conformal radiation therapy and highly selective and novel photon irradiation techniques

... 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 ... 0.3 cm have been utilized with conformal techniques We found in this study that, while IMRT and 3D conformal techniques were similar in terms of target coverage and the “clinically meaningful” ... 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...

Ngày tải lên: 09/08/2014, 09:20

... in 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 ... technologies in conformal radiation therapy, dynamic intensity modulation and three-dimensional endovascular brachytherapy They also describe new tools of threedimensional brachytherapy and analyze ... – Fiction and Facts Trott, K.R (London) 17 Epidermal Growth Factor and Its Receptor in Tumor Response to Radiation Milas, L (Houston, Tex.) 26 New Technologies in Conformal Radiation Therapy Schlegel,...

Ngày tải lên: 28/03/2014, 11:20

... AT: Dosimetric analysis and comparison of three-dimensional conformal radiotherapy and intensity-modulated radiation therapy for patients with hepatocellular carcinoma and radiation- induced liver ... IMRT, and helical tomotherapy Page of Figure The conformal index (CI) for each individual patient undergoing coplanar intensity-modulated radiotherapy (IMRT), noncoplanar IMRT, and helical tomotherapy ... 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...

Ngày tải lên: 09/08/2014, 08:23

... 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 ... prostate cancer: The results of a randomized comparative trial of high dose irradiation boosting with conformal protons compared with conventional dose irradiation using photons alone Int J Radiat Oncol...

Ngày tải lên: 09/08/2014, 09:22

... 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...

Ngày tải lên: 09/08/2014, 10:20

... Brachytherapy and Transient PSA Elevations Following HDR Brachytherapy and External Beam Radiation Pt = Patient Init PSA = Initial PSA Patients 1, 3, and were received hormone therapy for 7, and ... 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 ... greater than months of adjuvant hormone therapy were excluded Five patients received no hormone therapy and patients received neo-adjuvant and concurrent hormonal therapy, which was discontinued after...

Ngày tải lên: 09/08/2014, 10:21

... were studied, conformal pelvic vessel targeting and conformal normal tissue avoidance, using the unique capabilities of a TomoTherapy treatment planning and image-guidance and IMRT radiation delivery ... WS, Radiation Therapy Oncology Group 9413: Phase III trial comparing whole-pelvic versus prostate-only radiotherapy and neoadjuvant versus adjuvant combined androgen suppression: Radiation therapy ... long-term androgen suppression therapy [3,4] A recently completed RTOG (Radiation Therapy Oncology Group) prospective randomized phase III trial shows that whole pelvic nodal irradiation improves biochemical...

Ngày tải lên: 09/08/2014, 10:21

... tridimensional 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 ... Conformity index c3DCRT: classic tridimensional conformal radiotherapy; f3DCRT: fitting tridimensional conformal radiotherapy, IMRT: intensity modulated radiation therapy; GTV: gross tumor volume; CTV:...

Ngày tải lên: 09/08/2014, 08:22

... 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: ... Organization on Radiation Therapy Consortium; GI: Gastrointestinal; GU: Genitourinary; ICRU: International Comission on Radiation Unit and Mensurements; IMRT: Intensity Modulated Radiation Therapy; ... 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...

Ngày tải lên: 09/08/2014, 09:20

... is both autonomic (sympathetic and parasympathetic) and somatic (sensory and motor) From the neurons in the spinal cord and peripheral ganglia, the sympathetic and parasympathetic nerves merge ... bioavailability, and also stimulate RhoA/Rho-kinase 10 Erectile Dysfunction – Disease-Associated Mechanisms and Novel Insights into Therapy activity44-45 Additionally, both Ang II 46 and AT1 47 were ... 16 Erectile Dysfunction – Disease-Associated Mechanisms and Novel Insights into Therapy Conclusion The molecular and clinical understanding of ED continues to gain ground at a particularly fast...

Ngày tải lên: 23/03/2014, 17:20

... is both autonomic (sympathetic and parasympathetic) and somatic (sensory and motor) From the neurons in the spinal cord and peripheral ganglia, the sympathetic and parasympathetic nerves merge ... bioavailability, and also stimulate RhoA/Rho-kinase 10 Erectile Dysfunction – Disease-Associated Mechanisms and Novel Insights into Therapy activity44-45 Additionally, both Ang II 46 and AT1 47 were ... 16 Erectile Dysfunction – Disease-Associated Mechanisms and Novel Insights into Therapy Conclusion The molecular and clinical understanding of ED continues to gain ground at a particularly fast...

Ngày tải lên: 27/06/2014, 11:20

... than that of the blind injection technique, which is also feasible [48] Radiation and immunosuppressive therapy Radiation therapy for AS has successfully relieved spinal pain in the past, but the ... is evidence from the Berlin randomized, controlled trial and from case reports that anti-TNF therapy is beneficial in patients who are refractory to standard local and systemic treatment of enthesitis ... body weight at weeks 0, and 6) Significant efficacy was already noted on the first day of therapy Spinal pain, fatigue and morning stiffness in particular were ameliorated, and so was peripheral...

Ngày tải lên: 09/08/2014, 06:22

... than that of the blind injection technique, which is also feasible [48] Radiation and immunosuppressive therapy Radiation therapy for AS has successfully relieved spinal pain in the past, but the ... is evidence from the Berlin randomized, controlled trial and from case reports that anti-TNF therapy is beneficial in patients who are refractory to standard local and systemic treatment of enthesitis ... body weight at weeks 0, and 6) Significant efficacy was already noted on the first day of therapy Spinal pain, fatigue and morning stiffness in particular were ameliorated, and so was peripheral...

Ngày tải lên: 09/08/2014, 06:22

... 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 ...

Ngày tải lên: 09/08/2014, 08:23

... doses about 5, 10, and 20 Gy IMRT and RA plans showed similar results Figure Dose distribution by A: Intensity Modulated Radiation Therapy (IMRT) and B: Volumetric Modulated Arc Therapy (VMAT) RapidArc* ... 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 ... of prostate radiotherapy: comparison with intensity-modulated radiotherapy and three-dimensional conformal radiotherapy Int J Radiat Oncol Biol Phys 2008, 72:996-1001 17 Alexander AS, Wells D,...

Ngày tải lên: 09/08/2014, 09:20

... 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 ... arc therapy for delivery of prostate radiotherapy Comparison with intensity modulated Page of 24 25 26 27 28 29 30 31 32 33 34 35 36 37 radiotherapy and three-dimensional conformal radiotherapy ... target volume, and poor sparing of organs at risk leading to significantly higher toxicities [4,5] Traditionally, conventional radiotherapy techniques using AP/PA fields and 6-15 MV photon beams...

Ngày tải lên: 09/08/2014, 09:20

... 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...

Ngày tải lên: 09/08/2014, 09:20

... 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...

Ngày tải lên: 09/08/2014, 09:20

... (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...

Ngày tải lên: 09/08/2014, 09:20

... volume; IMRT = intensity modulated radiation therapy; 3FBB = field belly board; 3DCRT = dimensional conformal radiation therapy; HI = homogeneity index; CI = conformality index; for definitions ... 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 ... Abbreviations: MU = monitor units; IMRT = intensity modulated radiation therapy; 3FBB = field belly board; 3DCRT = dimensional conformal radiation therapy; denotes statistically significant difference...

Ngày tải lên: 09/08/2014, 09:20