Korean J Nucl Med.
2004 Dec;38(6):540-542.
An Artifact Caused by Using the Inadequate Acquisition Parameter in Tc-99m ECD Brain Perfusion SPECT
- Affiliations
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- 1Department of Nuclear Medicine, Chonbuk National University Medical School, Chonju, Korea.
- 2Institute for Medical Sciences, Chonbuk National University Medical School, Chonju, Korea.
- 3Research Institute of Clinical Medicine, Chonbuk National University Medical School, Chonju, Korea. stlim@chonbuk, ac, kr
Abstract
- Although artifacts in tomographic imaging can arise from a number of sources, this case presents an artifact caused by using inadequate acquisition parameters which do not match the collimator with which a camera equipped in Tc-99m ECD brain SPECT. Whenever the collimator in tomographic studies is changed, we should take care to use suitable parameters of acquisition protocol according to the collimator with which a camera is fitted. Other ways to prevent an error of this type is to use a point source.
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