Large scale comparison of maximum likelihood scatter scaling and tail-fitted scatter scaling in LAFOV PET/CT.

Nanna Overbeck¹, Søren Holm², Mohammadreza Teimoorisichani³, Maurizio Conti³, Thomas Lund Andersen^2,4, Flemming Littrup Andersen^2,4

¹Department of Clinical Physiology and Nuclear Medicine, Rigshospitalet-Copenhagen University Hospital, Copenhagen, Denmark. nanna.overbeck.petersen.01@regionh.dk.

²Department of Clinical Physiology and Nuclear Medicine, Rigshospitalet-Copenhagen University Hospital, Copenhagen, Denmark.

³Siemens Medical Solutions Inc., Knoxville, TN, USA.

⁴Departement of Clinical Medicine, Copenhagen University, Copenhagen, Denmark.

PubMed PMC DOI PDF

Abstract

BACKGROUND: Scatter scaling during the reconstruction of Positron Emission Tomography (PET) data is a crucial element for obtaining clinically applicable images with accurate quantification and high image quality. The current clinical standard for scatter scaling is fitting the tail regions of the single scatter simulation (SSS) estimate, which is termed Tail-Fitted Scatter Scaling (TFSS). This st…

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