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A low-cost density reference phantom for computed tomography

By Zachary H. Levine, Mingdong Li, Anthony P. Reeves, David F. Yankelevitz, Joseph J. Chen, Eliot L. Siegel, Adele Peskin and Diana N. Zeiger

Abstract

The authors characterized a commercially available foam composed of polyurethane and polyisocyanurate which is marketed for modeling parts in the aircraft, automotive, and related industries. The authors found that the foam may be suitable for use as a density reference standard in the range below −400 Hounsfield units. This range is coincident with the density of lung tissue. The foam may be helpful in making the diagnosis of lung disease more systematic

Topics: Radiation Imaging Physics
Publisher: American Association of Physicists in Medicine
OAI identifier: oai:pubmedcentral.nih.gov:2673671
Provided by: PubMed Central
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