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SUMMARY:Assessment of the influence of the Beta parameter in the reconstru
 ction of Q.Clear.
DTSTART;VALUE=DATE-TIME:20211010T141000Z
DTEND;VALUE=DATE-TIME:20211010T143000Z
DTSTAMP;VALUE=DATE-TIME:20260904T165246Z
UID:indico-contribution-296@indico.koza.if.uj.edu.pl
DESCRIPTION:Speakers: Konrad Skórkiewicz (Jagiellonian Univeristy)\nMolec
 ular PET / CT imaging is used for the diagnosis of patients with neuroendo
 crine tumors with the use of radiolabelled somatostatin analogues. Iterati
 ve image reconstruction techniques are used to obtain the image.Unfortunat
 ely\, as a result of the significant impact of the so-called "Partial Volu
 me Effect" in minor changes in pathological radiopharmaceutical uptake\, t
 he results of the quantitative assessment are underestimated. In PET image
 s\, it affects the assessment of the diagnostic test results as a false ne
 gative result. The selection of appropriate Q.Clear reconstruction paramet
 ers in the PET / CT MI DR system can reduce the impact of this phenomenon.
  In order to perform the appropriate analysis\, measurements has been made
  using the NEMA IEC PET Body Phantom\, in which the hot spheres have been 
 filled concentration 10:1 of 68Ga isotope. The raw data was reconstructed 
 using a Q.Clear reconstruction for a Beta parameter in the range 150-1000\
 , in steps of 50. The analysis showed a clear decrease in the maximum valu
 es and mean SUVs with higher values of the Beta parameter for the smallest
  spheres.\n\nhttps://indico.koza.if.uj.edu.pl/event/4/contributions/296/
LOCATION:Theranostics Center / on-line
URL:https://indico.koza.if.uj.edu.pl/event/4/contributions/296/
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