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Updated: May 28, 2025

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement
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调查voxel大小和后过对positron发射断层扫描/计算机断层扫描定量分析的影响:一个幻影研究

Ahmed Abdel Mohymen1, Hamed Ibrahim Farag1, Sameh M Reda2

  • 1Department of Nuclear Medicine and Radiation Therapy, National Cancer Institute, Cairo University, Giza, Egypt.

Journal of medical physics
|February 10, 2025
PubMed
概括

过后显著影响PET/CT扫描中的标准化吸收值 (SUV) 测量. 优化矩阵大小和voxel大小等重建参数可以改善SUV量化,从而更好地检测病变.

关键词:
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Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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