LIR Garcia… - Medical Physics, 2011 - link.aip.org Purpose: To propose a method to calculate the tissue phantom ratio (TPR) using the depth dose and to compare the proposed method with two other methods.Methods: An analytical dose model from Bjärngard was used to describe the depth dose and the TPR. The parameters of the ... Related articles
R Krauss, M Morales, C Coffey… - Medical Physics, 2011 - link.aip.org Purpose: To examine the accuracy of different methods of converting percentage depth dose (PDD) curves to tissuephantom ratios (TPR) for small cones by ... curves to correct for the increasing field size with increasing depth; and 3.) by using method 2 in addition to a ratio of field ...
RF Havre, JR Waage, OH Gilja… - Ultraschall in der …, 2011 - ncbi.nlm.nih.gov ... an elastogram. The aim of this study was to evaluate the impact of the size and location of a reference area when measuring the strain ratio of focal lesions in a tissue-mimicking phantom and in normal liver tissue. We also investigated ...
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