Comparison of computational phantoms and investigation of the effect of biodistribution on activity estimations
Artikel i vetenskaplig tidskrift, 2015

We have made a comparison between two computational phantoms, modeled from the unified phantom UPh-08T, for whole-body counting applications. One of these was further compared with the ICRP reference adult male computational phantom. The simulations that were performed for the comparison of all three voxel phantoms use various distributions of 60Co. The two voxel phantoms of the UPh-08T showed good agreement, despite different methods of phantom modeling. Also, effects on efficiency of the inhomogeneous distribution of a radionuclide in the computational UPh-08T phantom were studied, using the realistic biodistribution of 140La. Our results show that the activity estimation of radionuclides, which are inhomogeneously distributed in the human body, will be in error if a homogeneous distribution is assumed for the calibration of whole-body counting systems.

Författare

Petty Bernitt Cartemo

Chalmers, Teknisk fysik, Nukleär teknik

Jenny Nilsson

Göteborgs universitet

Mats Isaksson

Göteborgs universitet

Anders Nordlund

Chalmers, Teknisk fysik, Nukleär teknik

Radiation Protection Dosimetry

0144-8420 (ISSN)

Vol. Epub ahead of print 358-364

Fundament

Grundläggande vetenskaper

Ämneskategorier

Radiologi och bildbehandling

DOI

10.1093/rpd/ncv415

PubMed

26410764