نتایج جستجو برای: 90 sr 90 y source
تعداد نتایج: 1124436 فیلتر نتایج به سال:
AIM To analyse local tumour control, radiation related complications, visual acuity, enucleation rate, and survival after brachytherapy of small to medium sized choroidal melanoma (CM) with a high dose rate (HDR) strontium-90 (Sr-90) applicator. METHODS From 1983 until 2000, 98 eyes with CM were treated with Sr-90 brachytherapy. The main outcome measures were actuarial rates of the patients' ...
Background: It is known that pterygia above a certain size cause astigmatism and other aberrations of the human cornea thus impair quality vision. Exclusive Sr-/Ytt-90 beta irradiation highly effective treatment for primary pterygia. The aim this retrospective study to determine extent which higher order corneal are affected by treatment. Methods: Evaluation topographies wavefront aberration da...
PURPOSE The potential of P-32 ophthalmic applicator irradiation after pterygium excision has been demonstrated as an alternative to Sr∕Y-90 irradiation. This study aimed to provide the clinical dosimetry for this new applicator. METHODS The prototype of a cylindrical P-32 applicator was fabricated according to the Monte Carlo (MC)-based design study. At a nominal activity of 6 mCi (0.22 GBq),...
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