-CBCT based dose calculations Using the γ analysis with a criterion of mm and 2% and a threshold of 10%, more than 99.5% of the points at the iso-plane ... tumor and some normal structures of the three patients in the planning CT data sets and the first CBCT data sets The differences of the dose to tumor and some normal tissues were within 1% and...
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Báo cáo khoa học: "An investigation of intensity-modulated radiation therapy versus conventional two-dimensional and 3D-conformal radiation therapy for early stage larynx cancer" ppt
... the mainstay of treatment Because both treatment modalities offer similar rates of cure, decisions regarding which therapy to pursue often lie on the anticipated toxicity profile of a particular ... Characteristics of Treatment Plans, 0.5 cm PTV Margin (Dose in cGy on Y-axis) of any therapy is cure, larynx preservation, high voice quality and overall high quality of life Radiation therapy has ... squamous cell carcinoma of the glottic larynx treated with radiation therapy: relationship of dose-fractionation factors to local control and complications International journal of radiation oncology,...
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Báo cáo khoa học: "Plan comparison of volumetric-modulated arc therapy (RapidArc) and conventional intensitymodulated radiation therapy (IMRT) in anal canal cancer" doc
... Role of mitomycin in combination with fluorouracil and radiotherapy, and of salvage chemoradiation in the definitive nonsurgical treatment of epidermoid carcinoma of the anal canal: results of ... Pierart M: Concomitant radiotherapy and chemotherapy is superior to radiotherapy alone in the treatment of locally advanced anal cancer: results of a phase III randomized trial of the European Organization ... received 95% of the prescribed dose No more than 2% of the PTV was allowed to receive more than 107% of the prescribed dose Planning techniques and objectives Three sets of plans were generated and compared...
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Báo cáo y học: " Surgical management of abdominal compartment syndrome; indications and techniques" potx
... major source of morbidity is associated with the management and complications of the open abdomen Management of the open abdomen In view of the complicated and often fatal outcome of patients ... careful management and better understanding of the open abdomen, there is a high risk of persistent open abdomen requiring split-thickness skin grafting and delayed reconstruction of the abdominal ... selection of the technique has to be individualized and based on common sense and weighing the pros and cons of each technique The midline laparostomy is relatively safe, easy to perform and nearly...
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Miller puckette theory and techniques of electronic music
... earlier generations of equipment The computer, however, is relatively cheap and the results of using one are much easier to document and re-create than those of earlier generations of equipment In ... measures of amplitude for them Amplitude and other measures are best thought of as applying to a window, a fixed range of samples of the signal For instance, the window starting at sample M of length ... both x[n] and y[n] are allowed to take negative and positive values and/ or to change quickly, the effect of multiplying them can’t be described as simply changing the amplitude of one of them;...
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chemical engineering design principles, practice and economics of plant and process design
... references of laws, standards, and codes of practice, as they are updated frequently All of the costs and examples have been put on a U.S basis, and examples have been provided in both metric and conventional ... of international standards The European countries used to maintain their own national standards, but these are now being superseded by common European standards Lists of codes and standards and ... point of view of initial capital cost The design methods given in the codes and standards are, by their nature, historical, and not necessarily incorporate the latest techniques The use of standards...
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Báo cáo khoa học: "Does the surgeon still have a role to play in the diagnosis and management of lymphomas?" docx
... real impact and usefulness of video-assisted thoracoscopic surgery in the diagnosis and therapy of clinical lymphadenopathies of the mediastinum Ann Surg Oncol 2003, 10:1197-1202 Page of (page number ... believed to debulk the disease mass and offer a more precise target for radiotherapy The advent of computed tomography brought about the demise of staging laparotomies and splenectomy is now limited ... admission and leaves no scar [3] In addition to confirming the diagnosis of Number of New Registrations in Wales 350 HD http://www.wjso.com/content/6/1/13 lymphomas, one of the important roles of FNAC...
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Báo cáo khoa học: " Concurrent capecitabine and upper abdominal radiation therapy is well tolerated" ppsx
... abdominal radiation therapy was well tolerated with concurrent capecitabine at a dose of 800–900 mg/m2 twice daily on days of radiation treatment Only 6% of patients had grade acute toxicity and no ... of 600 and 800 mg/m2 twice daily, but of patients experienced grade diarrhea at a dose level of 1000 mg/m2 twice daily Schneider et al performed a prospective study of capecitabine and radiotherapy, ... during or immediately after chemoradiation, of whom (3%) were hospitalized due to acute toxicity A radiation treatment break of day was required in patients, and radiotherapy was stopped early in...
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Frontiers of Radiation Therapy and Oncology Vol. 34 doc
... mechanisms of acute radiation injury in different organs Pathogenesis of Chronic Radiation Damage The pathogenesis of chronic radiation damage is even more complex than that of acute radiation damage and ... recurrences of mm and 12 mm it was 30% and 60%, respectively [11] Radiotherapy Aims at Local Control, Which Significantly Depends on the Dose of Irradiation The main goal of radiotherapy is to ... conformal and stereotactic techniques, dosimetry as well as in target volume concepts, and clinical studies have been performed This peer-reviewed volume of Frontiers of Radiation Therapy and Oncology...
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Báo cáo khoa học: "Comparison of coplanar and noncoplanar intensity-modulated radiation therapy and helical tomotherapy for hepatocellular carcinom" pot
... Commission of Radiation Units and Measurements: ICRU 62 Bethesda, MD; 1999 Sheng K, Molloy JA, Read PW: Intensity-modulated radiation therapy (IMRT) dosimetry of the head and neck: a comparison of treatment ... al Radiation Oncology 2010, 5:40 http://www.ro-journal.com/content/5/1/40 Page of Table 1: Comparison of dosimetric parameters for irradiation of portal vein thrombosis and target volumes and ... the motion uncertainty in radiation therapy Conclusions To sum up, our results suggest that noncoplanar IMRT and HT are potentially effective techniques of radiation therapy for HCC patients with...
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Báo cáo khoa học: " Stereotactic body radiation therapy for melanoma and renal cell carcinoma: impact of single fraction equivalent dose on local control" ppt
... imaging following SBRT for RCC and melanoma and the overall survival of this population of patients, with the intent of offering guidance for proper patient selection Page of Methods We retrospectively ... presence of or fewer individual sites of disease The superior outcome of patients defined as oligometastatic by this definition was expected, and this or a similar cutoff level of sites of disease ... understand the potential benefits of SBRT for these histologies, we undertook a review of our institutional experience at the University of Colorado involving the use of SBRT for RCC and melanoma...
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Báo cáo khoa học: "Improved survival following surgery and radiation therapy for olfactory neuroblastoma: analysis of the SEER database" pdf
... unimodal distribution of ages with most cases between the ages of 40 and 70 years old (mean age was 53 years, SD of 18) The majority of cases were treated with both surgery and radiotherapy (61%), were ... (surgery and radiotherapy, surgery only, radiotherapy only, and neither surgery nor radiotherapy) (p < 0.01) The percentage of cases surviving five years by treatment modality was: 73% for surgery and ... surgery and radiation therapy for olfactory neuroblastoma: analysis of the SEER database Radiation Oncology 2011 6:41 Submit your next manuscript to BioMed Central and take full advantage of: •...
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Báo cáo khoa học: "Reirradiation of head and neck cancer focusing on hypofractionated stereotactic body radiation therapy" pdf
... study of low-dose paclitaxel and cisplatin in combination with split-course concomitant twice-dailyreirradiation in recurrent squamous cell carcinoma of the head and neck: results of Radiation Therapy ... al.: Reirradiation of head and neck cancer focusing on hypofractionated stereotactic body radiation therapy Radiation Oncology 2011 6:98 Submit your next manuscript to BioMed Central and take ... cell carcinomas and at least a 6-month interval between prior radiation and reirradiation (61 recurrences and 18 second primaries) The patients received a split-course regimen of radiation (total...
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Báo cáo khoa học: "Effects of radiation therapy on tissue and serum concentrations of tumour associated trypsin inhibitor and their prognostic significance in rectal cancer patients" doc
... Gaber et al.: Effects of radiation therapy on tissue and serum concentrations of tumour associated trypsin inhibitor and their prognostic significance in rectal cancer patients Radiation Oncology ... collection of tissue samples and data AB participated in the conception of the study, BN assisted with the TMA construction and revision of the manuscript, UHS participated in revision of the manuscript, ... in the conception and design of the study, LBJ participated in the collection of tissue samples, data and revised the manuscript, KJ participated in the conception and design of the study, statistical...
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Báo cáo khoa học: " Implications of a high-definition multileaf collimator (HD-MLC) on treatment planning techniques for stereotactic body radiation therapy (SBRT): a planning study" pdf
... Tables and 3, in 51.7% of the IMRT cases, use of the HD120 MLC improved the conformality of the original plans by a mean value of 3.9% and up to a maximum value of 18.5% In 62.1% and 55.2% of the ... 3DCRT and DCA cases, respectively, use of the HD120 MLC also resulted in improved PTV dose conformality The mean and maximum improvements were 2.5% and 9.5% for the 3DCRT technique, and 2.4% and of ... conformity and normal/critical structure dose The mean values of the conformity and heterogeneity indices, along with p-values of paired t-tests comparing corresponding planning techniques of the...
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Báo cáo khoa học: " Comparison of CT and integrated PET-CT based radiation therapy planning in patients with malignant pleural mesothelioma" pot
... because of significant toxicity concerns Linden et al treated 47 MPM patients with a dose of 40 Gy in 20 fractions with and without chemotherapy and they informed that all of patients experienced radiation ... II and III MPM, and the authors reported accuracy of 77% for CT, 86% for PET, 80% for Magnetic Resonance Imaging (MRI), and 100% for PET-CT in patients with stage II disease, and accuracy of ... help enormously in resolving the problems of overestimation and underestimation of GTV and mitigate their negative consequences for radiation management of tumors at many sites, including MPM We...
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Báo cáo khoa học: " Whole brain radiation therapy in management of brain metastasis: results and prognostic factors" ppsx
... time of analysis were censored with the date of last follow-up The endpoint of the study was overall survival Survival was calculated from the first day of radiotherapy using the method of Kaplan ... were: age, sex, location of brain metastasis, primary tumor type, extent of disease, initial Karnofsky score, dose and fractionation radiotherapy schedule, neurosurgery and RPA class All factors ... diagnosis of brain metastasis, the follow variables were analyzed for survival: age, sex, location of brain metastasis, primary tumor type, and extent of disease, initial Karnofsky score, dose and...
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Báo cáo khoa học: " Early observed transient prostate-specific antigen elevations on a pilot study of external beam radiation therapy and fractionated MRI guided High Dose Rate brachytherapy boost" doc
... beam radiation therapy (EBRT) and/ or brachytherapy are mainstays of local therapy Low dose rate (LDR) brachytherapy, with permanently implanted radioactive seeds, [2-6] and HDR brachytherapy, with ... 3, and were received hormone therapy for 7, and months respectively Page of (page number not for citation purposes) Radiation Oncology 2006, 1:28 ASTRO definition of biochemical failure, one of ... Wilcoxon rank Figure Beam Radiation External1 Transient PSA Elevations Following HDR Brachytherapy and Transient PSA Elevations Following HDR Brachytherapy and External Beam Radiation Pt = Patient...
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Báo cáo khoa học: " Enhanced radiation sensitivity and radiation recall dermatitis (RRD) after hypericin therapy – case report and review of literature" doc
... reports on Tamoxifen and tuberculostatic therapy are found in literature The time between the end of radiation and RRD varies extremely A median of 39 days with a range between Page of (page number ... detected in 11.3 % of patients Six percent of patients had taken St John's wort without the knowledge of the medical team and the pharmacist, in spite of additional interviews and seven of these patients ... manuscript PS and CS participated in the collection and analysis of the data OK participated in the conception of manuscript as well as the interpretation of the data of literature and drafting...
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