Assessment of standardised uptake values in PET imaging using different software packages

Mario Sansone, Mario Cesarelli, Alessandro Pepino, Paolo Bifulco, Maria Romano, Maria Luisa De Rimini, Pietro Muto

Research output: Contribution to journalArticlepeer-review


Background: This study investigated whether the follow-up by means of positron emission tomography with computed tomography (PET/CT) is reliable when using different software packages for image reviewing. Methodology: This study explored the influence of software on patient follow up by analysing images acquired by means of PET/CT equipment. Images were analysed using three software packages. The study included two patients who underwent examinations over the course of 2 years. An expert radiologist selected the regions of interest surrounding the lesions on each slice. Results: We carried out an analysis of differences among software packages on a region of interest and on a volume of interest basis, and using time-course analysis (differences among successive examinations). Conclusions: Our results suggest that within the limits of the currently available guidelines for PET evaluation, although differences exist among the standardised uptake value measurements by different software packages, they might not alter the qualitative time-course analysis (evaluation of follow-up) if the whole analysis is performed using a fixed package.

Original languageEnglish
Pages (from-to)188-196
Number of pages9
JournalJournal of Medical Imaging and Radiation Sciences
Issue number4
Publication statusPublished - Dec 2013

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology


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