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26  Articles
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Continuous gantry motion, continuous beam modulation, and variable dose rate are used in volumetric modulated arc therapy (VMAT) to obtain highly conformal radiation therapy dose distributions. Several errors during daily radiation therapy treatment can b... see more

Objective: To evaluate VMAT plans for conformity and homogeneity of radiation dose to the target in order to share our experience as a pioneering institute to use VMAT technology in Pakistan.Methods: Since December 2014 to January 2018, 530 patients of va... see more

Na radioterapia moderna, a técnica VMAT se tornou uma alternativa bem-sucedida de tratamento. Devido a sua complexidade, um programa de garantia de qualidade deve ser estabelecido, analisando, dentre outros, fatores dosimétricos. Este trabalho tem por obj... see more

Aim: In our study, we have dosimetrically compared two radiotherapy planning techniques (parallel opposed wedged tangents and volumetric modulated arc therapy using dual-mini–arcs) for intact lt breast (post lumpectomy for ca breast).Method: For the study... see more

Excellent treatment setup accuracy with highly conformal radiation technique will improve oral mucosal sparing by limiting uninvolved mucosal structures from receiving high dose radiation. Therefore, a study was conducted to identify the ideal immobilizat... see more

AbstractBackground: External beam radiotherapy (EBRT) is essential in the management of locally advanced cervical cancer (LACC). Volumetric modulated arc therapy (VMAT) is thought to achieve higher conformity to the planned target volume (PTV) and better ... see more

O estado-da-arte de tratamento de câncer de pulmão é realizado com a modalidade de radioterapia estereotática ablativa (SBRT). O planejamento do tratamento envolve imagens de tomografia em quatro dimensões (4DCT). Para utilização da técnica de gating, a i... see more

As técnicas de radioterapia vem sendo constantemente modificadas com a implementação de novas tecnologias visando aumentar a eficiência e diminuir a toxicidade dos tratamentos com radiação ionizante. Esse trabalho visa comparar as técnicas de radioterapia... see more

Para Multi Leaf Collimator (MLC) de ponta arredondada, o sistema de planejamento Eclipse (Varian) exige a medida do Fator de transmissão (FT) e Dosimetric Leaf Gap (DLG) para Intensity Modulated Radiation Therapy (IMRT) e Volumetric Modulated Arc Therapy ... see more

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