<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">Virtual human models, a.k.a. voxel models, are currently the <italic>state of the art</italic> in radiation protection for computing organ irradiation doses without difficult or morally unfeasible experiments. They are based on medical image data of human patients and offer a realistic, three dimensional representation of human anatomy.We present our newest voxel model Katja, a virtual woman in the 24th week of pregnancy. Katja integrates two previous voxel models, one obtained from the abdominal MRI scan of a pregnant patient and an already segmented model of a non-pregnant woman. The latter is the ICRP-AF, fitting the reference values for standard height, weight and organ masses given by the Internationals Committee of Radiological Protection (ICRP). The dataset was altered in order to fit the segmented foetus taken from the abdominal MRI scan. The resulting pregnant woman model, Katja, complies with the ICRP reference values for the adult female.</abstract>

Virtual human models, a.k.a. voxel models, are currently the state of the art in radiation protection for computing organ irradiation doses without difficult or morally unfeasible experiments. They are based on medical image data of human patients and offer a realistic, three dimensional representation of human anatomy.We present our newest voxel model Katja, a virtual woman in the 24th week of pregnancy. Katja integrates two previous voxel models, one obtained from the abdominal MRI scan of a pregnant patient and an already segmented model of a non-pregnant woman. The latter is the ICRP-AF, fitting the reference values for standard height, weight and organ masses given by the Internationals Committee of Radiological Protection (ICRP). The dataset was altered in order to fit the segmented foetus taken from the abdominal MRI scan. The resulting pregnant woman model, Katja, complies with the ICRP reference values for the adult female.

Katja — the 24th week of virtual pregnancy for dosimetric calculations

Helmholtz Zentrum Munchen, German Research Center for Environmental Health, Neuherberg, Germany

Polish Journal of Medical Physics and Engineering

Katja — the 24 week of virtual pregnancy for dosimetric calculations

Virtual human models, a.k.a. voxel models, are currently the state of the art in radiation protection for computing organ irradiation doses without difficult...

Katja — the 24^th week of virtual pregnancy for dosimetric calculations

Published Online: Dec 29, 2008

Page range: 13 - 20

DOI: https://doi.org/10.2478/v10013-008-0002-4

Keywords
voxel models, pregnancy, organ dose simulation, ICRP-AF, ICRP reference

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