تقييم وتحسين جودة الصورة المعاد بناؤها لجهاز التصوير المقطعي البوزيتروني

Abstract

Posiron emision tomgraphy PT comined with computed tomgraphy CT dfned as PECT sans performed on the number of patints and phntoms with leion wre reconstrcted using OSEM and BPL with varios beta values of 100, 200, 300, 400, 500, 600 and 700. The lesion signl-to-noie ratio (SNR), stadard delivery (STD), minium standrzdized uptake value (SUVmin), and maimum standardized uptake value (SVmax)as well as SVmean of the lesio were deterined and analyzed. This currnt article was caried at Oncolgy Cetre/ Mansoura Unvirstiy (OCMU) trough the perod from Febrary 2024 to Noveber 2024. Patients were seleced by running a text repot query on the clinial PET/CT reports for terms that would identify terms that are too small to be desiced on PET, below the resolution of PET, or similar