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Themistoklis Boursianis
Themistoklis Boursianis
Medical physicist
Verified email at med.uoc.gr
Title
Cited by
Cited by
Year
Dosimetric performance of the Elekta Unity MR-linac system: 2D and 3D dosimetry in anthropomorphic inhomogeneous geometry
E Pappas, G Kalaitzakis, T Boursianis, E Zoros, K Zourari, EP Pappas, ...
Physics in Medicine & Biology 64 (22), 225009, 2019
402019
Neural foundations of overt and covert actions
PG Simos, E Kavroulakis, T Maris, E Papadaki, T Boursianis, ...
Neuroimage 152, 482-496, 2017
392017
Brain stereotactic radiosurgery using MR‐guided online adaptive planning for daily setup variation: an end‐to‐end test
EY Han, H Wang, TM Briere, DN Yeboa, T Boursianis, G Kalaitzakis, ...
Journal of applied clinical medical physics 23 (3), e13518, 2022
92022
Apparent diffusion coefficient measurements on a novel diffusion weighted MRI phantom utilizing EPI and HASTE sequences
G Kalaitzakis, T Boursianis, G Gourzoulidis, S Gourtsoyianni, ...
Physica Medica 73, 179-189, 2020
92020
MRI diffusion phantoms: ADC and relaxometric measurement comparisons between polyacrylamide and agarose gels
T Boursianis, G Kalaitzakis, E Pappas, AH Karantanas, TG Maris
European Journal of Radiology 139, 109696, 2021
82021
3D polymer gel MRI dosimetry using a 2D haste, A 2D TSE and A 2D SE multi echo (ME) T2 relaxometric sequences: comparison of dosimetric results
TG Maris, E Pappas, T Boursianis, G Kalaitzakis, N Papanikolaou, L Watts, ...
Physica Medica 32, 238-239, 2016
82016
Validation of PTV margin for Gamma Knife Icon frameless treatment using a PseudoPatient® Prime anthropomorphic phantom
EY Han, P Diagaradjane, D Luo, Y Ding, G Kalaitzakis, E Zoros, K Zourari, ...
Journal of applied clinical medical physics 21 (9), 278-285, 2020
72020
Optimising T2 relaxation measurements on MS patients utilising a multi-component tissue mimicking phantom and different fitting algorithms in T2 calculations
GI Kalaitzakis, E Papadaki, E Kavroulakis, T Boursianis, K Marias, ...
Hellenic Journal οf Radiology 4 (2), 2019
52019
The impact of spin coupling signal loss on fat content characterization in multi-echo acquisitions with different echo spacing
K Nikiforaki, GC Manikis, T Boursianis, K Marias, A Karantanas, TG Maris
Magnetic Resonance Imaging 38, 6-12, 2017
42017
Polymer-gel radiation dosimetry of laser-based relativistic electron sources for biomedical applications: First qualitative results and experimental challenges
I Fitilis, A Grigoriadis, I Tazes, S Petrakis, G Andrianaki, V Dimitriou, ...
Frontiers in Physics 10, 727511, 2022
32022
T2* relaxometry tool for calibration and quantification of iron concentration based on multi echo MRI data
GS Ioannidis, K Nikiforaki, G Kalaitzakis, T Boursianis, G Antonopoulos, ...
2022 IEEE International Conference on Imaging Systems and Techniques (IST), 1-6, 2022
12022
A preliminary investigation on the occupational exposure to laser radiation in Greece
GA Gourzoulidis, T Boursianis, TG Maris, I Sianoudis, A Achtipis, ...
Hellenic Journal οf Radiology 4 (2), 2019
12019
Personalized End-to-End QA in Cranial SRS: Evaluation of the Phantom-to-Patient Dosimetric Equivalency of a 3D Printed Phantom using Film Dosimetry
E Pappas, D Makris, E Zoros, G Kalaitzakis, T Boursianis, N Papanikolaou, ...
International Journal of Radiation Oncology, Biology, Physics 102 (3), e485-e486, 2018
12018
A quality assurance test for the validation of the spatial and dosimetric accuracy of a new technique for the treatment of multiple brain mestastases
G Kalaitzakis, N Papanikolaou, T Boursianis, EP Pappas, V Lahanas, ...
Physica Medica 32, 327-328, 2016
12016
Feasibility of fat fraction quantification by measuring J-coupling related signal modulation in multi echo fast spin echo sequences
K Nikiforaki, T Boursianis, GC Manikis, K Marias, A Karantanas, TG Maris
Physica Medica 32, 249, 2016
12016
EP-1307: Innovative QA methodology for true patient-specific Dose Volume Histograms (DVHs) measurements
E Pappas, TG Maris, G Kalaitzakis, T Boursianis, D Makris, E Maravelakis, ...
Radiotherapy and Oncology 115, S704-S705, 2015
12015
Magnetic relaxation measurements on tissue mimicking phantoms: comparison between different fitting algorithms in MRI T2 calculations
G Kalaitzakis, L Kavroulakis, T Boursianis, S Veneti, L Kontopodis, ...
Physica Medica: European Journal of Medical Physics 30, e118-e119, 2014
12014
MRI Diffusion measurements on phantoms: comparison between EPI and HASTE sequences utilizing two fitting methods in Apparent Diffusion Coefficient (ADC) measurements
T Boursianis, G Kalaitzakis, S Veneti, E Pappas, J Damilakis, TG Maris
Physica Medica: European Journal of Medical Physics 30, e50, 2014
12014
DOSIMETRY OF SMALL RADIATION FIELDS (SRF) USING POLYMER GEL DOSIMETER (PGD) PHANTOMS
A Ntouli, M Mazonakis, G Kalaitzakis, T Boursianis, M Tolia, T Maris
Physica Medica: European Journal of Medical Physics 104, S26, 2022
2022
ELECTRICAL CONDUCTIVITY MEASUREMENTS UTILIZING FAST T2 RELAXOMETRY TECHNIQUES INSIDE A CLINICAL MRI SYSTEM FOR THREE HYDATIC SOLUTION SAMPLES: AN IN-VITRO STUDY
V Gkasios, V Giannakaki, T Boursianis, G Kalaitzakis, K Nikiforaki, ...
Physica Medica 104, S47, 2022
2022
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