3D conformal radiation therapy
3DCRT Versus RapidArc in Terms of Iso-Dose Distribution, Dose Volume Histogram (DVH) and Organs at Risk for Esophageal Cancer (EC) Dosimetric Study
... to 3D conformal radiotherapy (3D-CRT) or 2D-RT based on dosimetric analysis [44, ...arc therapy (VMAT), a novel form of IMRT that was first proposed by Yu in ...used radiation technique ...
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RADIATION THERAPY IN CERVICAL CANCER: COMPARATIVE STUDY OF 3D ADVANCED CONFORMAL TECHNIQUE AND CLASSIC «BOX TECHNIQUE
... precision radiation delivery like IMRT allow the dose to be "sculpted" to the tumor volume while at the same time minimizing the dose to adjacent dose-limiting normal tissues [6] , thereby offering greater ...
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<p>Primary tumor regression patterns in esophageal squamous cell cancer treated with definitive chemoradiotherapy and implications for surveillance schemes</p>
... three-dimensional conformal radiation therapy; AJCC, American Joint Committee on Cancer; CR, complete response; CRT, chemoradiotherapy; CT, computed tomogra- phy; CTV, clinical target volume; DFFS, ...
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Troeller, Almut (2017): Normal tissue complication probability modelling: influence of treatment technique, fractionation, and dose calculation algorithm. Dissertation, LMU München: Medizinische Fakultät
... techniques: Radiation ther- apy is a rapidly evolving field in which new treatment techniques are constantly incorporated into the clinical ...diation therapy (IMRT) and volumetric modulated arc ...
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Radiobiological comparison of 3D conformal and intensity modulated radiation therapy in the treatment of left-sided breast cancer
... dimensional conformal radiation therapy (3D-CRT) and intensity-modulated radiation therapy (IMRT) for left-sided breast cancer using radiobiological ...for 3D-CRT and 6-9 ...
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Dosimetric influence of Flattening Filter (FF) and Flattening Filter Free (FFF) 6 and 10 MV photon beams on Volumetric Modulated Arc Therapy (VMAT) planning in case of prostate carcinoma
... of radiation with IMRT and VMAT are larger than conventional conformal ...from 3D-CRT to IMRT may result in an increase in second malignancies (3) ...
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Dosimetric Comparison of Intensity Modulated Radiotherapy versus Three Dimensional Conformal Radiotherapy for Patients with Brain Tumors
... Three-dimensional conformal radiation therapy uses computed tomography planning to generate 3D volumes of a patients’ anatomy. Using this information, multiply-shaped beams may be designed to ...
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Acute toxicity in comprehensive head and neck radiation for nasopharynx and paranasal sinus cancers: cohort comparison of 3D conformal proton therapy and intensity modulated radiation therapy.
... the Radiation Therapy Oncology Group 0615 phase II trial in nasopharynx cancer [40], the oral cavity mean dose fell close to (node positive) or below (node negative) proposed oral cavity constraints [24], ...
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Non-coplanar volumetric-modulated arc therapy (VMAT) for craniopharyngiomas reduces radiation doses to the bilateral hippocampus: A planning study comparing dynamic conformal arc therapy, coplanar VMAT, and non-coplanar VMAT
... of radiation techniques, 3D conformal exter- nal beam radiotherapy (3D-CRT) delivered using dy- namic conformal arc therapy (DCAT), intensity- modulated radiotherapy (IMRT), and ...
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Evaluation of Efficacy and Toxicity of Helical Tomotherapy in the Treatment of Patients with Nasal NK/T Cell Lymphoma
... chemo- therapy followed by irradiation and then with sequential ...three-dimensional conformal radiotherapy (3D-CRT) and intensity modulated radiation therapy (IMRT) performed with HT, ...
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High Dose Three Dimensional Conformal Boost Using the Real Time Tumor Tracking Radiotherapy System in Cervical Cancer Patients Unable to Receive Intracavitary Brachytherapy
... The treatment characteristics of the patients are summa- rized in Table 2. Nine patients received a whole pelvis RT with a median dose of 50 Gy (range, 40-50 Gy). Midline shielding was performed in six patients after a ...
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Model-based cost-effectiveness analysis of external beam radiation therapy for the treatment of localized prostate cancer: a systematic review
... of radiation are focused on the pros- tate gland from a machine outside the ...beam radiation therapies for prostate cancer include three-dimensional conformal radiation therapy ...
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A CUSTOM MADE PHANTOM FOR DOSIMETRIC AUDIT AND QUALITY ASSURANCE OF THREE-DIMENSIONAL CONFORMAL RADIOTHERAPY
... The ultimate check of the actual dose delivered to a patient in radiotherapy can be achieved by using dosimetric measurements. The aims of this study were to develop and evaluate a custom handmade head and neck phantom ...
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Dosimetric study of SIB-IMRT versus SIB-3DCRT for breast cancer with breath-hold gated technique
... modulated radiation therapy (IMRT) with 3D conformal tangential wedged beams, and showed the reduction of dose to the coronary arteries, contra lateral breast, ipsilateral lung, and ...
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Chemoradiation versus oesophagectomy for locally advanced oesophageal cancer in Chinese patients: study protocol for a randomised controlled trial
... Methods/design: One hundred ninety-six patients with T1bN + M0 or T2-4aN0-2 M0 oesophageal squamous cell cancer will be randomised to the DCRT group or the surgery group. In the DCRT group, patients will be given ...
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Estimation of the risk of secondary malignancy arising from whole-breast irradiation: comparison of five radiotherapy modalities, including TomoHDA
... The 3D-CRT plan consisted two parallel opposed tangential ...the 3D-CRT plan but added sub-fields created by a multi-leaf collimator (MLC) for dose ...breast radiation therapy [12], with ...
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Cancer and Its Root Causes - A Historical Analysis
... A tumor suppressor gene—These are normal genes that control cell division, DNA repair and inform cells when to die. Cancer can be caused when a tumor suppressor gene doesn’t work properly; growth of the cell is out of ...
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Dosimetric Comparison between Three Dimensional Conformal Radiation Therapy (3DCRT) & Intensity Modulated Radiation Therapy (IMRT) in Mid Lower Oesophageal Carcinoma
... modulated radiation therapy (IMRT) of- fers a better planning target volume (PTV) coverage and/or lower dose to normal thoracic structures in comparison to three dimensional conformal ...
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Comparison of six irradiation techniques for delivering hypofractionated whole-breast radiotherapy with a simultaneous integrated boost after breast-conserving surgery
... er radiation dose on local control and survival in breast- conserving therapy of early breast cancer: 10-year results of the randomized boost versus no boost EORTC 22881- 10882 ...
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Lymphocyte-to-monocyte ratio before chemoradiotherapy represents a prognostic predictor for locally advanced rectal cancer
... The systemic inflammatory data (lymphocyte and monocyte counts), carcinoembryonic antigen (CEA) and cancer antigen 199 (CA199) were collected from routine blood tests that were taken before neoadjuvant therapy. ...
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