Nematollah Heidarloo

Radiation Medicine Department, Shahid Beheshti University, Tehran, Iran

[ 1 ] - Physical characteristics of electron beam from conventional and beam shaper IOERT applicator: A comparison study

Introduction: Intraoperative electron radiation therapy (IOERT) is one of the cancer treatment techniques that delivers high doses to tumor bed during surgery. IOERT can be performed by either conventional LINACs or dedicated IORT accelerators such as LIAC (Light Intraoperative Accelerator). Two types of applicators can be used with LIAC dedicated accelerator including conventi...

[ 2 ] - Determination of Dosimetric characteristics of a New 192Ir-PDR Brachytherapy Source According to AAPM TG- 43 Protocol using Monte Carlo simulation technique

Introduction: 192Ir is one of the important sources frequently used in brachytherapy. Up to now, a lot of commercial models of this source have been made which Ir-192 has been recently added to them. The aim of the present study is to determine the dosimetric parameters of this new source model based on the recommendations of TG-43(U1) protocol using Monte Carlo simulation tech...

[ 3 ] - Introduction of a Reliable Software for the Calculation of the Gamma Index

Introduction: The gamma index is a known parameter for radiotherapy dose verification. Many free and commercial programs have been written for the calculation of this index. However, the verification of the results has been overlooked in many of the programs. The present study tested the validity of three gamma index calculator programs. Material and ...

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