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EJNMMI Physics
Fig. 1 | EJNMMI Physics

Fig. 1

From: EORTC PET response criteria are more influenced by reconstruction inconsistencies than PERCIST but both benefit from the EARL harmonization program

Fig. 1

Relationship between SULmax and SULpeak in lesions extracted from PSF ± TOF or PSF ± TOF.EQ and OSEM images, assessed using Bland-Altman plots. Mean percentage difference between SULmax (a) and SULpeak (b) obtained with a conventional OSEM algorithm and those obtained with PSF ± TOF reconstructions are shown before and after application of the EQ.PET methodology. The red lines denote the 25% and 30% thresholds used to discriminate between stable metabolic disease and progressive metabolic disease with EORTC classification and PERCIST, respectively

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