Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/8479
Title: Calculation of absorbed dose due to the <sup>90</sup> Y-DOTATOC peptide receptor radionuclide ther apy by MCNP5/X
Authors: Jeremic M.
Matovic, Milovan
Pantović S.
Nikezic, Dragoslav
Krstic, Dragana
Journal: Nuclear Technology and Radiation Protection
Issue Date: 1-Dec-2018
Abstract: © 2018; Vinca Inst Nuclear Sci. All rights reserved. Strong beta emitters, like 90 Y, 177 Lu labelled peptide, are used for treatment of neuroendocrine tumours where there is a good expression of somatostatin receptors. In this work, MCNP5/X computer software and ORNL human phantoms were used lo calculate absorbed dose due to 90 Y labelled DOTATOC in the peptide receptor radionuclide therapy. Tumour was considered as a sources of beta radiation and represented as a sphere with diameter of 1-4 cm and 5 cm in liver, pancreas, and lungs. Results are expressed as absorbed dose per unit of cumulated activity, S -value in units mGy(MBq.s) -1 . The far largest dose is in tumour itself, then in organ which contains the tumour. Doses in other organs, where the metastasis are the most frequent, due lo the bremsslrahlung radiation, are much smaller and could be neglected. The largest dose, 8.66.10 -3 mGy.(MBq.s) -1 was obtained lor tumour with size of 3 cm.
URI: https://scidar.kg.ac.rs/handle/123456789/8479
Type: article
DOI: 10.2298/NTRP180411006J
ISSN: 14513994
SCOPUS: 85063534292
Appears in Collections:Faculty of Medical Sciences, Kragujevac
Faculty of Science, Kragujevac

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