2025 Volume 74 Issue 2 Pages 199-206
Dosimetry is essential to evaluate the safety and efficacy of Radionuclide Therapy. Dosimetry requires time-integrated activity (TIA) in the target tissue from multiple Imaging. The accuracy of TIA depends on the quantitatively of the image and the fitting method. This paper is discussed the basics of imaging and TIA necessary for dosimetry, as well as the latest developments in the field.