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Journal of Nuclear Medicine Technology

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Imaging

Nonuniformity Intrinsic Flood Artifact Caused by Point-Source Syringe Needle

Michael T. Hackett, Sylvia L. Magoun and Rosemary B. Thompson
Journal of Nuclear Medicine Technology March 1997, 25 (1) 41-43;
Michael T. Hackett
Nuclear Medicine Service, Department of Veterans Affairs Medical Centers, Lexington, Kentucky; and Richmond, Virginia
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Sylvia L. Magoun
Nuclear Medicine Service, Department of Veterans Affairs Medical Centers, Lexington, Kentucky; and Richmond, Virginia
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Rosemary B. Thompson
Nuclear Medicine Service, Department of Veterans Affairs Medical Centers, Lexington, Kentucky; and Richmond, Virginia
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Abstract

The purpose of this study was to investigate the cause of a nonuniformity artifact seen on an intrinsic flood.

Methods: Intrinsic floods were acquired on three different cameras using a point source in a 1-cc syringe, with and without a needle attached. Floods were obtained with the syringe placed perpendicular and parallel to the camera face.

Results: A nonuniformity artifact was evident if a syringe with a needle was placed perpendicular to the crystal face.

Conclusion: If a syringe is used as a point source during the acquisition of an intrinsic quality control flood, the needle should not be placed perpendicular to the camera face.

  • artifact
  • quality control
  • nonuniformity
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Journal of Nuclear Medicine Technology: 25 (1)
Journal of Nuclear Medicine Technology
Vol. 25, Issue 1
March 1, 1997
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Nonuniformity Intrinsic Flood Artifact Caused by Point-Source Syringe Needle
Michael T. Hackett, Sylvia L. Magoun, Rosemary B. Thompson
Journal of Nuclear Medicine Technology Mar 1997, 25 (1) 41-43;

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Nonuniformity Intrinsic Flood Artifact Caused by Point-Source Syringe Needle
Michael T. Hackett, Sylvia L. Magoun, Rosemary B. Thompson
Journal of Nuclear Medicine Technology Mar 1997, 25 (1) 41-43;
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Keywords

  • artifact
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