NDLI: Can partial volume effects be used to measure myocardial thickness and thickening?

Content Provider	IEEE Xplore Digital Library
Author	Mok, D.Y. Bartlett, M.L. Bacharach, S.L. Voipio-Pulkki, L.M. Carson, R.E. Domanski, M.J. Dilsizian, V. Perrone-Filardi, P. Bonow, P.O.
Copyright Year	1992
Description	Author affiliation: Nat. Inst. of Health, Bethesda, MD, USA (Mok, D.Y.; Bartlett, M.L.; Bacharach, S.L.; Voipio-Pulkki, L.M.; Carson, R.E.; Domanski, M.J.; Dilsizian, V.; Perrone-Filardi, P.; Bonow, P.O.)
Abstract	It has been hypothesized that myocardial thickness and thickening can be measured from gated positron emission tomography (PET) or single-photon-emission computed tomography (SPECT) studies by observing the partial volume related intensity changes in the myocardium that occur from end-diastole to end-systole. The authors make a preliminary assessment of whether this hypothesis is valid. Using magnetic resonance imaging (MRI) data to simulate PET images, it has been found that serious errors may occur with some implementations of these count-based methods for measuring thickness and thickening, due to the nonlinearity of the partial volume effects. A model-based method is presented which overcomes some of these limitations, but which is subject to limitations in the presence of statistical noise.<>
Starting Page	195
Ending Page	198
File Size	264306
Page Count	4
File Format	PDF
ISBN	0818635525
DOI	10.1109/CIC.1992.269413
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thickness measurement Volume measurement Myocardium Positron emission tomography Magnetic resonance imaging Image resolution Linearity Ischemic pain Echocardiography Image registration
Content Type	Text
Resource Type	Article

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