NDLI: Monte Carlo Simulations of Photon Absorbed Fractions in a Frog Voxel Phantom

Content Provider	IEEE Xplore Digital Library
Author	Kinase, S.
Copyright Year	1963
Abstract	For radiation protection of the environment, a voxel-based frog phantom was developed using cryosection data, which have been available on a Web site of the Lawrence Berkeley National Laboratory. The voxel-based frog phantom includes 16 segmented organs/tissues: brain, blood vessel, duodenum, eye, heart, ileum, kidneys, intestine, liver, lung, nerve, skeleton, soft tissue, spleen, stomach, and stomach contents. The voxel-based frog phantom has a mass of 3.37 times 10^-2 kg. The dimensions are 7.1 (length) times 3.3 (width) times 2.4 (height) cm³. The voxel size is 0.0175 times 0.0175 times 0.0175 cm³. In this paper, the voxel-based frog phantom is applied to evaluating photon absorbed fractions (AFs) in the segmented organs/tissues. The sources were assumed to be monoenergetic in the photon energy range from 10 keV to 4 MeV. The radiation transport was simulated using the Monte Carlo method. Consequently, it was confirmed that the photon AFs for organ self-absorption are dependent on the masses of the source/target organs. It would appear that the photon AFs for organ self-absorption are expressed by a continuous function of photon energy emitted by the source. The photon AFs for organ crossfire might be subject to the geometry effect, such as size and shape of source/target and distance between the source and target.
Sponsorship	IEEE Publication
Starting Page	2086
Ending Page	2097
Page Count	12
File Size	8171749
File Format	PDF
ISSN	00189219
Volume Number	97
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Imaging phantoms Stomach Protection Blood vessels Heart Intestines Liver Lungs Skeleton Biological tissues voxel phantom Environment frog Monte Carlo radiation protection
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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