Author = Mohammad Reza Ay
Reducing scan time using time-of-flight protocol in clinical [18F]FDG-PET/CT imaging: A feasibility study

Volume 31, Issue 1, January 2023, Pages 1-10


Roya Sharifpour; Pardis Ghafarian; Mehrdad Bakhshayesh-Karam; Carlos F. Uribe; Arman Rahmim; Mohammad Reza Ay

Introducing a novel Polyvinyl chloride/Tungsten composites for shielding against gamma and X-ray radiations

Volume 29, Issue 2, July 2021, Pages 58-64

Tohid Abdolahzadeh; Jalil Morshedian; Shervin Ahmadi; Mohammad Reza Ay; Omid Mohammadi

Molecular imaging approaches in the diagnosis of breast cancer: A systematic review and meta-analysis

Volume 28, Issue 1, January 2020, Pages 1-13

Getu Ferenji Tadesse; Parham Geramifar; Pardis Ghafarian; Eshetu Ejeta Cheka; Eyachew Misgana Tegaw; Seifu Gizaw Feyisa; Ramin Sadeghi; Mohammad Reza Ay

Validation and evaluation of a GATE model for MAMMI PET scanner

Volume 28, Issue 1, January 2020, Pages 33-38

Azadeh Emami; Pardis Ghafarian; Hossien Ghadiri; Parham Geramifar; Mohammad Reza Ay

The influence of misregistration between CT and SPECT images on the accuracy of CT-based attenuation correction of cardiac SPECT/CT imaging: Phantom and clinical studies

Volume 27, Issue 2, July 2019, Pages 63-72

Leila Saleki; Pardis Ghafarian; Ahmad Bitarafan-Rajabi; Nahid Yaghoobi; Babak Fallahi; Mohammad Reza Ay

 A novel approach to automatic position calibration for pixelated crystals in gamma imaging

Volume 27, Issue 2, July 2019, Pages 106-112

Salar Sajedi; Navid Zeraatkar; Sanaz Kaviani; Hadi Khanmohammadi; Saeed Sarkar; Hamid Sabet; Mohammad Reza Ay

Monte Carlo-based optimization of a gamma probe system for sentinel lymph node mapping

Volume 27, Issue 1, January 2019, Pages 8-14

Azadeh Nikoogoftar; Mojtaba Shamsaie; Navid Zeraatkar; Mohammad Reza Ay

Design and performance evaluation of spheroid geometry for brain PET scanner using Monte Carlo modeling

Volume 27, Issue 1, January 2019, Pages 32-38

Peyman Sheikhzadeh; Hossein Ghadiri; Parham Geramifar; Pardis Ghafarian; Mohammad Reza Ay

The influence of using different reconstruction algorithms on sensitivity of quantitative 18F-FDG-PET volumetric measures to background activity variation

Volume 26, Issue 2, July 2018, Pages 87-97

Ali Ketabi; Pardis Ghafarian; Mohammad Amin Mosleh-Shirazi; Seyed Rabi Mahdavi; Mohammad Reza Ay

An alternative mathematical modeling of the scintillation camera and framework for performance analysis of gamma-ray positioning algorithms

Volume 26, Issue 2, July 2018, Pages 112-120

Behnoosh Teimourian Fard; Mojtaba Shamsaei Zafarghandi; Soheil Hosseini; Hamid Sabet; Mohammad Reza Ay

Is correction for metallic artefacts mandatory in cardiac SPECT/CT imaging in the presence of pacemaker and implantable cardioverter defibrillator leads?

Volume 26, Issue 1, January 2018, Pages 35-46

Zahra Etemadi; Pardis Ghafarian; Ahmad Bitarafan-Rajabi; Hadi Malek; Arman rahmim; Mohammad Reza Ay

Collimator-detector response compensation in molecular SPECT reconstruction using STIR framework

Volume 25, Supplement 1, February 2017, Pages 26-34

Hojjat Mahani; Gholamreza Raisali; Alireza Kamali-Asl; Mohammad Reza Ay

New approach for calibration of pixelated scintillation detectors of intraoperative gamma cameras

Volume 25, Issue 1, January 2017, Pages 34-42

Afshin Akbarzadeh; Valiallah Saba; Mohammad Reza Ay