To minimize renal radiation in abdomical radiotherapy, shielding of the kidneys is essential. IVP-simulator is used as an standard method. In this study, we used 99mTc-DMSA to localize and shield the Kidneys and we compared this method with IVP-simulator. The size of the kidneys was proven to be larger as compared with IVP method. The mean of the overlap percentage was 81.88 in right and ...