نتایج جستجو برای: accidental dosimetry

تعداد نتایج: 35102  

2015
Ganesh Narayanasamy Travis Zalman Chul S. Ha Niko Papanikolaou Sotirios Stathakis

The purpose of this study is to evaluate the use of the Dosimetry Check system for patient-specific IMRT QA. Typical QA methods measure the dose in an array dosimeter surrounded by homogenous medium for which the treatment plan has been recomputed. With the Dosimetry Check system, fluence measurements acquired on a portal dosimeter is applied to the patient's CT scans. Instead of making dose co...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2004
George Sgouros Katherine S Kolbert Arif Sheikh Keith S Pentlow Edward F Mun Axel Barth Richard J Robbins Steven M Larson

UNLABELLED Compared with conventional, whole-organ, S-factor-based dosimetry, 3-dimensional (3D), patient-specific dosimetry better accounts for radionuclide distribution and anatomic patient variability. Its accuracy, however, is limited by the quality of the cumulated activity information that is provided as input. This input has typically been obtained from SPECT and planar imaging studies. ...

Journal: :Annali dell'Istituto superiore di sanita 2009
Clemens Woda Céline Bassinet François Trompier Emanuela Bortolin Sara Della Monaca Paola Fattibene

The increasing risk of a mass casualty scenario following a large scale radiological accident or attack necessitates the development of appropriate dosimetric tools for emergency response. Luminescence dosimetry has been reliably applied for dose reconstruction in contaminated settlements for several decades and recent research into new materials carried close to the human body opens the possib...

Journal: :Philosophia 2008

Journal: :British Journal of Ophthalmology 1957

Journal: :Res Medica 2013

Journal: :Cultural Studies Review 2019

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