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Ιατρική Φυσική – Ακτινοφυσική

ΔΙΕΘΝΗ ΣΥΝΕΔΡΙΑ

Δημοσιεύσεις στα πλαίσια ή ως συνέχεια διπλωματικών εργασιών ΠΜΣ

Ανακοινώσεις-Δημοσιεύσεις σε διεθνή συνέδρια (181)

  1. V.Mari, N.Ntoufas, S.Koukouraki,  K.Perisinakis. Estimation of radiation risks from PET/CT examination: what is the contribution of CT exposure versus FDG administration? Oral Presentation European Congress of Radiology, Vienna 2026.
  2. A. Ntouli, G. Kalaitzakis, E. Pappas, V. Mari, M. Tolia, M. Mazonakis, Th. Maris. T2 relaxometry and Signal-to-noise Ratio Evaluation in MRI-based Gel Dosimetry: A 1.5T vs 3T Clinical MRI System Intercomparison". ECR 2026, C-19789.
  3. K.Loukas and K. Prevezanou, ‘Assessment of training progression on a surgical simulator using machine learning and explainable artificial intelligence techniques’, In Proc. 14th Int. Conf. on Pattern Recognition Applications and Methods (ICPRAM), 465-474, Porto, Portugal, 2025.
  4. M. Patsioti, A. Ploussi, G. Christopoulos, K. Platoni, I. Seimenis, E. P. Efstathopoulos, Evaluation of a Deep Learning Image Reconstruction Algorithm on Radiation Dose and Image Quality in CT Examinations, IUPESM World Congress on Medical Physics and Biomedical Engineering, 29 September – 4 October 2025, Adelaide, Australia.
  5. S Theocharis, E P Pappas, Efi Koutsouveli, G Kollias, K Konstantinidis, K I Lampropoulos, N Yakoumakis, C Paraskevopoulou, I Seimenis, P Karaiskos , “Frame induced MR distortion in Gamma Knife radiosurgery: assessment at 1.5T and 3T for two frame models”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting 2025, May 2 – 6, 2025, Vienna, Austria.
  6. A. Evgeneia, P. Alafogiannis, N. Dikaios, E. Pantelis, P. Papagiannis, & V. Peppa, “Institution-specific pre-treatment quality assurance control and specification limits: formalism, tools, and criteria optimization using statistical process control and heuristic methods,” Available at SSRN 5402659, 2025.
  7. Vereniki Mari, Nikos Ntoufas, Sofia Koukouraki, Kostas Perissinakis. DETERMINATION OF ORGAN DOSES AND ESTIMATION OF RADIOGENIC CANCER RISK FROM PET/CT EXAMINATIONS. Oral presentation 17th Panhellenic & 12th Balkan Congress of Nuclear Medicine, Athens 2025.
  8. Ntouli A et al. Calibration data for accurate quantification of iron in soft tissues through dual-energy CT imaging. ECR 2025, C-25060. European Congress of Radiology, Vienna, Austria.
  9. Ntouli A et al. Introduction and evaluation of a novel MRI phantom for fat fraction measurements using a modified Multi-Echo Gradient Echo and a PACS embedded tool. ECR 2025, C-16028. https://dx.doi.org/10.26044/ecr2025/C-16028
  10. I. Petropoulou Kynigopoulou, F. Gelatsoras, G. Siltzovalis, V. Lagaki, I. Madesis, T.J. Mertzimekis, ‘‘A study of natural radioactivity in thermal springs in Greece using gamma and alpha spectrometry ”, HNPS Adv. Nucl. Phys., Volume S01 (2025)
  11. D. Calamani, D. Thanasas, "Image reconstruction using triple coincidences in long axial field of view PET", TBPET 2024 – 3rd Total Body PET 2024 Conference, 19-21 September 2024, Groningen, Netherlands.
  12. D. Calamani, C. Tsoumpas and D.Thanasas, “Using triple coincidences to improve Positron Emission Tomography”, ISBI 2024 – 21st International Symposium on Biomedical Imaging, 27-30 May 2024, Athens, Greece.
  13. A. Moutsatsos, A. Stergioula, S. Drakopoulou, P. Archontakis, E. Pantelis, “Enabling robust treatment planning in CyberKnife radiosurgery: A how-to primer for intracranial central nervous system lesions”, International Stereotactic Radiosurgery Society (ISRS) meeting 2024, 12-15 May 2024, New York City, USA.
  14. E. Pantelis, A. Moutsatsos, P. Archontakis, S. Romdhani, A. Stergioula, P. Papagiannis, N. Paragios, “A proof of concept for MR-only workflow in CyberKnife intracranial radiosurgery”, ESTRO Congress 2024, 03-07 May 2024, Glasgow, UK.
  15. P Glampedaki, A Drakopoulou, E Pappas, K Zourari, E Koutsouveli, G Kollias, C Paraskevopoulou, N Giakoumakis, G Kollias, P Karaiskos, “Implementation of a BeO-based OSL dosimetry protocol for remote dosimetry in SBRT”, 5th European Congress of Medical Physics (ECMP) 2024, September 11 – 14, 2024, Munich, Germany (accepted).
  16. V Margaroni, A Iosif, P Karaiskos, A Episkopakis, E Koutsouveli, E Pappas, “Monte Carlo-based determination of magnetic field correction factors for small field dosimetry in 1.5T MR-linacs”, 5th European Congress of Medical Physics (ECMP) 2024, September 11 – 14, 2024, Munich, Germany (accepted).
  17. A Episkopakis, V Margaroni, P Karaiskos, M Kydonieos, N Marinos, E P Pappas, “Investigation of Potential Effective Point of Measurement Shifts in Relative Profile Measurements in 1.5T MR-Linacs”, American Association of Physicists in Medicine (AAPM) Annual Meeting 2024, July 21 – 25, 2024 Los Angeles, California, USA.
  18. A Drakopoulou, P Glampedaki, E Pappas, K Zourari, V Margaroni, G Kollias, P Karaiskos, “Development and implementation of a BeO-based Optically Stimulated Luminescence dosimetry protocol for end-to-end and benchmarking tests in SRS/SRT applications”, 16th International Stereotactic Radiosurgery Society Congress (ISRS), May 12 – 15, 2024, New York City, New York, USA.
  19. A Episkopakis, V Margaroni, P Karaiskos, N Marinos, E P Pappas, “Investigation of center-of-axis offsets in ion chamber-based profile measurements in 1.5T MR-Linacs”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting 2024, May 3 – 7, 2024, Glasgow, UK.
  20. V Margaroni, A Drakopoulou, P Karaiskos, A Episkopakis, E. Koutsouveli, E P Pappas, “Dosimetry in 1.5T MR-Linacs: kB,Q correction factors for two commercially available OSL dosimeters”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting 2024, May 3 – 7, 2024, Glasgow, UK.
  21. A. Eygeneia, A. Lekatou, & P. Papagiannis “2542: Monte Carlo study of ion chamber array potential for real time HDR brachytherapy dose verification,” Radiotherapy and Oncology, 194, S383-S386, 2024.
  22. I. Grammatikou, E. Pappas, K. Kouvati, & P. Papagiannis, “PP. 4.7 DOSE RESPONSE CHARACTERISTICS OF AN OPTIMIZED, PLURONIC F127-LEUCO CRYSTAL VIOLET BASED, RADIOCHROMIC GEL DOSIMETER: DOSE RATE INDEPENDENCE AND SIGNAL DIFFUSION,” Physica Medica, 127, 104598, 2024.
  23. M. Patsioti, A. Ploussi, E. Efstathopoulos, THE IMPACT OF DEEP LEARNING RECONSTRUCTION ALGORITHMS ON IMAGE QUALITY AND RADIATION DOSE IN CHEST, ABDOMEN AND PELVIS CT EXAMINATIONS, Physica Medica 127S1 (2024) 104538. doi.org/10.1016/j.ejmp.2024.104538.
  24. Kontomichi, E., Patsioti, M., Ploussi, A., Petrou, K., Giannakis, A., Antonakis, S., Argentos, S., & Efstathopoulos, E, OPTIMIZATION OF CHEST-ABDOMEN-PELVIS CT PROTOCOLS, Physica Medica 127S1 (2024) 104540 https://doi.org/10.1016/j.ejmp.2024.104540.
  25. Koukouletsou I., Kalef-Ezra J.A., Pantelis E., Kalamara A., Stamatelatos I.E. Absorbed Dose Distribution in Boron Neutron Capture Therapy for the Treatment of Brain Cancer, (2024) HNPS Advances in Nuclear Physics, 30, pp. 215 – 218. DOI: 10.12681/hnpsanp.6274.
  26. Georgiou S., Kalef-Ezra J.A., Kalamara A., Karavasilis E., Stamatelatos I.E. Microdosimetric Modelling of Neutron Capture Therapy Effectiveness (2024) HNPS Advances in Nuclear Physics, 30, pp. 189 - 194, Cited 1 times. DOI: 10.12681/hnpsanp.6282.
  27. E. Panagiotidis, S. Andreou, K. Angeioplasti, A. Paschali, E. Vlontzou, T. Kalathas, M. Chatzimarkou, A. Pipintakou, A. Makridou, J. Datseris, E. Papanastasiou, V. Chatzipavlidou. Optimizing Prostate Cancer Recurrence Diagnosis using PSMA and Choline PET Radiomics. EANM Annual Congress, Hamburg, Germany, Oct 19-23, 2024.
  28. G. Siltzovalis, V. Lagaki, I. Madesis, T.J. Mertzimekis, et. al., ‘‘Characterization of novel instruments for radioactivity monitoring in oceanic environments”, ENVIRA 2023 Conference Proceedings (2024)
  29. G. Siltzovalis, I. Madesis, V. Lagaki, P. Krassakis, K. Nikolopoulos, T.J. Mertzimekis, ‘‘Validation and Testing of Novel Underwater Sensors at the Hydrothermal Vent Field of Milos”, HNPS Adv. Nucl. Phys., Volume 30 (2024)
  30. I. Madesis, V. Lagaki, G. Siltzovalis, T.J. Mertzimekis, ‘‘αSPECT: Adaptation of existing radon detectors to deep-sea operation”, HNPS Adv. Nucl. Phys., Volume 30 (2024)
  31. A. Barlas, G. Siltzovalis, P. Balodima, T.J. Mertzimekis, I. Madesis, V. Lagaki, ‘‘A comparative study of γ-ray spectrometers in various applications”, HNPS Adv. Nucl. Phys., Volume 30 (2024)
  32. T. Zafeiris, G. Siltzovalis, V. Lagaki, I. Madesis, T.J. Mertzimekis, ‘‘Radioactivity studies in soils from Northwestern Greece”, HNPS Adv. Nucl. Phys., Volume 30 (2024)
  33. F.P. Gelatsoras, T.J. Mertzimekis, P. Krassakis, V. Lagaki, I. Madesis, G. Siltzovalis, ‘‘A study of natural radioactivity in urban parks”, HNPS Adv. Nucl. Phys., Volume 30 (2024)
  34. G. Siltzovalis, V. Lagaki, I. Madesis, T.J. Mertzimekis, ‘‘Characterization of a Novel CdZnTe Spectrometer for Measuring Radioactivity in the Marine Environment”, HNPS Adv. Nucl. Phys., Volume 29 (2023)
  35. T.J. Mertzimekis, V. Lagaki, I. Madesis, G. Siltzovalis, E. Petra, P. Nomikou, P. Batista, D. Cabecinhas, A. Pascoal, L. Sebastiao, J. Escartin, K. Kebkal, K. Karantzalos, V. Douskos, A. Mallios, K. Nikolopoulos, ‘‘RAMONES and Environmental Intelligence: Progress Update”, Proceedings of the 2022 ACM Conference on Information Technology for Social Good (2022)
  36. P. Archontakis, P. Papagiannis, I. Seimenis, E. Pantelis, “PO-1536 Imaging dose distributions from CyberKnife robotic image guided radiotherapy,” ESTRO 2022, 6 – 10 May 2022, Copenhagen, Denmark. Radiother. Oncol., vol. 170, p. S1316, 2022.
  37. A. Moutsatsos, P. Kouris, C. Koutsarnakis, O. Athanasiou, P. Pantelakos, E. Pantelis, “A practical guide towards optimizing the biological effectiveness of central nervous system CyberKnife radiosurgery applications“, International Stereotactic Radiosurgery Society (ISRS) meeting 2022, 19 – 23 June 2022, Milan, Italy.
  38. E. Vlastou, S. Theologitis, A.  Alexopoulou, D. Demenagas, E. Iliopoulos, A. Kouvelis. “DOSIMETRIC EVALUATION OF SETUP ERRORS IN PEDIATRIC CRANIOSPINAL IRRADIATION”. Physica Medica: European Journal of Medical Physics, 104, S31 (2022).
  39. D Dellios, E P Pappas, P Karaiskos, E Koutsouveli, I Seimenis, “Enhanced accuracy in MR-based 3D polymer gel dosimetry for end-to-end testing in multi-target SRS applications”, 4th European Congress of Medical Physics (ECMP) 2022, August 17 – 20, Dublin, Ireland. Abstract published in Physica Medica: European Journal of Medical Physics. Vol. 104, Suppl. 1, S177 – S178 (2022).
  40. A. Eygeneia, E. Pantelis, P. Papagiannis “ESTIMATION OF KV X-RAY SPECTRA FROM PERCENTAGE DEPTH DOSE DATA,” Phys. Medica Eur. J. Med. Phys., vol. 104, pp. S41–S42, 2022.
  41. P. Archontakis, P. Papagiannis, I. Seimenis, E. Pantelis “OPTIMIZATION OF THE IMAGING DOSE IN CYBERKNIFE CLINICAL APPLICATIONS,” Phys. Medica Eur. J. Med. Phys., vol. 104, p. S9, 2022.
  42. I. Grammatikou, K. Kouvati, E. Pappas, P. Karaiskos, P. Papagiannis “ON THE DEVELOPMENT OF A 3D DOSIMETRY PROTOCOL WITH OPTICAL CT READOUT FOR QUALITY ASSURANCE IN MULTI-TARGET CRANIAL STEREOTACTIC RADIOSURGERY,” Phys. Medica Eur. J. Med. Phys., vol. 104, p. S16, 2022.
  43. K. Kouvati, M. Kozicki, E. Pantelis, P. Karaiskos, P. Papagiannis “TAILORING THE DOSE RESPONSE CHARACTERISTICS OF A POLOXAMER-BASED, RADIOCHROMIC GEL 3D DOSIMETER TO SPECIFIC DOSIMETRIC APPLICATIONS,” Phys. Medica Eur. J. Med. Phys., vol. 104, p. S41, 2022.
  44. Konstantinos Avgoullas, Agapi Ploussi, Ioannis Papagiannis, Dimosthenis Avramidis, Alexandros Tsoutsinos, Anastasia Maragou, Efstathios P. Efstathopoulos, I. Seimenis, Radiation exposure assessment in paediatric catheter ablation for supraventricular tachycardia treatment, CIRSE, 10-14 September 2022, Barcelona, Spain.
  45. D. Samaras and N. Kourkoumelis. Modeling transdermal diffusion of optical clearing Agents. 4th European Congress of Medical Physics, City University, 17-20 August, Dublin, Ireland (2022).
  46. L. Lamprinos, G. Giakoumettis, E. Katrakylidou, P. Bousbouras, E. Papanastasiou. Dosimetric considerations during radiotherapy treatment planning Computed Tomography simulation scans. 4th European Congress of Medical Physics, Dublin, Ireland, Aug 17-20, 2022.
  47. E. Katrakylidou, A. Kriari, N. Ataktidou, P. Bousbouras, E. Papanastasiou. Determination of set up errors and planning margins on patients subjected to Image Guided Radiotherapy: a clinical study for prostate, thoracic and head & neck cancer. 4th European Congress of Medical Physics, Dublin, Ireland, Aug 17-20, 2022.
  48. V. Gkasios, Th. Maris, V. Giannakaki. T2 RELAXATION TIME AS TEMPERATURE MEASUREMENT TOOL. 4th European Congress of Medical Physics 2022. 17-20 August 2022, DUBLIN, IRELAND. Physica Medica 104:S136-S137.
  49. Ioannidis, Georgios S. | Nikiforaki, Katerina | Kalaitzakis, Georgios | Boursianis, Themistoklis | Antonopoulos, Grigorios | Maris, Thomas G. | Marias, Kostas. T2* relaxometry tool for calibration and quantification of iron concentration based on multi echo MRI data. 2022 IEEE International Conference on Imaging Systems and Techniques (IST) (2022), Kaohsiung, Taiwan. 10.1109/IST55454.2022.9827767.
  50. V Margaroni, E P Pappas, C Paraskevopoulou, A Episkopakis, P Karaiskos, “Dosimetry in 1.5T MR-Linacs using plastic phantoms: the effect of air gaps for a variety of ionization chambers”, 3rd European Congress of Medical Physics (ECMP) 2020, June 16 – 19, 2021, online. Abstract published in Physica Medica: European Journal of Medical Physics. Vol. 92, Suppl., S195 (2021).
  51. G Prentou, E Zoros, E P Pappas, C Paraskevopoulou, E Koutsouveli, N Yakoumakis, G Kollias, H Prentou, P Karaiskos, “Stereotactic radiosurgery for multiple brain metastases: dosimetric performance of two planning techniques and two setup approaches”, 3rd European Congress of Medical Physics (ECMP) 2020, June 16 – 19, 2021, online. Abstract published in Physica Medica: European Journal of Medical Physics. Vol. 92, Suppl., S198 – S199 (2021).
  52. G Prentou, E Koutsouveli, E P Pappas, H Prentou, P Karaiskos, “Influence of the Agility MLC projected leaf positional offsets on the quality of VMAT-SRS for multiple brain metastases”, 3rd European Congress of Medical Physics (ECMP) 2020, June 16 – 19, 2021, online. Abstract published in Physica Medica: European Journal of Medical Physics. Vol. 92, Suppl., S177 – S178 (2021).
  53. D Dellios, I Seimenis, E P Pappas, P Karaiskos, G Kollias, “Evaluation of MR image correction schemes for accurate lesion localization in intracranial stereotactic radiosurgery”, 3rd European Congress of Medical Physics (ECMP) 2020, June 16 – 19, 2021, online. Abstract published in Physica Medica: European Journal of Medical Physics. Vol. 92, Suppl., S62 (2021).
  54. Diamantopoulos S, Platoni K, Karaiskos P, Kouloulias V, Efstathopoulos E. A novel isodose surface-based method for patient specific QA analysis. Physica Medica: European Journal of Medical Physics 92, S153, 2021.
  55. E P Pappas, I Seimenis, P Kouris, S Theocharis, D Dellios, P Karaiskos, “PO-1694 Target localization uncertainty in Gamma Knife SRS: Comparison of three frame-based workflows”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting 2021, August 27 – 31, Madrid, Spain and online. Abstract published in Radiotherapy and Oncology, Vol. 161, Suppl. 1, S1420 – S1421 (2021).
  56. V Margaroni, E P Pappas, A Episkopakis, P Karaiskos, “OC-0194 Monte Carlo determination of magnetic field correction factors kB,Q for dosimetry in 1.5T MR-Linacs”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting 2021, August 27 – 31, Madrid, Spain and online. Abstract published in Radiotherapy and Oncology, Vol. 161, Suppl. 1, S123 – S124 (2021).
  57. N Prountzos, E Pantelis, P Papagiannis, P Karaiskos, A Moutsatsos, E P Pappas, N Fotos, S Kanellopoulou, “PO-1623 Use of OSLDs for dosimetric verification of Helical TomoTherapy dynamic field width treatment plans”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting 2021, August 27 – 31, Madrid, Spain and online. Abstract published in Radiotherapy and Oncology, Vol. 161, Suppl. 1, S1344 – S1345 (2021).
  58. P. Archontakis, E. Pantelis, P. Papagiannis, I. Seimenis “Dosimetric calculations of the imaging dose, quantification of the scattered radiation and realization of its origin in CyberKnife radiosurgery,” Phys. Medica Eur. J. Med. Phys., vol. 92, p. S144, 2021.
  59. P. Kouris, A. Moutsatsos, E. Pappas, P. Karaiskos, P. Papagiannis, I. Beli, P. Pantelakos, E. Pantelis “Dose rate mapping and radiobiological assessment of helical tomotherapy prostate and head and neck treatments,” Phys. Medica Eur. J. Med. Phys., vol. 92, p. S169, 2021.
  60. A. Lekatou, V. Peppa, E. Pantelis, P. Karaiskos, P. Papagiannis “PHSOR12 Presentation Time: 10: 55 AM: On the Potential of Pixel Segmented Ionization Chambers for Comprehensive 192Ir HDR QA,” Brachytherapy, vol. 20, no. 3, p. S29, 2021.
  61. A. Lekatou, V. Peppa, P. Papagiannis 2021. “OC-0130 Comprehensive 192Ir HDR QA using a pixel segmented ionization chamber,” Radiother. Oncol., vol. 158, pp. S94–S96, 2021.
  62. Pappas EP, Seimenis I, Kouris P, Lampropoulos KI, Karaiskos P. Stereotactic radiosurgery for multiple brain metastases: does MR/CT co-registration improve target localization accuracy compared to the MR-only approach? Physica Medica: European Journal of Medical Physics 92, S175, 2021.
  63. Valianti A, Tsalafoutas IA, Koutsouveli E, Thanasas D, Siountas A, Papalla K, Kanellopolou S, Karaiskos P. On the use of OSLDs for in-vivo measurements of surface dose in breast radiotherapy treatments. Physica Medica: European Journal of Medical Physics 92, S195, 2021.
  64. Zoros EE, Alexiou A, Peppa V, Koutsouveli E, Boursianis T, Kanellopoulou S, Thanasas D, Karaiskos P. Validation of a brain VMAT treatment through multi-detector dosimetry in an anthropomorphic phantom. Physica Medica: European Journal of Medical Physics 92, S190, 2021.
  65. E. Vlastou, E. Efstathopoulos, P. Karaiskos, V. Kouloulias, E. Pantelis, P. Papadimitroulas, K. P. Chatzipapas, S. Diamantopoulos, K. Platoni. “Gold nanoparticles in external beam radiotherapy: a Monte Carlo study”. Physica Medica: European Journal of Medical Physics, 92, S193-S194 (2021).
  66. Antypas C, Tzoumi N, Armpilia C, Avgousti R, Zygogianni A. Dosimetry of MLC based GRID radiotherapy using EBT–XD film. ESTRO Annual Congress in 2021. Madrid, Spain & Online, 28 - 31 August 2021. Radiother Oncol 2021; 161, (Suppl. 1), S1337-S1339, # PO-1616, https://www.thegreenjournal.com/issue/S0167-8140(21)X0009-6?pageStart=31.
  67. D Stasinou, G Patatoukas, N Kollaros, A Kougioumtzopoulou et al. Tolerance and action limits determination for tighter patient specific QA acceptance criteria and comparison of the clinical relevance of 2D versus 3D gamma passing rates. Physica Medica 92, S183. 3rd European Congress of Medical Physics. June 16-19,2021.
  68. P. Vasileiou, T.J. Mertzimekis, A. Chalil, A. Zyriliou, S. Pelonis, V. Lagaki, G. Siltzovalis, M. Efstathiou, P. Koseoglu, D. Bonatsos, A. Martinou, N. Minkov, N. Marginean, C. Mihai, N. Florea, S. Ujeniuc, A. Tuturica, C. Costache, R. Mihai, L. Stan, D. Filipescu, S. Toma, I. Gheorghe, I. Dinescu, A. Ionescu, L. Stoica, S. Calinescu, A. Oprea, A. Stoica, C. Sotty, C. Clisu, C. Nita, C. Neascu, ‘‘Experimental Study of the Nuclear Structure of 180Hf: Preliminary results”, HNPS Adv. Nucl. Phys., Volume 28 (2021)
  69. P. Vasileiou, T.J. Mertzimekis, A. Chalil, A. Zyriliou, S. Pelonis, M. Efstathiou, V. Lagaki, G. Siltzovalis, P. Koseoglou, D. Bonatsos, A. Martinou, N. Minkov, N. Mărginean, C. Mihai, N. Florea, S. Ujeniuc, A. Turturica, C. Costache, R. Mihai, L. Stan, D. Filipescu, S. Toma, I. Gheorghe, I. Dinescu, A. Ionescu, L. Stoica, S. Calinescu, A. Oprea, A. Stoica, C. Sotty, C. Clisu, C. Nita, C. Neascu, ‘‘Experimental investigation of the nuclear structure in the neutron-rich 180Hf”, Bulg. J. Phys., Volume 48 (2021)
  70. E. Zoros, A. Moutsatsos, L. Lekas, P. Pantelakos, E. Pantelis, “Dose rate effects in robotic radiosurgery treatments” ESTRO 2020, 28 Nov - 01 Dec 2020 (Online).
  71. V. Chatonidis, V, Tsapaki V, Karaiskos P, Pantelis E, Patsilinakos S, Kottou S. Ten Years of Interventional Cardiology Catheterization Therapy Procedures in a Large Territory Hospital. A Retrospective Analysis of High Maximum Patient Skin Doses to Evaluate Trends AAPM 2019, San Antonio TX.
  72. Habibi M, Karyofyllis P, Nikolakopoulou A, Papagiannis P, Karaiskos P, Kollaros N, Mastorakou I, Voudris V, Terzoudi G. The use of cytogenetic and molecular endpoints as biomarkers of low dose exposure in interventional cardiology.  ICRR 2019 in Manchester, 25 – 29 August 2019.
  73. Nikolakopoulou A, Habibi M, Pantelias A, Karaiskos P, Terzoudi G. The use of G2/M-checkpoint abrogators and cytogenetics to study the mechanisms underlying individual radiosensitivity and tumor resistance. ICRR 2019 in Manchester, 25 – 29 August 2019.
  74. P. Archontakis, A. Moutsatsos, E. Zoros, E. Pappas and E. Pantelis, “Contribution of scattered radiation to image formation and imaging dose in CyberKnife radiosurgery”, 14th International Stereotactic Radiosurgery Society congress (ISRS), June 2019, Rio De Janeiro, Brazil.
  75. A Logothetis, E Pantelis, E Zoros, E Pappas,   G Kollias, A Dimitriadis, I Paddick, J Garding, J Johansson, P Karaiskos, “A phase-space source model for Monte Carlo dosimetry calculations in Gamma Knife clinical applications”, 14th International Stereotactic Radiosurgery Society Congress (ISRS) 2019, June 9 – 13, Rio de Janeiro, Brazil (2019).
  76. G Prentou, A Logothetis, E Pappas, E Koutsouveli, E Pantelis, P Papagiannis, P Karaiskos, “Influence of the rotational patient setup errors on the quality of single isocenter SRS-VMAT brain metastases treatments”, 14th International Stereotactic Radiosurgery Society Congress (ISRS) 2019, June 9 – 13, Rio de Janeiro, Brazil (2019).
  77. D Dellios, E P Pappas, I Seimenis, P Karaiskos, “Contrast-enhanced MR images employed in stereotactic radiosurgery: does susceptibility-related distortion pose a significant problem?”, European Congress of Radiology (ECR) 2019, February 27 – March 3, Vienna, Austria (2019).
  78. M. Psarras, A. Ploussi, S. C. Spiliopoulos, K. Palialexis, L. Reppas, A. Kelekis, D. Filippiadis, E. P. Efstathopoulos, I. Seimenis. Are cephalic radiation doses to interventional radiologists too high? e-poster, ECR, Vienna, 27 Feb-3 Mar 2019.
  79. Kostas Perisinakis, Antonis Tzedakis, Nikos Ntoufas, John Stratakis, Mary Velivasaki, John Damilakis. The effect of scout view length on mA modulation during thoracic CT examinations. Oral presentation European Congress of Radiology, Vienna 2019.
  80. Armpilia C, Antypas C, Avgousti R, Zygogianni A, Kouloulias V, Moulopoulou L. Evaluation of delta4 phantom’s spatial sensitivity. 2nd European Congress of Medical Physics 2018. Copenhagen, August 23-25, 2018. Phys Med, 2018; 52, p. 141, https://doi.org/10.1016/j.ejmp.2018.06.453.
  81. Papadopoulos K, Siltzovalis G, Savva MI, Vasilopoulou T, Georgolopoulou P, Karaiskos P, Kalef-Ezra J, Stamatelatos IE, An improved method to determine neutron fluence in high energy medical accelerators using activation detectors, 27th Annual Symposium of the Hellenic Nuclear Physics Society, 8-9 June 2018, Athens, Greece.
  82. Siltzovalis G, Papadopoulos K, Savva MI, Vasilopoulou T, Georgolopoulou P, Karaiskos P, Kalef-Ezra J, Stamatelatos I E, Evaluation of neutron fluence in the treatment room and along the maze of an 18 MV linear accelerator, Annual Symposium of the Hellenic Nuclear Physics Society, 8-9 June 2018, Athens, Greece.
  83. E. P. Pappas, E. Zoros, G. Anagnostopoulos, G. Antorkas, E. Pantelis, P. Karaiskos “PO-0877: Multi-detector dosimetry for QA in advanced radiotherapy modalities: a comparative study” ESTRO 37, 20-24 April 2018, Barcelona, Spain.
  84. E. Pantelis, A. Moutsatsos, C. Antypas, E. Zoros, P. Pantelakos, L. Lekas, P. Romanelli, K. Zourari, C. J. Hourdakis, “Phantom and Patient Based Estimation of the Targeting Accuracy of a Robotic Radiosurgery System” 60th AAPM meeting, 25-29 July 2018 Nashville, USA.
  85. E P Pappas, E Zoros, G Anagnostopoulos, G Antorkas, E Pantelis, P Karaiskos, “Multi-detector dosimetry for QA in advanced radiotherapy modalities: a comparative study”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting, ESTRO 37 (2018), April 20 – 24, Barcelona, Spain. Abstract published in Radiotherapy & Oncology, Vol. 127, Suppl. 1, S462-S463 (2018).
  86. E. Prentou, P. Papagiannis, E. Pantelis, E. Zoros, P. Karaiskos “[OA153] EBT3 radiochromic film dosimetry in kV X-ray radiation therapy,” ECMP 2018, Phys. Medica Eur. J. Med. Phys., vol. 52, pp. 58–59, 2018, Copenhagen, Denmark.
  87. G. Prentou, P. Karaiskos, P. Papagiannis, E. Pantelis, E. Koutsouveli “[OA191] Influence of the degree of the geometric uncertainty on the quality of single isocenter VMAT multiple target treatments,” ECMP 2018, Phys. Medica Eur. J. Med. Phys., vol. 52, pp. 73–74, 2018, Copenhagen, Denmark.
  88. Kalaitzakis, Georgios | Boursianis, Themistoklis | Kozana, Androniki | Pappas, Evangelos | Raissaki, Maria | Maris, Thomas G. [OA017] Fabrication of an anthropomorphic neonatal 3D printed head phantom, to be utilized as a quality assurance means for the optimization of the neonatal brain T1 and T2 weighted sequences on a 1.5T clinical MRI system. Physica Medica, volume 52 (2018). 10.1016/j.ejmp.2018.06.089, Open Access.
  89. Kozana, Androniki | Boursianis, Themistoklis | Kalaitzakis, Georgios | Raissaki, Maria | Maris, Thomas G. [P045] Neonatal brain: Contrast to noise ratio (CNR) optimization of T1-weighted (T1W) and T2-weighted (T2W) sequences at multiple 1.5T MRI systems, utilizing a neonatal brain tissue mimicking phantom. Physica Medica, volume 52 (2018). 10.1016/j.ejmp.2018.06.369, Open Access.
  90. C. Hourdakis, K. Zourari, Z. Thrapsanioti, E. Pantelis, C. Antypas, P. Pantelakos, P. Karaiskos, G. Kollias, E. Zoros, E. Pappas, "A patient-specific audit test for stereotactic radiosurgery treatment modalities", ISRS 2017, May 28 - June 1, Montreux, Switzerland.
  91. G. Prentou, E. Koutsouveli, E. Pantelis, P. Papagiannis, E. Georgiou, P. Karaiskos. “Influence of multiple brain metastases’ size and number on the quality of SRS – VMAT dose delivery”, BIOMEP 2017 - Conference on Bio-Medical Instrumentation and related Engineering and Physical Sciences, Athens, October 12 -13 2017. IOP Conf. Series: Journal of Physics: Conf. Series 931 (2017) 012022 doi :10.1088/1742-6596/931/1/012022.
  92. E. Pappas, C. Antypas, C. Hourdakis, D. Makris, E. Pappas, E. Zoros, E. Pantelis, P. Pantelakos, Z. Thrapsanioti. “End-to-End audit tests for advanced radiotherapy treatment modalities involving patient-specific 3D dosimetry phantoms”, International Conference on Advances in Radiation Oncology #ICARO2, International Atomic Energy Agency, 20-23 June 2017, Vienna, Austria.
  93. E. Vlastou, M. Gazouli, A. Ploussi, K. Platoni, E. Esftathopoulos. "Nanoparticles: nanotoxicity aspects" Journal of Physics: Conference Series. Vol. 931. No. 1. IOP Publishing, 2017.
  94. E P Pappas, D Dellios, I Seimenis, A Moutsatsos, E Georgiou and P Karaiskos, “Review and comparison of geometric distortion correction schemes in MR images used in stereotactic radiosurgery applications”, BIOMEP 2017, October 12 – 13, Athens Greece. Abstract published in Journal of Physics: Conference series, Vol. 931, 012031 (2017).
  95. A Logothetis, E P Pappas, E Zoros, E Pantelis, A Dimitriadis, I Paddick and P Karaiskos, “Development of a Phase Space source model for Monte Carlo dosimetry in Gamma Knife applications”, BIOMEP 2017, October 12 – 13, Athens, Greece (2017).
  96. A Logothetis, E Zoros, E P Pappas, E Pantelis, A Dimitriadis, I Paddick and P Karaiskos, “Dosimetric validation of the Convolution and TMR 10 dose algorithms of the GammaPlan treatment planning system”, BIOMEP 2017, October 12 – 13, Athens, Greece (2017).
  97. E P Pappas, I Seimenis, D Dellios, A Moutsatsos, E Georgiou, P Karaiskos, “EP-1726: Efficacy of vendor supplied distortion correction algorithms for a variety of MRI scanners”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting, ESTRO 36 (2017), May 5 – 9, Vienna, Austria. Abstract published in Radiotherapy and Oncology, Vol. 123, Suppl. 1, S947 – S948 (2017).
  98. E Zoros, E P Pappas, K Zourari, E Pantelis, A Moutsatsos, G Kollias, C I Hourdakis, P Karaiskos, “EP-1438: Experimental determination of correction factors for reference dosimetry in Gamma Knife Perfexion”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting, ESTRO 36 (2017), May 5 – 9, Vienna, Austria. Abstract published in Radiotherapy and Oncology, Vol. 123, Suppl. 1, S767 (2017).
  99. E P Pappas, E Zoros, K Zourari, C I Hourdakis, P Papagiannis, P Karaiskos, E Pantelis, “PO-0774: Investigation of dose-rate dependence at an extensive range for PRESAGE radiochromic dosimeter”, European Society for Radiotherapy & Oncology (ESTRO) annual meeting, ESTRO 36 (2017), May 5 – 9, Vienna, Austria. Abstract published in Radiotherapy & Oncology, Vol. 123, Suppl. 1, S410 (2017).
  100. I Seimenis, E P Pappas, A Moutsatsos, E Georgiou, P Karaiskos, “Estimation and correction of susceptibility related distortions in MRI”, European Congress of Radiology (ECR) 2017, March 1 – 5, Vienna, Austria (2017).
  101. N.G. Servitzoglou, A. Siountas, S. Stoulos. Natural radioactivity levels in wheat, farm soils and phosphate fertilizers. 26th Annual Symposium of HNPS, Hellenic Centre of Marine Research, Jun 9-10, 2017.
  102. P Karaiskos, E P Pappas, A Moutsatsos, E Zoros, G Kollias, E Georgiou. On the use of PRESAGETM 3D dosimetry for Gamma Knife treatment verification. 18th Leksell Gamma Knife Society meeting (LGKS) 2016, Abstracts electronic presentations, page 361, May 15 – 19, Amsterdam, The Netherlands.
  103. G. Antorkas, E. Zoros, E. Pantelis, G Kollias, E Georgiou, P Karaiskos. “Comparison of two film dosimetry methods for dose verification in stereotactic radiosurgery applications”, 1st European Congress of Medical Physics (ECMP), 1-4 September 2016, Athens, Greece.
  104. E. Vlastou, J. Antonakos, E. Efstathopoulos, N. Kafkas, N. Makris, C. Besios, P. Raptou “A comparison of dose area product from different angiography procedures”. Physica Medica: European Journal of Medical Physics, 32, 305 (2016).
  105. P. Kalavrezos, K. Platoni, G. Patatoukas, M. Dilvoi, E. Vlastou, V. Kouloulias, E. Efstathopoulos, I. Seimenis. “Photon and electron beam penumbra determination using different measuring systems.” Physica Medica: European Journal of Medical Physics, 32, 301. (2016)
  106. E. Vlastou, J. Antonakos, E. Simeonidou, P. Flevari, D. Leftheriotis, S. Deftereos, E. Efstathopoulos, “Patient Effective Dose during pacemaker implantation at a Flat Panel and Image Intensifier angiography system”. Physica Medica, 32(3), 289 (2016)
  107. E P Pappas, I Seimenis, A Moutsatsos, E Zoros, E Georgiou, P Karaiskos, “Evaluation and correction of patient-induced distortion in MR images used in stereotactic radiosurgery”, European Congress of Medical Physics (ECMP) 2016, September 1 – 4, Athens, Greece. Abstract published in Physica Medica, Vol. 32, Suppl. 3, page 325 (2016)
  108. A Moutsatsos, E Pantelis, C Antypas, L Petrokokkinos, E P Pappas, E Zoros, P Pantelakos, E Georgiou, P Karaiskos, “On the use of presage detectors for the dosimetry of helical tomotherapy small fields”, European Congress of Medical Physics (ECMP) 2016, September 1 – 4, Athens, Greece. Abstract published in Physica Medica, Vol. 32, Suppl. 3, page 332 (2016)
  109. M Alshanqity, E P Pappas, P Karaiskos, A Moutsatsos, K Alsafi, H Lababidi, E Georgiou, “Assessment of total geometric distortion in MR images used in intracranial stereotactic radiosurgery”, European Congress of Medical Physics (ECMP) 2016, September 1 – 4, Athens, Greece. Abstract published in Physica Medica, Vol. 32, Suppl. 3, pages 248-249 (2016)
  110. E Zoros, E P Pappas, A Moutsatsos, E Pantelis, C Paraskevopoulou, E Georgiou, P Karaiskos, “Monte Carlo determination of correction factors for dosimetric measurements in gamma knife perfexion small fields”, European Congress of Medical Physics (ECMP) 2016, September 1 – 4, Athens, Greece. Abstract published in Physica Medica, Vol. 32, Suppl. 3, page 237 (2016)
  111. G Prentou, E Pappas, E Koutsouveli, P Nomikos, E Georgiou, P Karaiskos, “Geometric, DVH and plan quality differences induced from different patient image registration methods used in gamma knife applications”, European Congress of Medical Physics (ECMP) 2016, September 1 – 4, Athens, Greece. Abstract published in Physica Medica, Vol. 32, Suppl. 3, page 324 (2016)
  112. P Karaiskos, G Prentou, E P Pappas, Ε Georgiou, E Koutsouveli, C Skarleas, M Torrens, “Influence of the degree of geometric uncertainty on the quality of Gamma Knife dose delivery”, 18th Leksell Gamma Knife Society meeting (LGKS) 2016, page 187, May 15 – 19, Amsterdam, The Netherlands (2016)
  113. V. Peppa, E. Pappas, P. Karaiskos, P. Papagiannis “On the use of time resolved dose rate distributions in brachytherapy,” Phys. Medica, vol. 32, pp. 207–208, 201 Emmanouil Papanastasiou, Evanthia Papazoglou, Eleni Katrakylidou, Afroditi Haritanti, Anastasios Siountas. Dose reduction in Computed Tomography using Adaptive Statistical Iterative Reconstruction (ASIR). A phantom study. 1st European Congress of Medical Physics, Athens, Greece, Sep 1-4, 2016
  114. Charalampos Koulouris, Christina Athanasopoulou, Stefania Chantzi, Nausika Servitzoglou, Anastasios Siountas. Detailed measurements of exposure to electromagnetic radiation of the population of Neapoli-Sykies area. 1st European Congress of Medical Physics, Athens, Greece, Sep 1-4, 2016
  115. Kostas Perisinakis, Christos Donas, Dimitraki Anastasia, John Damilakis. Radioiodine therapy after recombinant human tsh administration or hormone withdrawal: Is there a difference in I-131 effective half-life? Physica Medica: Vol.32(S3):pp209. Oral Presentation, 1st European Congress of Medical Physics (ECMP) 2016.
  116. Kostas Perisinakis, Antonis Tzedakis, Nikos Moraitis, Antonis E. Papadakis, Kostas Pagonidis, John Damilakis. BREAST BISMUTH SHIELDING IN CORONARY CT ANGIOGRAPHY: TO SHIELD OR NOT TO SHIELD? Physica Medica: Vol.32(S3):pp233. Oral Presentation, 1st European Congress of Medical Physics (ECMP) 2016.
  117. Nikolakopoulou A., Armpilia C., Antypas C., Karanasiou E., Avgousti R., Apostolou E., Uzunoglu N., Gogalis I., Kouloulias V. Documentation of a new intracavitary applicator for transrectal hyperthermia for prostate cancer cases. 1st European Congress of Medical Physics. September 1–4, 2016, Athens, Greece, September 1-4, 2016. Phys Med. 2016; 32 (Suppl. 3), p. 229, https://doi.org/10.1016/j.ejmp.2016.07.471.
  118. Apostolou E, Avgousti R, Armpilia C, Nikolakopoulou A, Zygogianni A, Antypas C. On the spatial sensitivity of a 3D dosimetric phantom. 1st European Congress of Medical Physics. September 1–4, 2016. Athens, Greece, September 1-4, 2016. Phys Med. 2016; 32 (Suppl. 3), p. 266. https://doi.org/10.1016/j.ejmp.2016.07.579.
  119. Armpilia C, Zygogianni A, Avgousti R, Apostolou E, Nikolakopoulou A, Antypas C. Impact of (virtual) set-up errors on DVH dose results in IMRT plans for head-neck cancer. 1st European Congress of Medical Physics. September 1–4, 2016. Athens, Greece, September 1-4, 2016. Phys Med. 2016; 32,  p. 290-291. https://doi.org/10.1016/j.ejmp.2016.07.115.
  120. P Karaiskos, G Kollias, E Koutsouveli, C Paraskevopoulou, T G Maris, G Kalaitzakis, T Boursianis, D Makris, E P Pappas. Use of an innovative patient-specific plan verification methodology towards highlighting treatment effectiveness in gamma knife SRS treatments. Abstracts oral presentations, page 189, May 15 – 19, 2016, Amsterdam, The Netherlands.
  121. K. Zourari, M. Zoros, E. Pappas, E. Pantelis, P. Karaiskos and P. Papagiannis, “The potential of semi-analytical dose calculation algorithms for low energy brachytherapy,” International Conference on Medical Physics (ICMP), 3 – 5 August 2015, Birmingham, UK. J Nucl Med Radiat Ther, vol. 6, no. 4, p. 27, 2015.
  122. E Pappas, A Moutsatsos, E Zoros, V Peppa, K Zourari, P Karaiskos, P Papagiannis, “TH-AB-BRA-04: A Physical Phantom for Experimental Commissioning and Performance Testing of 192Ir MBDCAs”, American Association of Physicists in Medicine (AAPM) Annual Meeting 2015, July 12 – 16, Anaheim, California, USA. Abstract published in Medical Physics, Vol. 42, no. 6, page 3708 (2015)
  123. E P Pappas, P Karaiskos, A Moutsatsos, E Pantelis, E Georgiou, M Torrens, I Seimenis, “Evaluation of stereotactic frame induced geometric distortions in clinically-used MR sequences”, 12th International Stereotactic Radiosurgery Society Congress (ISRS) 2015, June 7 – 11, Yokohama, Japan (2015)
  124. K. Zourari, M. Zoros, E. Pappas, E. Pantelis, P. Karaiskos, and P. Papagiannis, “On the preparation of virtual brachytherapy sources from monte carlo generated phase space data,” International Conference on Medical Physics (ICMP), 3 – 5 August 2015, Birmingham, UK. J Nucl Med Radiat Ther, vol. 6, no. 4, p. 27, 2015.
  125. V. Peppa, E. Pappas, V. Lahanas, E. Pantelis, and P. Papagiannis, “SU-F-BRA-12: End-User Oriented Tools and Procedures for Testing Brachytherapy TPSs Employing MBDCAs,” Med. Phys., vol. 42, no. 6, pp. 3536–3536, Jun. 2015.
  126. V. Peppa, E. Pappas, E. Pantelis, T. Major, C. Polgar, and P. Papagiannis, “SU-E-T-580: On the Significance of Model Based Dosimetry for Breast and Head and Neck 192Ir HDR Brachytherapy,” Med. Phys., vol. 42, no. 6, pp. 3469–3469, Jun. 2015.
  127. Sarlikiotis N., Potiriadis C., Nikolaki M., Stamatelatos I.E. MCNP model of the EEAE ACCUSCAN Whole Body Counter, (2015) HNPS Advances in Nuclear Physics, 23, pp. 171 – 174. DOI: 10.12681/hnps.1899.
  128. N. Yakoumakis, A. Episkopakis, E. Koutsouveli, G. Kollias, C. Paraskevopoulou, P. Sandilos, P. Karaiskos, “Accuracy assessment of pencil beam and Monte Carlo dose calculation algorithms during IMRT and VMAT delivery” 8th European Conference on Medical Physics (ECMP), Athens, Greece 2014 (Abstract in:  Physica Medica, Volume 30, Supplement 1, Page 110).
  129. T. Riga, E. Koutsouveli, C. Skarleas, K. Dardoufas, P. Karaiskos, “Optimization of cone beam CT protocols used in image guided radiotherapy applications” 8th European Conference on Medical Physics (ECMP), Athens, Greece 2014 (Abstract in Physica Medica, Volume 30, Supplement 1, page 40).
  130. M. Andreou, S. Kordolaimi, E. Koutsouveli, P. Sandilos, C. Dardoufas, E. Georgiou, P. Karaiskos, “Biological versus physical based optimization for VMAT and IMRT treatment of prostate and head and neck cancer”, 8th European Conference on Medical Physics (ECMP), Athens, Greece 2014 (Abstract in:  Physica Medica, Volume 30, Supplement 1, Page 103).
  131. K. Dalianis, A. Nikaki, R. Efhtymiadou, J. Andreou, V. Prassopoulos. Dosimetric evaluation to medical workers operating in a PET/CT department after the use of dynamic techniques. 8th European Conference on Medical Physics September 11th-13th, 2014.
  132. E Pappas, A Moutsatsos, P Karaiskos, E Pantelis, E Georgiou, M Torrens, “Stereotactic frame induced geometric distortions in MR images employed in Gamma Knife radiosurgery applications”, European Conference on Medical Physics (ECMP) 2014, September 11 – 13, Athens, Greece. Abstract published in Physica Medica, Vol. 30, Suppl. 1, e68 (2014).
  133. E Zoros, E Pappas, E Pantelis, “Evaluation of the accuracy of the electron transport algorithms of the MCNP6 and EGSnrc Monte Carlo codes using Fano theorem”, European Conference on Medical Physics (ECMP) 2014, September 11 – 13, Athens, Greece. Abstract published in Physica Medica, Vol. 30, Suppl. 1, e113 (2014)
  134. L. Petrokokkinos, A. Moutsatsos, E. Pappas, E. Pantelis, P. Karaiskos, P. Papagiannis. Virtual DICOM-CT based phantoms for the assessment of radiation therapy TPS volumetric accuracy” Physica Medica: European Journal of Medical Physics, Volume 30, e24 (2014)
  135. V. Peppa,  E. Pappas,  E. Pantelis,  P. Papagiannis “A QA procedure for brachytherapy TPS employing model based dose calculations, based on Monte Carlo simulation and end user oriented tools”   Physica Medica: European Journal of Medical Physics , Volume 30, e68 (2014)
  136. P. Papagiannis, E. Pantelis, V. Peppa, V. Lahanas, E. Pappas, C. Loukas “BRACHYGUIDE: An end-user oriented tool for benchmarking brachytherapy TPS dosimetry beyond TG-43” Radiotherapy and Oncology, 111(Suppl.1) p.159 (2014)
  137. K. Zourari,  V. Peppa,  A. Herein,  T. Major,  P. Papagiannis “A retrospective dosimetry comparison of TG43 and a commercially available MBDCA algorithm for an APBI brachytherapy patient cohort” Physica Medica 30, e108 (2014)
  138. N.G. Servitzoglou, S. Stoulos, A. Siountas. Natural radioactivity studies of phosphate fertilizers applied on Greek farm soils used for wheat cultivation. CHERNE 2014. 10th workshop on European Collaboration for Higher Education and Research in Nuclear Engineering and Radiological Protection.
  139. N.G. Servitzoglou, S. Stoulos, A. Siountas. Environmental radioactivity measurements of Greek soils. 8th European Conference on Medical Physics, Athens, Greece, Sep 11-13, 2014
  140. P. Mandourari, C. Antypas, C. Armpilia, J. Floros, P. Sandilos. In vivo dose verification of 3D conformal treatment with the use of an a-Si EPID. Physica Medica: European Journal of Medical Physics Vol. 30 Supplement e64, 2014
  141. P. Mandourari, C. Antypas, C. Armpilia, J. Floros, M. Rouchota, P. Sandilos. In vivo dose verification of 3D conformal treatments with the use of radiochromic films EBT2 films. Physica Medica: European Journal of Medical Physics Vol. 30 Supplement e64, 2014
  142. Avgousti R., Floros I., Rouchota M., Armpilia C., Karaiskos P., Lyra M., Antypas C. Implementation of the AAPM task group 119 report for IMRT commissioning on a 3D dosimetric phantom. 8th European Conference on Medical Physics, Athens, September 11-13, 2014.Phys Med, 2014; 30, p. e 23-24, https://doi.org/10.1016/j.ejmp.2014.07.080
  143. Mandourari P., Antypas C., Armpilia C., Floros I., Sandilos P. In vivo dose verification of 3D conformal treatments with the use of an a-Si EPID. 8th European Conference on Medical Physics, Athens, September 11-13, 2014. Phys Med, 2014; 30, p. e 64, https://doi.org/10.1016/j.ejmp.2014.07.193
  144. Mandourari P., Antypas C., Armpilia C., Floros I., Sandilos P. In vivo dose verification of 3D conformal treatments with the use of radiochromic EBT2 films. 8th European Conference on Medical Physics, Athens, September 11-13, 2014. Phys Med, 2014; 30, p. e 65, https://doi.org/10.1016/j.ejmp.2014.07.194
  145. E. Yakoumakis­, E. Tzamicha, A.Dimitriadis­, E. Georgiou­, V. Tsapaki­, Chalazonitis. Dual-energy contrast-enhanced digital mammography: patient radiation dose estimation using a Monte Carlo Code. International Conference. Radiation Protection in Medicine Varna, Bulgaria, 30May-2June, 2014
  146. Yakoumakis E, Dimitriadis A, Tzamicha E, Makri Tr, Karavasilis E, Georgiou E. Radiation dose calculations during pediatric barium meal examinations using mcnp5 and pcxmc 2.0 monte carlo codes. Physica Medica: European Journal of Medical Physics,Vol. 30, Sup. 1: pp e98, 2014. 8th European Conference on Medical Physics (book of abstracts P063), September 11-13, 2014, Athens, Greece.
  147. Yakoumakis E, Tzamicha E, Dimitriadis A, Georgiou E, Tsapaki V, Chalazonitis A. Dual-energy contrast-enhanced digital mammography: Glandular dose estimation using monte carlo code and voxel phantom. Physica Medica: European Journal of Medical Physics,Vol. 30, Sup. 1: pp e101, 2014. 8th European Conference on Medical Physics (book of abstracts P074), September 11-13, 2014, Athens, Greece.
  148. E Pappas, A Moutsatsos, I Seimenis, E Karavasilis, M Torrens, E Georgiou, P Karaiskos, “A new phantom for the assessment of MR related geometric distortions affecting Gamma Knife radiosurgery”, International Conference on Medical Physics (ICMP) 2013, September 1 – 4, Brighton, UK. Abstract published in International Journal of Medical Physics, Vol.1, no. 2 (2013).
  149. A Moutsatsos, P Karaiskos, E Karavasilis, E Pappas, E Pantelis, E Georgiou, I Seimenis, M Torrens, “A methodology for assessing and improving the total geometric accuracy in gamma knife radiosurgery”, 11th International Stereotactic Radiosurgery Society Congress (ISRS) 2013, June 16 – 20, Toronto, Canada (2013).
  150. V. Lahanas, V. Peppa, E. Pantelis, P. Papagiannis, “An Octree-based indexing method for Monte Carlo dosimetry in brachytherapy”, 2nd ESTRO Forum, Geneva – Switzerland, Radiotherapy and Oncology, p. S11, Volume 106, Suppl.2 (2013).
  151. V. Peppa, K. Zourari, E. Pantelis, P. Papagiannis, “Tissue segmentation significance for individualized 192Ir brachytherapy dosimetry”, 2nd ESTRO Forum, Geneva – Switzerland, Radiotherapy and Oncology, p. S371, Volume 106, Suppl.2 (2013).
  152. V. Peppa, K. Zourari, E. Pappas, E. Pantelis, and P. Papagiannis, “A COMPARISON OF CONVENTIONAL AND CONTEMPORARY DOSIMETRY FOR A BRACHYTHERAPY COHORT OF 68 APBI PATIENTS,” Med. Phys. Int. Journal, vol.1, No.2, p. 512, 2013.
  153. E. Pantelis, P. Karaiskos, E. Zoros, E. Georgiou, C. Antypas, A. Salvara, N. Salvaras, E. Koutsouveli, M. Torrens, “DOSE VERIFICATION IN STEREOTACTIC RADIOSURGERY CLINICAL APPLICATIONS USING EBT RADIOCHROMIC FILMS”, 11th International Stereotactic Radiosurgery Society Congress (ISRS), 16-20 June 2013, Toronto, Canada.
  154. Fakinou M., Stamatelatos I.E., Kalef-Ezra J. Neutrons along the labyrinth of high energy medical accelerators: Effect of wall materials, (2013) HNPS Advances in Nuclear Physics, 21, pp. 169 – 171. DOI: 10.12681/hnps.2026.
  155. M. Mazonakis, K. Kourinou, F. Lyraraki, J. Damilakis. Out-of-field organ doses from therapeutic irradiation during childhood: is there an excess risk for second cancer induction? European Congress of Radiology (ECR) 2012. Vienna, Austria, March 1-5, 2012.
  156. I.A. Tsalafoutas, G. Steinhauer, G. Koukourakis, H. Kostopoulou, E. Yakoumakis. Estimation of effective dose for the diagnosis and follow-up of multiple myeloma using conventional radiology.European Medical Physics and Engineering Conference, Sofia, Bulgaria, 18-20 October 2012
  157. I.A. Tsalafoutas, G. Steinhauer, H. Kostopoulou, A. Andreopoulos, E. Yakoumakis. Estimation of entrance skin dose, dose area product and effective dose in radiological examinations performed in a digital radiographic unit using dicom headers and Monte Carlo derived conversion coefficients European Medical Physics and Engineering Conference, Sofia, Bulgaria, 18-20 October 2012
  158. E. Yakoumakis, H. Kostopoulou, T. Makri, A. Dimitriadis, E. Georgiou, I. Tsalafoutas.Radiation dose and risk to children undergoing cardiac catheterization for the treatment of a congenital heart disease using Monte Carlo simulations.European Medical Physics and Engineering Conference, Sofia, Bulgaria, 18-20 October 2012.
  159. T. Berris, M. Mazonakis, J. Stratakis, A. Tzedakis, A. Fasoulaki, J. Damilakis. Calculation of organ doses from radiotherapy of breast cancer, using Monte Carlo methodology. European Congress of Radiology (ECR) 2011. Vienna, Austria, March 3-7, 2011.
  160. M. Papadakis, K. Perisinakis, I. Oikonomou, J. Damilakis. Automatic exposure control in standard CT scans of children and adults: What is the reduction in organ and effective dose?  European Congress of Radiology (ECR 2010), Vienna, Austria 4-8 March 2010.
  161. T. Berris, M. Mazonakis, J. Stratakis, A. Tzedakis, J. Damilakis. Determination of radiation dose and risk for second cancer induction from radiotherapy of heterotopic ossification: a Monte Carlo study. International Conference on Radiation Protection in Medicine. Varna, Bulgaria, September 1-3, 2010.
  162. A. Dimitriadis, G. Gialousis, T. Makri, M. Karlatira, P. Karaiskos, E. Georgiou and E.N. Yakoumakis.Monte Carlo estimation of radiation doses during paediatric barium meal and micturating cystourethrography examinations. International Conference Radiation Protection in Medicine Varna, Bulgaria, 1-3, 09, 2010.
  163. G. Gialousis, Z. Pappouli, A. Dimitriadis, E. Karavassilis, E. Georgiou and E. Yakoumakis. Comparison of organ doses estimations in radiology with PCXMC application based on MIRD phantoms and CALDOSE-X application based on voxel phantoms. International Conference Radiation Protection in Medicine Varna, Bulgaria 1-3, 09, 2010.
  164. G. Gialousis, A. Dimitriadis, E. Yakoumakis. Monte Carlo estimation of dose difference in lung from Ir-192 Brachytherapy due to tissue inhomogeneit International Conference Radiation Protection in Medicine Varna, Bulgaria 1-3, 09, 2010.
  165. A. Neocleous, E. Yakoumakis, G. Gialousis, A. Dimitriadis, N. Yakoumakis and E.Georgiou. Gafchromic XR-RV2 radiochromic films dosimetry ininterventional radiology.International Conference Radiation Protection in Medicine Varna, Bulgaria 1-3, 09, 2010.
  166. Antoniou, P., Kotini, A., Mavraki, E., Anninos, P. A., Piperidou, H. (2009). Correlation dimension of Magnetoencephalographic signals as a marker for brain pathogeny, Book of abstracts: CHAOS 2009, Chaotic Modelling and Simulation International Conference, 1-5 June 2009 Chania Greece, p.4-5.
  167. Antoniou, P., Delidou, E., Kaldoudi, E., (2009) Astronomy Education for the Publiv via Web Technologies. From the e-Library, through the e-Classroom, towards the e-Facilitator, Proceedings of INTED2009: International Technology, Education and Development Conference, pp. 5063-5070, Valencia, March 9-11, 2009.
  168. Antoniou,P., Delidou, E., Aggeioplasti, A., Kaldoudi, E., (2008). Astronomy Education for the Public via emerging internet technologies Proceedings of the International Conference of Education, Research and Innovation 2008 (ICERI 2008) Madrid 17-19 November 2008.
  169. F. Zacharopoulou, M. Mazonakis, H. Varveris, J. Damilakis. Peripheral dose estimation for 6 and 18 MV radiation therapy beams: a computerised method based on an experimental study. ESTRO 27 (European Society for Therapeutic Radiology and Oncology), Goteborg, Sweden, September 14-18, 2008.
  170. Kaldoudi, E., Karaiskakis, D., Antoniou, P., Xinidis, D., Manavis, J., (2006). An Academic Teaching File Authoring Environment to Support Higher Education in Medicine, in Proceedings of ICICTH 2006: The 4th International Conference on Information Communication Technologies in Health, pp. 27-33, Samos, Greece, July 13-15, 2006.
  171. Kaldoudi, E., Karaiskakis, D., Antoniou, P., Xinidis, D., Manavis, J., (2006). Teaching Files as Learning Modules in Undergraduate Medical Education, ITAB 2006: IEEE International Special Topic Conference on Information Technology in Biomedicine, Ioannina, Greece, October 26-28, 2006.
  172. Manavis, J., Kaldoudi, E., Antoniou, P., Deftereos, S., Touloupidis, S., (2005). Magnetic resonance imaging of normal and benign conditions of the urinary bladder, presented in ESUR2005, Slovenia, 8-11 September 2005 & published in: Eur. Radiol., vol. p.147, 2005.
  173. I. Abatzoglou, P. Anninos, A. Adamopoulos, A. Kotini, N. Tsagas. Magnetoencephalogram and Linear Analysis Before and After Magnetic Stimulation in Alzheimer Disease Patients. WSEAS. InternationalConference on Cellular and Molecular Biology, Biophysics and Bio engineering, Athens, Greece, July 15-17, 2005.
  174. Goni H, PapadopoulouD, Yakoumakis Em, Stratigis N, Benos J,Siriopoulou V, Makri Tr, Georgiou Ev. Investigation of Occupational Radiation Exposure during Interventional Cardiac Catheterizations Performed via Radial Artery. Workshop on Optimisation of dose and performance in interventional and digital imaging. 25th - 27th March 2004, the House of Chievres, Leuven, Belgium.
  175. Papadopoulou D, Yakoumakis Em, Sandilos P, Thanopoulos V, Makri Tr, Gialousis G, Houndas D, Yakoumakis N, Georgiou Ev. Entrance Radiation Doses during Paediatric Cardiac Catheterizations for the Diagnosis or the Treatment of a Congenital Heart Disease. Workshop on Optimisation of dose and performance in interventional and digital imaging. 25th - 27th March 2004, the House of Chievres, Leuven, Belgium.
  176. I. Abatzoglou, P. Anninos, A. Adamopoulos, N. Tsagas, K. Chourdakis. MEG analysis and pTMS in Alzheimer patients. 8th IABC Workshop, Alexandroupolis, Greece, Septemer 19- 21, 2003.
  177. I. Kotini, N. Koutlaki, P. Skafida, A. Adamopoulos, I. Abatzoglou, P. Anninos, P. Anastasiadis. Biomagnetism in differential diagnosis of ovarian lesions. The 5th Athens Congress on Woman’s Health and Disease - Gynecologic and Reproductive Issues, Athens, Greece, September 26-29,2002.
  178. Kotini, A., Koutlaki, N., Skafida, P., Adamopoulos, A., Antoniou, P., Anninos, P., Anastasiadis, P., (2002). Non linear analysis in breast tumors. Proceedings of the Fifth Athens congress of woman’s health & disease, gynecologic & reproductive issues pp.: 289. Greece, September 26 – 29 2002.
  179. Tierris Ch, Yakoumakis E, Stefanou E, Phanourakis I, Antonakos J, Bramis G and Proukakis Ch. Image quality and radiation doses in intra-oral radiography. 7th European Congress of Dendomaxillofacial Radiology, 15-18 Ιουνίου 2000.
  180. Tierris Ch, Yakoumakis E, Stefanou E, Papadakis E, Antonakos J, Bramis G and Proukakis Ch. Τhe effect of film processing in dental radiographic image quality. 7th European Congress of Dendomaxillofacial Radiology, 15-18 Ιουνίου 2000.
  181. Chatzigiannaki, A., Delichas, M., Papanastasiou, E., Antoniou, P., Psarrakos, K., (1999). Patient doses from typical radiographic examinations in Thessaloniki. Proceedings of the VI International Conference on Medical Physics – Patras Medical Physics ’99 pp.217, Greece, September 1-4, 1999.