| TANG Qi,HE Qi-yu,ZHU Wei-guo,et al.Radiation dose computation for renal dynamic radionuclide-imaging[J].Chinese Journal of Radiological Medicine and Protection,2009,29(5):526-528 |
| Radiation dose computation for renal dynamic radionuclide-imaging |
| Received:October 29, 2008 |
| DOI： |
| KeyWords:Radionuclide Kidney-bladder model Radiation dose Monte Calor methods |
| FundProject: |
| Author Name | Affiliation | | TANG Qi | Department of Physics, Sichuan University, Chengdu 610064, China | | HE Qi-yu | Department of Physics, Sichuan University, Chengdu 610064, China | | ZHU Wei-guo | Department of Physics, Sichuan University, Chengdu 610064, China | | XIAO Guo-you | Department of Physics, Sichuan University, Chengdu 610064, China | | YAO Zhong-qiang | Department of Physics, Sichuan University, Chengdu 610064, China |
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| Abstract:: |
| Objective To study the internal radiation dose in kidney and bladder for the renal dynamic radionuclide-imaging. Methods A double compartment chain related to kidney-bladder excretion model was set out. The correlative mathematical expressions were educed to simulate the absorbed radionuclide medicament for renal dynamic imaging's transfer and excretion.The total disintegration amount in kidney, bladder and other organs was counted. Monte Calor methods were used to calculate the radionuclide disintegration radial energy deposited in kidney and bladder,and their effective doses were calculated according to the radiation quality factor. Results To take 131I-OIH and 99Tcm-DTPA imaging agents for example, the internal radiation dose in kidney was 0.058 mGy/MBq(for 131I-OIH)and 0.0054 mGy/MBq(for 99Tcm-DTPA), respectively,while the internal radiation dose in bladder is 0.40 mGy/MBq(for 131I-OIH)and 0.033 mGy/MBq(for99Tcm-DTPA), respectively. Conclusions The internal radiation doses in kidney and bladder are very low for renal dynamic radionuclide-imaging at the conventional dose. |
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