نتایج جستجو برای: three dimensional conformal radiotherapy
تعداد نتایج: 1594406 فیلتر نتایج به سال:
Introduction:Radiotherapy (RT) plays an important role in treatment of head and neck cancers. In almost 75% of patients with head and neck cancers, RT as the main treatment method is used in order to radical or palliative treatment. Hearing loss is one of the side effects of RT for patients whose inner ear is included in radiation field. The aim of this study was to evaluate th...
Background: The aim of this study was to compare the differences of the dosimetric parameters between three-dimensional conformal radiotherapy (3D-CRT) and simultaneous-integrated boost intensity-modulated radiotherapy (SIB-IMRT) techniques in the prone and supine positions for breast irradiation. Materials and Methods: Ten patients underwent a computed tomography simulation in both the prone a...
Patients who have undergone solid organ transplants are known to have an increased risk of neoplasia compared with the general population. We report our experience using mediastinal irradiation with helical tomotherapy versus three-dimensional conformal radiation therapy to treat a patient with lung carcinoma 15 years after heart transplantation. Our dosimetric evaluation showed no particular d...
In recent years, radiotherapy for liver cancer has accomplished much technical progress. The history of radiotherapy for liver cancer shows an endeavor to overcome the problem of how to raise the irradiation dose to lesions while suppressing the unnecessary irradiation dose to normal liver tissue. With the appearance of treatment using X-ray radiotherapy represented by three-dimensional conform...
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