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. 2018 Sep:139:107-113.
doi: 10.1016/j.apradiso.2018.04.037. Epub 2018 May 1.

Evaluation of dosimetric properties of shielding disk used in intraoperative electron radiotherapy: A Monte Carlo study

Mostafa Robatjazi  1 , Hamid Reza Baghani  2 , Seied Rabi Mahdavic  3 , Giuseppe Felici  4
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Free article

Evaluation of dosimetric properties of shielding disk used in intraoperative electron radiotherapy: A Monte Carlo study

Mostafa Robatjazi et al. Appl Radiat Isot. 2018 Sep.
Free article

Abstract

A shielding disk is used for IOERT procedures to absorb radiation behind the target and protect underlying healthy tissues. Setup variation of shielding disk can affect the corresponding in-vivo dose distribution. In this study, the changes of dosimetric parameters due to the disk setup variations is evaluated using EGSnrc Monte Carlo (MC) code. The results can help treatment team to decide about the level of accuracy in the setup procedure and delivered dose to the target volume during IOERT.

Keywords: Breast cancer; IOERT; Monte Carlo simulation; Shielding disk.

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