نتایج جستجو برای: conformal therapy
تعداد نتایج: 674271 فیلتر نتایج به سال:
the years 1895 to 1898 were momentous for their impact on health and human well beings. first, wilhelm roentgen noted a glowing fluorescent screen, caused by invisible rays. this event subsequently led to the discovery of x-rays in 1895, and thus the birth of the “atomic age”. next becquerel’s investigations of these mysterious rays led to his experiments with uranium salt crystals. he thought ...
anxiety is one common disorder during childhood. in curing anxiety disorders, there are different types of psychological remedies, pharmotherapy, family therapy, and music therapy that can improve the individual’s anxiety, but we need some other remedies to improve social and emotional relationship and interactions. considering the importance of curing the anxiety disorders, the effect of sand ...
for a given riemannian manifold (m,g),it is an interesting question to study the existence of a conformal diffemorphism (also called as a conformal transformation) f : m ! m such that the metric g? = fg has one of the following properties: (i)(m; g?) has constant scalar curvature. (ii)(m; g?) is an einstein manifold.
Introduction: Modern radiotherapy (RT) techniques allow a highly precise deposition of the radiation dose in tumor. So, high conformal tumor doses can be reached while sparing critical organs at risk. Materials and Methods: This study was conducted in three phases. In the first phase; Fourteen patients with primary or recurrent prostate cancer receive Gallium-...
PURPOSE We assessed survival after radical prostatectomy, intensity modulated radiation therapy or conformal radiation therapy vs no local therapy for metastatic prostate cancer adjusting for patient comorbidity, androgen deprivation therapy and other factors. MATERIALS AND METHODS We identified men 66 years old or older with metastatic prostate cancer treated with radical prostatectomy, inte...
Introduction: The commonly used technique of radiation therapy for vulvar cancer consists of anteroposterior (AP) and posteroanterior (PA) fields. This is the first study that reports the dosimetric comparison between the AP-PA techniques and the new 3D advanced conformal technique (3D-ACT) based on the multiplicity of treatment fields in patients with squamous cell ca...
3 D conformal external beam radiation therapy for prostate carcinoma : an experiment of Instituto do
OBJECTIVE: To report the outcomes of 3D conformal radiation therapy for prostate cancer in a single institution. MATERIALS AND METHODS: From July 1997 to January 2002, 285 consecutive patients with prostate cancer were submitted to 3D conformal radiation therapy receiving a median dose of 7920 cGy to the prostate, and were retrospectively evaluated. The patients distribution according to the le...
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