nutrition and radiation therapy
Báo cáo khoa học: "Improved survival following surgery and radiation therapy for olfactory neuroblastoma: analysis of the SEER database" pdf
... (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 ... received surgery only, 11% received radiation therapy alone and approximately 6% did not receive surgery or radiotherapy The distribution of treatment methods and outcomes among the 511 cases is ... sinuses) and C31.9 (accessory sinus, NOS) Information for the following treatment groups was queried: both surgery and radiotherapy, surgery only, radiotherapy only, neither surgery nor radiotherapy...
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Frontiers of Radiation Therapy and Oncology Vol. 34 doc
... technologies in conformal radiation therapy, dynamic intensity modulation and three-dimensional endovascular brachytherapy They also describe new tools of threedimensional brachytherapy and analyze clinical ... current understanding only of the effects of epidermal growth factor (EGF) and its receptor (EGFR) in cell and tumor response to radiation and their implications for tumor radiotherapy EGFR Signal ... emission tomography (PET) and di- Fig Stereotactic fixation (mask system made from Scotch cast bandages) and positioning equipment used in precision radiotherapy of head and neck and brain lesions gital...
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báo cáo hóa học:" Nutrition and inflammation serum biomarkers are associated with 12-week mortality among malnourished adults initiating antiretroviral therapy in Zambia" potx
... and a CD4+ lymphocyte count below 350 cells/mm3); were intending to start therapy the same day; met the BMI and/ or CD4 + threshold criteria; and agreed to adhere to the study visit schedule and ... albumin and hsCRP, and the hazard of death was non-linear (p < 0.10), and there was evidence that the association between albumin and the hazard of the combined endpoint of mortality and loss ... enrolment visit and the subsequent study visits at one, two, four, eight and 12 weeks post-ART initiation, participants were evaluated by a research nurse and a clinical officer and/ or a supervising...
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Báo cáo khoa học: "SemiIntensity-modulated radiation therapy (IMRT) vs. 3D conformal radiotherapy (3DCRT) in locally advanced rectal cancer (LARC): dosimetric comparison and clinical implications" pptx
... Tissue Avoidance Table and Figure summarize the mean D5 and V40 values for the bladder, SB, and rectum IMRT planning produced significantly lower D5 and V40 values for the bladder and the SB (p < 0.05) ... conformal radiotherapy (blue line) f3DCRT: modificated tridimensional conformal radiotherapy (pink line) IMRT: intensity modulated radiation therapy (green line) Table Homogeneity and Conformity ... f3DCRT (B and E) and IMRT (C and F) The orange line represents the 95% isodose c3DCRT: conventional tridimensional conformal radiotherapy f3DCRT: modificated tridimensional conformal radiotherapy...
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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
... changes for head -and- neck patients, including nodal mass shrinkage and patient weight loss during the course of radiation therapy, can occur [28,29] For these cases, repeat CT imaging and re-planning ... KV-cone beam CT Radiotherapy and oncology 2006, 81(Supplement 1):26 27 Brock KK: Image registration in intensity-modulated, image-guided and stereotactic body radiation therapy Front Radiat Ther ... of kilovoltage X-ray volume imaging in patient dose calculation for head -and- neck and partial brain radiation therapy Radiation Oncology 2010, 5:29 Page 10 of 10 ...
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Báo cáo khoa học: "Comparison of coplanar and noncoplanar intensity-modulated radiation therapy and helical tomotherapy for hepatocellular carcinom" pot
... AT: Dosimetric analysis and comparison of three-dimensional conformal radiotherapy and intensity-modulated radiation therapy for patients with hepatocellular carcinoma and radiation- induced liver ... Leibel SA, Fishman EK: 194 hepatocellular cancers treated by radiation and chemotherapy combinations: toxicity and response: a Radiation Therapy Oncology Group Study Int J Radiat Oncol Biol Phys ... MJC and KHC took care of patients HCT, NSC and HJT made the treatment planning and carried out all plans comparisons and evaluations DYCH and YJ C participated in manuscript preparation and study...
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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
... investigation of intensitymodulated radiation therapy versus conventional two-dimensional and 3D-conformal radiation therapy for early stage larynx cancer Radiation Oncology 2010 5:74 Submit ... Intensity-modulated radiation therapy for prostate cancer: late morbidity and results on biochemical control Radiother Oncol 2007, 82:160-166 Kim K, Wu HG, Kim HJ, et al: Intensity-modulated radiation therapy ... dose radiation to the carotid arteries can lead to vascular disease Several reports have shown that head and neck radiation using conventional techniques can cause carotid artery stenosis and...
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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
... intensitymodulated radiation therapy (IMRT) and chemotherapy Radiother Oncol 2009, 93:298-301 10 Pepek JMWCG, Clough RW, Wu QJ, Yoo S, Czito BG: Intensity Modulated Radiation Therapy (IMRT) for ... intensitymodulated radiation therapy (IMRT) Int J Radiat Oncol Biol Phys 2003, 57:543-552 Randall ME, Ibbott GS: Intensity-modulated radiation therapy for gynecologic cancers: pitfalls, hazards, and cautions ... volumetricmodulated arc therapy (RapidArc) and conventional intensitymodulated radiation therapy (IMRT) in anal canal cancer Radiation Oncology 2010 5:92 Submit your next manuscript to BioMed Central and take...
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Báo cáo khoa học: "Whole abdomen radiation therapy in ovarian cancers: a comparison between fixed beam and volumetric arc based intensity modulation" ppt
... Southern Switzerland, Bellinzona, Switzerland Authors’ contributions UM carried out the study conception and design and drafted the manuscript LC carried out the study conception and design and drafted ... collection and analysis, GN performed data collection and analysis, AC performed data collection and analysis, EV performed data collection and analysis, SS performed data collection All authors read and ... complete surgical remission after induction chemotherapy: a randomized, controlled, clinical trial comparing whole abdominal radiotherapy, chemotherapy, and no further treatment Int J Gynecol Cancer...
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Báo cáo khoa học: "Comparison of conformal and intensity modulated radiation therapy techniques for treatment of pelvic tumors. Analysis of acute toxicity" pdf
... Organization on Radiation Therapy Consortium; GI: Gastrointestinal; GU: Genitourinary; ICRU: International Comission on Radiation Unit and Mensurements; IMRT: Intensity Modulated Radiation Therapy; ... 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: ... GI and GU toxicities during the RT Symptoms and treatment were recorded on the chart We retrospectively reviewed these charts and graded acute GI and GU toxicities by the RTOG/EORTC acute radiation...
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Báo cáo khoa học: "Postmastectomy irradiation in breast in breast cancer patients with T1-2 and 1-3 positive axillary lymph nodes: Is there a role for radiation therapy" ppsx
... first and liver metastasis subsequently Two Table The distribution of recurrences and survivals in radiotherapy and no-radiotherapy group Radiotherapy Group Radiotherapy n = 66 NoRadiotherapy ... For the entire group, LRR and DM rates were 7% and 20%, respectively, and years actuarial DFS and OS rates were 73.6% and 81.9%, respectively Differences between RT and no-RT groups were statistically ... extension, lymphatic, vascular and perineural invasion, and ratio of involved nodes/ dissected nodes), and treatment-related factors (PMRT, chemotherapy and hormonal therapy) were analyzed (Table...
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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
... inclusion criteria and were analyzed Overall, 17 Fractionation schedules and conversion to single fraction equivalent dose (SFED) and biological equivalent dose (BED) Stinauer et al Radiation Oncology ... melanoma and RCC lesions Page of We generated TCP graphs using both SFED and BED (Figure 2) Both SFED and BED had a strong coefficient of determination to predict future outcomes (SFED R = 0.999 and ... Habermalz HJ, Fischer JJ: Radiation therapy of malignant melanoma: experience with high individual treatment doses Cancer 1976, 38:2258-2262 Onufrey V, Mohiuddin M: Radiation therapy in the treatment...
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Báo cáo khoa học: "Intensity modulated radiation therapy (IMRT): differences in target volumes and improvement in clinically relevant doses to small bowel in rectal carcinoma" pps
... reviewed and deemed clinically acceptable by both a gastrointestinal clinical physicist and radiation oncologist Plan evaluation and statistical tools Evaluated volumes included the PTV and relevant ... out the study conception and design and drafted the manuscript MBP performed treatment planning TMB and SB performed physics checks/plan evaluation Patient accrual and radiation field design were ... reduction of acute and late effects associated with pelvic irradiation Int J Radiat Oncol Biol Phys 1986, 12:1565-1573 21 Hall EJ: Intensity-modulated radiation therapy, protons, and the risk of...
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Báo cáo khoa học: "Reirradiation of head and neck cancer focusing on hypofractionated stereotactic body radiation therapy" pdf
... 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 ... salvage surgical resection and 36 (49%) received chemotherapy The median reirradiation dose was 60 Gy and the median lifetime radiation dose was 116.1 Gy Severe irradiation-related toxicity occurred ... 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...
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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
... tumour tissue and normal mucosa before and after radiotherapy Box plots showing TATI expression levels in tumour tissue before and after RT (A), and in normal mucosal tissue before and after RT ... the associations between tTATI and s-TATI concentrations, before and after RT, and clinicopathological parameters, including s-CEA and s-creatinine Classification and regression tree (CRT) analysis ... Angenete E, Oresland T, Falk P, Breimer M, Hultborn R, Ivarsson ML: Preoperative radiotherapy and extracellular matrix remodeling in rectal mucosa and tumour matrix metalloproteinases and plasminogen...
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Báo cáo khoa học: "Acute and late toxicity in prostate cancer patients treated by dose escalated intensity modulated radiation therapy and organ tracking" pps
... radiotherapy; FU = follow-up; Tox = toxicity score used; Ref = reference; 3D = three-dimensional conformal radiation therapy; IMRT = intensity modulated radiation therapy; RTOG = Radiation Therapy ... received combined androgen blockade (CAB) consisting of antiandrogen and gonadotropin releasing hormone analogue (GnRH) Three patients received antiandrogen monotherapy Pre-irradiation HT was ... Q, Daya D, Dayes IS, Lukka HR, Levine M: Randomized trial comparing iridium implant plus external-beam radiation therapy with external-beam radiation therapy alone in node-negative locally advanced...
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Báo cáo khoa học: "Target splitting in radiation therapy for lung cancer: further developments and exemplary treatment plans" pps
... withdrawn and the primary tumor alone is treated to 79,2 Gy V20 right and left lung and V25 both lungs is 49%, 22% and 26%, respectively V50 for the heart is 2% Peripheral tumor located lateral and ... Sohn J, Suh J, Pohar S: A method for delivering accurate and uniform radiation dosages to the head and neck with asymmetric collimators and a single isocenter Int J Radiat Oncol Biol Phys 1995, ... of junction plane and upper and lower borders, doses (Gy) B Treatment plan single fraction C Overall treatment plan D DVHs Page of 10 (page number not for citation purposes) Radiation Oncology...
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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
... MR: Trimodality therapy with inductin chemotherapy followed by extrapleural pnemonectomy and adjuvant high-dose extrapleural pneumonectomy and adjuvant high-dose hemithoracic radiation for malignant ... stage 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 ... margin, and PTV2 was created with a 1-cm margin to the GTV All volumes were defined again on integrated PET-CT images Lungs (right and left separately), liver, heart, esophagus, and kidneys (right and...
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Báo cáo khoa học: " The TGF-β1 dynamics during radiation therapy and its correlation to symptomatic radiation pneumonitis in lung cancer patients" potx
... 63:324-333 Marino P, Preatoni A, Cantoni A: Randomized trials of radiotherapy alone versus combined chemotherapy and radiotherapy in stages IIIa and IIIb non-small cell lung cancer a meta-analysis ... A: Radiotherapy alone versus combined chemotherapy and radiotherapy in unresectable non-small cell lung carcinoma Lung Cancer 1994, 10(Suppl 1):S239-S244 Mehta V: Radiation pneumonitis and pulmonary ... patients at six points: before treatment and at the beginning, in the middle of and at the end of RT and at and weeks after the completion of RT By using meticulous handling procedure, the blood samples...
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Báo cáo khoa học: " Whole brain radiation therapy in management of brain metastasis: results and prognostic factors" ppsx
... type, and extent of disease, initial Karnofsky score, dose and fractionation radiotherapy schedule, surgery, chemotherapy and RPA class, showed in table The supportive care (oral prednisone) and ... metastasis and higher KPS The Radiation Therapy Oncology Group (RTOG) has attempted to determine the optimal dose fractionation schedules for patients with brain metastasis in various randomized ... randomized Japanese trial, JROSG 99-1, patients were randomly assigned to SRS alone, versus WBRT and SRS The actuarial month freedom from new brain metastases was 48% in the SRS alone arm, and...
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