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Nuclear Medicine & Radiation Therapy

ISSN: 2155-9619

Open Access

Ahmed Soltan


Egypt

Publications
  • Research Article
    Evaluation of the Impact Count Recovery Model on Standardized Uptake Value Used in PET-CT
    Author(s): Ahmed Abdel Mohymen, Ahmed Soltan and Hamed FaragAhmed Abdel Mohymen, Ahmed Soltan and Hamed Farag

    Evaluate the effect of lesion size and Sphere to Background Ratio (SBR) on the threshold used for PET tumor volume delineation. Evaluation the effect and the accuracy of Recovery Coefficient (RC) model on Standards Uptake Value (SUV) of different inner size diameters filled with different activity concentration and apply this model on small cohort of patients and construct Look Up Table (LUT) for different lesions with different sizes. A cylindrical phantom equipped with different volume hollow spheres was used. Two different reconstruction algorithms were applied in this study; one of them modified with Point Spread Function (PSF), the other did not based on PSF. Partial volume effect (PVE) was highly dominant in low uptake spheres although it had large size i.e., not only small size object affecting by PVE but also low activity concentration object. For true volume measureme.. Read More»
    DOI: 10.4172/2155-9619.1000230

    Abstract PDF

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