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Title: Development and assessment of quality control phantom for linearity and uniformity
Authors: Gar-Elnabi, Mohamed EM 
Ali, Wadah M 
Omer, Mohammed A Ali 
Sam, Adam K 
Edam, Ghada A 
Keywords: Gamma;Camera;Phantom;Flood-Field;Uniformity;Linearity;Quality control
Issue Date: 2015
Publisher: Open Journal of Radiology
Source: Gar-Elnabi, M.E.M., Ali, W.M., Omer, M.A.A., Sam, A.K. and Edam, G.A. (2015) Development and Assessment of Quality Control Phantom for Linearity and Uniformity. Open Journal of Radiology, 5, 59-65.
Abstract: Abstract: The aim of this study was to develop a cheap, locally made and friendly applicable phantom for gamma camera quality control and to test its validity relative to standard results (intrinsic and extrinsic spatial linearity and intrinsic and extrinsic uniformity) of gamma camera SPECT. And the significance of this experimental study was to introduce a multi-purpose phantom for gamma camera which could overcome the risk accompanied by quality control test procedure such as detector crystal damage and the appearance of moirĂ© patterns. The results of the developed phantom showed an average count difference of 0.7% relative to the standard phantom and about 4% in X- to Y-axis directions relative to the standard phantom. Also, the measured absolute linearitywas 0.63 mm in X direction and 0.64 mm in Y direction for the UFOV compare with 0.70 mm value of acceptance test. And the I.U. and D.U. of the developed phantom were 3.18% and 2.27%respectively for the UFOV relative to the standard phantom I.U. and D.U. (2.0% and 1.5%) for the UFOV respectively
ISSN: 2164-3024
Appears in Collections:Appsc - Journal Articles (DHET subsidised)

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