Radiation Protection in Nuclear Medicine by Sören Mattsson & Christoph Hoeschen

Author:Sören Mattsson & Christoph Hoeschen
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

6.2.3.4 Tomographic Resolution

The tomographic resolution is measured to ensure that the resolution is not degraded by the tomographic acquisition or the reconstruction. Small point sources are placed in the same way as for the COR measurement free in air, and an acquisition is made in the same way as for the COR. After the tomographic acquisition, a static acquisition at the home position is performed. Analyze the data by drawing a line profile over the point source in the static and reconstructed images to calculate the FWHM. Compare the FWHM for the reconstructed images horizontally and vertically and the static image [10]. The tomographic resolution with scatter should also be tested to get more clinical comparable data. Repeat the measurements above with the point sources placed in a phantom which can generate scatter [10].

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