Select a search filter :



  • Monte Carlo and experimental determination of correction factors for gamma knife perfexion small field dosimetry measurements

    E Zoros, A Moutsatsos, EP Pappas, E Georgiou, G Kollias, P Karaiskos, E Pantelis

    Physics in Medicine & Biology , 2017

    DOI : https://doi.org/10.1088/1361-6560/aa8590url
  • PO-0774: Investigation of dose-rate dependence at an extensive range for PRESAGE radiochromic dosimeter

    EP Pappas, E Zoros, K Zourari, CI Hourdakis, P Papagiannis, P Karaiskos, E Pantelis

    Radiotherapy and Oncology , 2017

    DOI : http://dx.doi.org/10.1016/S0167-8140(17)31211-2url
  • EP-1438: Experimental determination of correction factors for reference dosimetry in Gamma Knife Perfexion

    E. Zoros, E. P. Pappas, K. Zourari, E. Pantelis, A. Moutsatsos, G. Kollias, C. I. Hourdakis, P. Karaiskos

    Radiotherapy and Oncology , 2017

    DOI : 10.1016/S0167-8140(17)31873-Xurl
  • Characterization of system-related geometric distortions in MR images employed in Gamma Knife radiosurgery applications

    E P Pappas, I. Seimenis, A. Moutsatsos, E. Georgiou, P. Nomikos, P. Karaiskos

    Physics in Medicine and Biology , 2016

    DOI : http://dx.doi.org/10.1088/0031-9155/61/19/6993url
  • Geometric, DVH and plan quality differences induced from different patient image registration methods used in gamma knife applications

    G. Prentou, E. Pappas, E. Koutsouveli, P. Nomikos, E. Georgiou, P. Karaiskos

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2016.07.218url
  • Dosimetric and radiobiological comparison of TG-43 and Monte Carlo calculations in 192Ir breast brachytherapy applications.

    V. Peppa, E. Pappas, P. Karaiskos, P. Papagiannis

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2016.09.020url
  • Testing MBDCA performance in 192 Ir HDR brachytherapy for lip carcinoma

    V Peppa, E Pantelis, T Major, I Skampardoni, P Papagiannis

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2016.07.703url
  • Monte carlo determination of correction factors for dosimetric measurements in gamma knife perfexion small fields

    E Zoros, EP Pappas, A Moutsatsos, E Pantelis, C Paraskevopoulou, E Georgiou, P Karaiskos

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2016.07.494url
  • On the use of presage detectors for the dosimetry of helical tomotherapy small fields

    A Moutsatsos, E Pantelis, C Antypas, L Petrokokkinos, EP Pappas, E Zoros, P Pantelakos, E Georgiou, P Karaiskos

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2016.07.241url
  • Dosimetric comparison of 3D chemical dosimeters for use in modern RT/SRS quality assurance

    L. Petrokokkinos, A. Moutsatsos, E. Pappas, I. Seimenis, E. Pantelis, P. Karaiskos, P. Papagiannis

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2016.07.492url
  • Assessing the calculation accuracy of clinical indices using dicom-ct based phantoms applicable in modern radiotherapy techniques

    L. Petrokokkinos, A. Moutsatsos, E. Pantelis, P. Karaiskos, E. Georgiou, P. Papagiannis

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2016.07.219url
  • Comparison of two film dosimetry methods for dose verification in stereotactic radiosurgery applications

    G Antorkas, E Zoros, E Pantelis, G Kollias, E Georgiou, P Karaiskos

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2016.07.493url
  • On source models for 192Ir HDR brachytherapy dosimetry using model based algorithms

    E Pantelis, K Zourari, E Zoros, V Lahanas, P Karaiskos, P Papagiannis

    Physics in medicine and biology , 2016

    DOI : http://dx.doi.org/10.1088/0031-9155/61/11/4235url
  • On the Dosimetric Effect of Heterogeneities and Finite Patient Dimensions on 60CO HDR Brachytherapy

    K Zourari, E Pantelis, P Papagiannis

    Brachytherapy , 2016

    DOI : http://dx.doi.org/10.1016/j.brachy.2016.04.033url
  • A user-oriented procedure for the commissioning and quality assurance testing of treatment planning system dosimetry in high-dose-rate brachytherapy

    V. Peppa, E. Pantelis, E. P. Pappas, V. Lahanas, C. Loukas, P. Papagiannis

    Brachytherapy , 2016

    DOI : http://dx.doi.org/10.1016/j.brachy.2015.11.001url
  • EP-1994: On the dosimetric effect of heterogeneities and finite patient dimensions on Co-60 HDR brachytherapy

    K Zourari, E Pantelis, P Papagiannis

    Radiotherapy and Oncology , 2016

    DOI : http://dx.doi.org/10.1016/S0167-8140(16)33245-5url
  • On the impact of improved dosimetric accuracy on head and neck high dose rate brachytherapy

    V Peppa, E Pappas, T Major, Z Takácsi-Nagy, E Pantelis, P Papagiannis

    Radiotherapy and Oncology , 2016

    DOI : http://dx.doi.org/10.1016/j.radonc.2016.01.022url
  • Radiation dose to the fetus during CyberKnife radiosurgery for a brain tumor in pregnancy

    Evaggelos Pantelis, Christos Antypas, Maria Cristina Frassanito, Liana Sideri, Katerina Salvara, Leonidas Lekas, Olga Athanasiou, Maria Piperis, Nikolaos Salvaras, Pantaleo Romanelli

    Physica Medica , 2016

    DOI : http://dx.doi.org/10.1016/j.ejmp.2015.09.014url
  • On the development of a comprehensive MC simulation model for the Gamma Knife Perfexion radiosurgery unit

    EP Pappas, A Moutsatsos, E Pantelis, E Zoros, E Georgiou, M Torrens, P Karaiskos

    Physics in Medicine and Biology , 2016

    DOI : http://dx.doi.org/10.1088/0031-9155/61/3/1182url
  • OC-0383: Validating BRACHYGUIDE: An end-user oriented tool for benchmarking brachytherapy TPS dosimetry beyond TG-43

    P. Papagiannis, E. Pantelis, V. Peppa, V. Lahanas, E. Pappas, C. Loukas

    Radiotherapy and Oncology , 2014

    DOI : 10.1016/S0167-8140(15)30488-6url
  • Experimental dosimetry for model-based 192Ir HDR brachytherapy treatment planning

    A. Moutsatsos, E. Pantelis, E. Pappas, P. Papagiannis

    Physica Medica , 2014

    DOI : 10.1016/j.ejmp.2014.07.112url
  • PO-0970: Tissue segmentation significance for individualized 192Ir brachytherapy dosimetry

    V. Peppa, K. Zourari, E. Pantelis, P. Papagiannis.

    Radiotherapy and Oncology , 2013

    DOI : 10.1016/S0167-8140(15)33276-Xurl
  • PD-0031: An Octree-based indexing method for Monte Carlo dosimetry in brachytherapy

    V. Lahanas, V. Peppa, E. Pantelis, P. Papagiannis

    Radiotherapy and Oncology , 2013

    DOI : 10.1016/S0167-8140(15)32337-9url
  • A QA procedure for brachytherapy TPS employing model based dose calculations, based on Monte Carlo simulation and end user oriented tools

    V. Peppa, E. Pappas, E. Pantelis, P. Papagiannis

    European Journal of Medical Physics , 2014

    DOI : 10.1016/j.ejmp.2014.07.206
  • On the preparation of virtual brachytherapy sources from monte carlo generated phase space data

    K. Zourari, E. Zoros, E. Pappas, E. Pantelis, P. Karaiskos, P. Papagiannis

    J Nucl Med Radiat Ther , 2015

    DOI : 10.4172/2155-9619.S1.003
  • SU-F-BRA-12: End-User Oriented Tools and Procedures for Testing Brachytherapy TPSs Employing MBDCAs

    V. Peppa, E. Pappas, V. Lahanas, E. Pantelis, P. Papagiannis

    Medical Physics , 2015

    DOI : 10.1118/1.4925223url
  • A comparison of conventional and contemporary dosimetry for a brachytherapy cohort of 68 APBI patients

    V. Peppa, K. Zourari, E. Pappas, E. Pantelis, P. Papagiannis

    Medical Physics International Journal , 2013

    url
  • SU-E-T-580: On the Significance of Model Based Dosimetry for Breast and Head and Neck 192Ir HDR Brachytherapy

    V. Peppa, E. Pappas, E. Pantelis, T. Major, C. Polgar, P. Papagiannis

    Medical Physics , 2015

    DOI : 10.1118/1.4924942url
  • TH-AB-BRA-04: A Physical Phantom for Experimental Commissioning and Performance Testing of 192Ir MBDCAs

    E. Pappas, A. Moutsatsos, E. Zoros, V. Peppa, K. Zourari, P. Karaiskos, P. Papagiannis

    Medical Physics , 2015

    DOI : 10.1118/1.4926147url
  • The potential of semi-analytical dose calculation algorithms for low energy brachytherapy

    K. Zourari, M. Zoros, E. Pappas, E. Pantelis, P. Karaiskos, P. Papagiannis

    J Nucl Med Radiat Ther , 2015

    DOI : 10.4172/2155-9619.S1.003
  • A user-oriented procedure for the commissioning and quality assurance testing of treatment planning system dosimetry in high-dose-rate brachytherapy.

    V. Peppa, E. Pantelis, E. Pappas, V. Lahanas, C. Loukas, P. Papagiannis

    Brachytherapy , 2016

    DOI : 10.1016/j.brachy.2015.11.001url
  • BrachyGuide: a brachytherapy-dedicated DICOM RT viewer and interface to Monte Carlo simulation software

    E. Pantelis, V. Peppa, V. Lahanas, E. Pappas, P. Papagiannis

    Journal of Applied Clinical Medical Physics , 2015

    url
  • A web simulation of medical image reconstruction and processing as an educational tool

    D. Papamichail, E. Pantelis, P. Papagiannis, P. Karaiskos, E. Georgiou

    Journal of Digital Imaging , 2015

    DOI : 10.1007/s10278-014-9689-9url
  • Experimental determination of the Task Group-43 dosimetric parameters of the new I25.S17plus (125)I brachytherapy source

    A. Moutsatsos, E. Pantelis, P. Papagiannis, D. Baltas

    Brachytherapy , 2014

    DOI : 10.1016/j.brachy.2014.07.001url
  • Current state of the art brachytherapy treatment planning dosimetry algorithms

    P. Papagiannis, E. Pantelis, P. Karaiskos

    British Journal of Radiology , 2014

    DOI : 10.1259/bjr.20140163url
  • Polymer gel dosimetry for the TG-43 dosimetric characterization of a new 125I interstitial brachytherapy seed

    P. Papagiannis, E. Pantelis, E. Georgiou, P. Karaiskos, A. Angelopoulos, L. Sakelliou, S. Stilliaris, D. Baltas, I. Seimenis

    Physics in Medicine and Biology , 2006

    DOI : 10.1088/0031-9155/51/8/010url
  • Dose characterization of the new Bebig IsoSeed® I25.S17 using polymer gel and MRI

    E. Pantelis, D. Baltas, E. Georgiou, P. Karaiskos, G. Lymperopoulou, P. Papagiannis, L. Sakelliou, I. Seimenis, E. Stilliaris

    Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , 2006

    DOI : 10.1016/j.nima.2006.08.139url
  • Comparison of radiation shielding requirements for HDR brachytherapy using 169Yb and 192Ir sources

    G. Lymperopoulou, P. Papagiannis, L. Sakelliou, N. E. Georgiou, C. Hourdakis, D. Baltas

    Medical Physics , 2006

    DOI : 10.1118/1.2208940url
  • A dosimetric comparison of 169Yb and 192Ir for HDR brachytherapy of the breast, accounting for the effect of finite patient dimensions and tissue inhomogeneities

    G. Lymperopoulou, P. Papagiannis, A. Angelopoulos, P. Karaiskos, E. Georgiou, D. Baltas

    Medical Physics , 2006

    DOI : 10.1118/1.2392408url
  • Quality assurance of Siemen's Virtual Wedge™ by using film dosimetry

    P. Sandilos, T. Paschalis, P. Karaiskos, K. Dardoufas, L. Vlahos

    Physica Medica , 2005

    url
  • Technical note: evaluation of dosimetric performance in a commercial 3D treatment planning system

    P. Sandilos, S. Seferlis, C. Antypas, P. Karaiskos, C. Dardoufas, L. Vlahos

    The British journal of radiology , 2005

    DOI : 10.1259/bjr/57562962url
  • Relative output factor measurements of a 5 mm diameter radiosurgical photon beam using polymer gel dosimetry

    E. Pappas, L. Petrokokkinos, A. Angelopoulos, T. Maris, M. Kozicki, I. Dalezios, V. Kouloulias

    Medical Physics , 2005

    DOI : 10.1118/1.1916048url
  • Three-dimensional dose verification of the clinical application of gamma knife stereotactic radiosurgery using polymer gel and MRI

    P. Papagiannis, P. Karaiskos, M. Kozicki, J. M. Rosiak, L. Sakelliou, P. Sandilos, I. Seimenis, M. Torrens

    Physics in Medicine and Biology , 2005

    DOI : 10.1088/0031-9155/50/9/004url
  • The effect of finite patient dimensions and tissue inhomogeneities on dosimetry planning of 192Ir HDR breast brachytherapy: a Monte Carlo dose verification study

    E. Pantelis, P. Papagiannis, P. Karaiskos, A. Angelopoulos, G. Anagnostopoulos, D. Baltas, N. Zamboglou, L. Sakelliou

    International journal of radiation oncology, biology, physics , 2005

    DOI : 10.1016/j.ijrobp.2004.12.065url
  • Polymer gel dosimetry close to an 125I interstitial brachytherapy seed

    E. Pantelis, G. Lymperopoulou, P. Papagiannis, L. Sakelliou, E. Stiliaris, P. Sandilos, I. Seimenis, M. Kozicki, J. M. Rosiak

    Physics in medicine and biology , 2005

    DOI : 10.1088/0031-9155/50/18/009url
  • A dosimetric comparison of 169Yb versus 192Ir for HDR prostate brachytherapy

    G. Lymperopoulou, P. Papagiannis, L. Sakelliou, N. Milickovic, S. Giannouli, D. Baltas

    Medical Physics , 2005

    DOI : 10.1118/1.2126821url
  • Monte Carlo and thermoluminescence dosimetry of the new IsoSeed® model I25.S17 125I interstitial brachytherapy seed

    G. Lymperopoulou, P. Papagiannis, L. Sakelliou, P. Karaiskos, P. Sandilos, A. Przykutta, D. Baltas

    Medical Physics , 2005

    DOI : 10.1118/1.2089588url
  • Thermoluminescent dosimetry of the selectSeed 125I interstitial brachytherapy seed

    G. Anagnostopoulos, D. Baltas, P. Karaiskos, P. Sandilos, P. Papagiannis, L. Sakelliou

    Medical Physics , 2002

    DOI : 10.1118/1.1469631url
  • Dose verification of single shot gamma knife applications using VIPAR polymer gel and MRI

    P. Karaiskos, L. Petrokokkinos, E. Tatsis, A. Angelopoulos, P. Baras, M. Kozicki, P. Papagiannis, J. M. Rosiak, L. Sakelliou, P. Sandilos, L. Vlahos

    Physics in Medicine and Biology , 2005

    DOI : 10.1088/0031-9155/50/6/013url
  • Dosimetry close to an 192Ir HDR source using N-vinylpyrrolidone based polymer gels and magnetic resonance imaging

    P. Papagiannis, E. Pappas, P. Kipouros, A. Angelopoulos, L. Sakelliou, P. Baras, P. Karaiskos, I. Seimenis, P. Sandilos, D. Baltas

    Medical Physics , 2001

    DOI : 10.1118/1.1382603url
  • An evaluation of the TSE MR sequence for time efficient data acquisition in polymer gel dosimetry of applications involving high doses and steep dose gradients

    P. Baras, I. Seimenis, P. Sandilos, L. Vlahos, T. Bieganski, E. Pantelis, P. Papagiannis, L. Sakelliou

    Medical Physics , 2005

    DOI : 10.1118/1.2065367url
  • Dose verification in clinical IMRT prostate incidents

    P. Sandilos, A. Angelopoulos, P. Baras, K. Dardoufas, P. Karaiskos, P. Kipouros, M. Kozicki, J. Rosiak, M. Janusz, L. Sakelliou, I. Seimenis, L. Vlahos

    International journal of radiation oncology, biology, physics , 2004

    DOI : 10.1016/j.ijrobp.2004.04.029url
  • Evaluation of a TG-43 compliant analytical dosimetry model in clinical 192 Ir HDR brachytherapy treatment planning and assessment of the significance of source position and catheter reconstruction uncertainties

    E. Pantelis, P. Papagiannis, G. Anagnostopoulos, D. Baltas, P. Karaiskos, P. Sandilos, L. Sakelliou

    Physics in Medicine and Biology , 2004

    DOI : 10.1088/0031-9155/49/1/004url
  • Monte Carlo dosimetry of the selectSeed 125I interstitial brachytherapy seed

    P. Karaiskos, P. Papagiannis, L. Sakelliou, G. Anagnostopoulos, D. Baltas

    Medical Physics , 2001

    DOI : 10.1118/1.1384460url
  • Dosimetry of 192Ir wires for LDR interstitial brachytherapy following the AAPM TG-43 dosimetric formalism

    P. Karaiskos, P. Papagiannis, A. Angelopoulos, L. Sakelliou, D. Baltas, P. Sandilos, L. Vlachos

    Medical Physics , 2001

    DOI : 10.1118/1.1339885url
  • On the use of VIP gel dosimetry in HDR brachytherapy

    L. Petrokokkinos, A. Moutsatsos, P. Karaiskos, V. Kouridou, E. Pantelis, P. Papagiannis, I. Seimenis

    Journal of Physics: Conference Series , 2009

    DOI : 10.1088/1742-6596/164/1/012051url
  • Beta versus gamma dosimetry close to Ir-192 brachytherapy sources

    D. Baltas, P. Karaiskos, P. Papagiannis, L. Sakelliou, E. Loeffler, N. Zamboglou

    Medical Physics , 2001

    DOI : 10.1118/1.1395038url
  • Gamma Knife relative dosimetry using VIP polymer gel and EBT radiochromic films

    A. Moutsatsos, L. Petrokokkinos, K. Zourari, P. Papagiannis, P. Karaiskos, K. Dardoufas, J. Damilakis, I. Seimenis, E. Georgiou

    Journal of Physics: Conference Series , 2009

    DOI : 10.1088/1742-6596/164/1/012053url
  • Polymer gel water equivalence and relative energy response with emphasis on low photon energy dosimetry in brachytherapy

    E. Pantelis, A. Karlis, M. Kozicki, P. Papagiannis, L. Sakelliou, J. M. Rosiak

    Physics in Medicine and Biology , 2004

    DOI : 10.1088/0031-9155/49/15/013url
  • Dose rate calculations around 192 Ir brachytherapy sources using a Sievert integration model

    P. Karaiskos, A. Angelopoulos, P. Baras, H. Rozaki-Mavrouli, P. Sandilos, L. Vlachos, L. Sakelliou

    Physics in Medicine and Biology , 2000

    DOI : 10.1088/0031-9155/45/2/309url
  • Gamma Knife output factor measurements using VIP polymer gel dosimetry

    A. Moutsatsos, L. Petrokokkinos, P. Karaiskos, P. Papagiannis, E. Georgiou, K. Dardoufas, P. Sandilos, M. Torrens, E. Pantelis, I. Kantemiris, L. Sakelliou, I. Seimenis

    Medical Physics , 2009

    DOI : 10.1118/1.3183500url
  • Registration of electronic portal images for patient set-up verification

    G. Matsopoulos, P. Asvestas, K. Delibasis, V. Kouloulias, N. Uzunoglu, P. Karaiskos, P. Sandilos

    Physics in Medicine and Biology , 2004

    DOI : 10.1088/0031-9155/49/14/018url
  • Monte Carlo dosimetry of a new 192Ir high dose rate brachytherapy source

    A. Angelopoulos, P. Baras, L. Sakelliou, P. Karaiskos, P. Sandilos

    Medical Physics , 2000

    DOI : 10.1118/1.1315316url
  • New 125 I brachytherapy source IsoSeed I25.S17plus: Monte Carlo dosimetry simulation and comparison to sources of similar design

    E. Pantelis, P. Papagiannis, G. Anagnostopoulos, D. Baltas

    Journal of Contemporary Brachytherapy , 2014

    DOI : 10.5114/jcb.2013.39631url
  • Assessment and characterization of the total geometric uncertainty in Gamma Knife radiosurgery using polymer gels

    A. Moutsatsos, P. Karaiskos, L. Petrokokkinos, L. Sakelliou, E. Pantelis, E. Georgiou, M. Torrens, I. Seimenis

    Medical Physics , 2013

    DOI : 10.1118/1.4789922url
  • Review of clinical brachytherapy uncertainties: Analysis guidelines of GEC-ESTRO and the AAPM

    C. Kirisits, M. J. Rivard, D. Baltas, F. Ballester, M. De Brabandere, R. van der Laarse, Y. Niatsetski, P. Papagiannis, T. P. Hellebust, J. Perez-Calatayud, K. Tanderup, J. L. M. Venselaar, F. A. Siebert

    Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology , 2013

    DOI : 10.1016/j.radonc.2013.11.002url
  • Dose-rate to water calibrations for brachytherapy sources from the end-user perspective

    F. A. Siebert, J. L. M. Venselaar, T. P. Hellebust, P. Papagiannis, A. Rijnders, M. J. Rivard

    Metrologia , 2012

    DOI : 10.1088/0026-1394/49/5/S249url
  • Dose and dose averaged LET comparison of 1H, 4He, 6Li, 8Be, 10B, 12C, 14N, and 16O ion beams forming a spread-out Bragg peak

    I. Kantemiris, P. Karaiskos, P. Papagiannis, A. Angelopoulos

    Medical Physics , 2011

    DOI : 10.1118/1.3662911url
  • On the output factor measurements of the CyberKnife iris collimator small fields: Experimental determination of the k(Q(clin),Q(msr) ) (f(clin),f(msr) ) correction factors for microchamber and diode detectors

    E. Pantelis, A. Moutsatsos, K. Zourari, L. Petrokokkinos, L. Sakelliou, W. Kilby, C. Antypas, P. Papagiannis, P. Karaiskos, E. Georgiou, I. Seimenis

    Medical Physics , 2012

    DOI : 10.1118/1.4736810url
  • Investigating the clinical aspects of using CT vs. CT-MRI images during organ delineation and treatment planning in prostate cancer radiotherapy

    A. Tzikas, P. Karaiskos, N. Papanikolaou, P. Sandilos, E. Koutsouveli, E. Lavdas, C. Scarleas, K. Dardoufas, B. K. Lind, P. Mavroidis

    Technology in Cancer Research and Treatment , 2011

    DOI : 15330346url
  • A Monte Carlo investigation of the dosimetric characteristics of the VariSource 192Ir high dose rate brachytherapy source

    P. Karaiskos, A. Angelopoulos, P. Baras, L. Sakelliou, P. Sandilos, K. Dardoufas, L. Vlachos

    Medical Physics , 1999

    DOI : 10.1118/1.598645url
  • Monte Carlo and TLD dosimetry of an 192Ir high dose-rate brachytherapy source

    P. Karaiskos, A. Angelopoulos, L. Sakelliou, P. Sandilos, C. Antypas, L. Vlachos, E. Koutsouveli

    Medical Physics , 1998

    DOI : 10.1118/1.598371url
  • Monte Carlo estimation of radiation doses during paediatric barium meal and cystourethrography examinations

    A. Dimitriadis, G. Gialousis, T. Makri, M. Karlatira, P. Karaiskos, E. Georgiou, S. Papaodysseas, E. Yakoumakis

    Physics in medicine and biology , 2011

    DOI : 10.1088/0031-9155/56/2/006url
  • Dose perturbation in the radiotherapy of breast cancer patients implanted with the Magna-Site: A Monte Carlo study

    C. Chatzigiannis, G. Lymperopoulou, P. Sandilos, C. Dardoufas, E. Yakoumakis, E. Georgiou, P. Karaiskos

    Journal of Applied Clinical Medical Physics , 2011

    DOI : 15269914url
  • Radiosurgery for movement disorders

    M. Barbarisi, E. Pantelis, C. Antypas, P. Romanelli

    Computer aided surgery : official journal of the International Society for Computer Aided Surgery , 2011

    DOI : 10.3109/10929088.2011.569127url
  • Integration of functional MRI and white matter tractography in stereotactic radiosurgery clinical practice

    E. Pantelis, N. Papadakis, K. Verigos, I. Stathochristopoulou, C. Antypas, L. Lekas, A. Tzouras, E. Georgiou, N. Salvaras

    International journal of radiation Oncology, Biology, Physics , 2010

    DOI : 10.1016/j.ijrobp.2009.10.064url
  • On the implementation of a recently proposed dosimetric formalism to a robotic radiosurgery system

    E. Pantelis, A. Moutsatos, K. Zourari, W. Kilby, C. Antypas, P. Papagiannis, P. Karaiskos, E. Georgiou, L. Sakelliou

    Medical Physics , 2010

    DOI : 10.1118/1.3404289url
  • On the use of polymer gels for assessing the total geometrical accuracy in clinical Gamma Knife radiosurgery applications

    A. Moutsatos, P. Karaiskos, L. Petrokokkinos, K. Zourari, E. Pantelis, L. Sakelliou, I. Seimenis, C. Constantinou, A. Peraticou, E. Georgiou

    Journal of Physics: Conference Series , 2010

    DOI : 10.1088/1742-6596/250/1/012060url
  • Real-time imaging for dose evaluation during antiproton irradiation

    I. Kantemiris, A. Angelopoulos, N. Bassler, N. Giokaris, M. H. Holzscheiter, P. Karaiskos, T. E. Kalogeropoulos

    Physics in medicine and biology , 2010

    DOI : 10.1088/0031-9155/55/5/N01url
  • 3D dose verification in 192Ir HDR prostate monotherapy using polymer gels and MRI

    P. Kipouros, P. Papagiannis, L. Sakelliou, P. Karaiskos, P. Sandilos, P. Baras, I. Seimenis, M. Kozicki, G. Anagnostopoulos, D. Baltas

    Medical Physics , 2003

    DOI : 10.1118/1.1590437url
  • Comparison of optimized single and multifield irradiation plans of antiproton, proton and carbon ion beams

    N. Bassler, I. Kantemiris, P. Karaiskos, J. Engelke, M. H. Holzscheiter, J. B. Petersen

    Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology , 2010

    DOI : 10.1016/j.radonc.2010.02.026url
  • A Monte Carlo dosimetry study of vaginal 192Ir brachytherapy applications with a shielded cylindrical applicator set

    P. Papagiannis, E. Pantelis

    Medical Physics , 2004

    DOI : 10.1118/1.1810233url
  • Atlas-based functional radiosurgery: Early results

    J. Stancanello, P. Romanelli, E. Pantelis, F. Sebastiano, N. Modugno

    Medical Physics , 2009

    DOI : 10.1118/1.3056460url
  • Monte Carlo dosimetry of a new 192Ir pulsed dose rate brachytherapy source

    P. Karaiskos, A. Angelopoulos, E. Pantelis, P. Papagiannis, L. Sakelliou, E. Kouwenhoven, D. Baltas

    Medical Physics , 2003

    DOI : 10.1118/1.1524168url
  • Endoscopic ultrasonography (EUS) in the preoperative staging of the colorectal cancer

    C. Kalantzis, C. Markoglou, P. Papagiannis, J. Bramis

    Archives of Hellenic Medicine , 2004

    url
  • An analytical dosimetry model as a step towards accounting for inhomogeneities and bounded geometries in 192 Ir brachytherapy treatment planning

    G. Anagnostopoulos, D. Baltas, P. Karaiskos, E. Pantelis, P. Papagiannis, L. Sakelliou

    Physics in Medicine and Biology , 2003

    DOI : 10.1088/0031-9155/48/11/310url
  • In vivo thermoluminescence dosimetry dose verification of transperineal 192Ir high-dose-rate brachytherapy using CT-based planning for the treatment of prostate cancer

    G. Anagnostopoulos, D. Baltas, A. Geretschlaeger, T. Martin, P. Papagiannis, N. Tselis, N. Zamboglou

    International Journal of Radiation Oncology*Biology*Physics , 2003

    DOI : 10.1016/S0360-3016(03)00762-4url
  • The effect of patient inhomogeneities in oesophageal 192 Ir HDR brachytherapy: a Monte Carlo and analytical dosimetry study

    G. Anagnostopoulos, D. Baltas, E. Pantelis, P. Papagiannis, L. Sakelliou

    Physics in Medicine and Biology , 2004

    DOI : 10.1088/0031-9155/49/12/014url
  • Dosimetry comparison of 192Ir Sources

    P. Papagiannis, A. Angelopoulos, E. Pantelis, L. Sakelliou, D. Baltas, P. Karaiskos, P. Sandilos, L. Vlachos

    Medical Physics , 2002

    DOI : 10.1118/1.1508378url
  • Monte Carlo dosimetry of 60Co HDR brachytherapy sources

    P. Papagiannis, A. Angelopoulos, E. Pantelis, L. Sakelliou, P. Karaiskos, Y. Shimizu

    Medical Physics , 2003

    DOI : 10.1118/1.1563662url
  • On the dosimetric accuracy of a Sievert integration model in the proximity of 192Ir HDR sources

    E. Pantelis, D. Baltas, K. Dardoufas, P. Karaiskos, P. Papagiannis, H. Rozaki-Mavrouli, L. Sakelliou

    International Journal of Radiation Oncology*Biology*Physics , 2002

    DOI : 10.1016/S0360-3016(02)02804-3url
  • Dosimetric calculations and VIPAR polymer gel dosimetry close to the microSelectron HDR

    P. Kipouros, G. Anagnostopoulos, A. Angelopoulos, D. Baltas, P. Baras, A. Drolapas, P. Karaiskos, E. Pantelis, P. Papagiannis, L. Sakelliou, I. Seimenis

    Zeitschrift fur Medizinische Physik , 2002

    url
  • Endoscopic ultrasonography in the preoperative staging of colorectal cancer

    Ch. Kalantzis, C. Markoglou, P. Gabriel, P. Papagiannis, S. Tazaris, I. Bramis, H. Bastounis, N. Kalantzis

    Hepato-Gastroenterology , 2002

    url
  • Polymer gel dosimetry using a three-dimensional MRI acquisition technique

    P. Baras, I. Seimenis, P. Kipouros, P. Papagiannis, A. Angelopoulos, L. Sakelliou, E. Pappas, D. Baltas, P. Karaiskos, P. Sandilos, L. Vlachos

    Medical Physics , 2002

    DOI : 10.1118/1.1514657url
  • Conformal radiotherapy of prostate cancer: what is the proper technique for sparing organs-at-risk?

    V. Peppa, M. Mazonakis, S. Kachris, C. Varveris, J. Damilakis

    Oncology Reports , 2010

    DOI : 10.3892/or_00000809url
  • Wide dynamic dose range of VIPAR polymer gel dosimetry

    P. Kipouros, E. Pappas, P. Baras, D. Hatzipanayoti, P. Karaiskos, L. Sakelliou, P. Sandilos, I. Seimenis

    Physics in Medicine and Biology , 2001

    DOI : 10.1088/0031-9155/46/8/308url
  • Limitations of the point and line source approximations for the determination of geometry factors around brachytherapy sources

    P. Karaiskos, L. Sakelliou, P. Sandilos, L. Vlachos

    Medical Physics , 2000

    DOI : 10.1118/1.598873url
  • Dosimetric accuracy of a deterministic radiation transport based 192Ir brachytherapy treatment planning system. Part III. Comparison to Monte Carlo simulation in voxelized anatomical computational models

    K. Zourari, E. Pantelis, A. Moutsatsos, L. Sakelliou, E. Georgiou, P. Karaiskos, P. Papagiannis

    Medical Physics , 2013

    DOI : 10.1118/1.4770275url
  • Dosimetric accuracy of a deterministic radiation transport based 192Ir brachytherapy treatment planning system. Part II: Monte Carlo and experimental verification of a multiple source dwell position plan employing a shielded applicator

    L. Petrokokkinos, K. Zourari, E. Pantelis, A. Moutsatsos, P. Karaiskos, L. Sakelliou, I. Seimenis, E. Georgiou, P. Papagiannis

    Medical Physics , 2011

    DOI : 10.1118/1.3567507url
  • Accuracy of multislice CT angiography for the assessment of in-stent restenoses in the iliac arteries at reduced dose: a phantom study

    K. Perisinakis, E. Manousaki, K. Zourari, D. Tsetis, A. Tzedakis, A. Papadakis, A. Karantanas, J. Damilakis

    The British Journal of Radiology , 2011

    DOI : 10.1259/bjr/63029326url
  • Dosimetric accuracy of a deterministic radiation transport based 192Ir brachytherapy treatment planning system. Part I: Single sources and bounded homogeneous geometries

    K. Zourari, E. Pantelis, A. Moutsatsos, L. Petrokokkinos, P. Karaiskos, L. Sakelliou, E. Georgiou, P. Papagiannis

    Medical Physics , 2010

    DOI : 10.1118/1.3290630url
  • The use of high field strength and parallel imaging techniques for MRI-based gel dosimetry in stereotactic radiosurgery

    I. Seimenis, A. Moutsatsos, L. Petrokokkinos, I. Kantemiris, O. Benekos, E. Efstathopoulos, P. Papagiannis, V. Spevacek, J. Semnicka, P. Dvorak

    Journal of Instrumentation , 2009

    DOI : 10.1088/1748-0221/4/07/P07004url
  • Characterization of a new polymer gel for radiosurgery dosimetry using Magnetic Resonance Imaging

    L. Petrokokkinos, M. Kozicki, E. Pantelis, C. Antypas, J. Fijuth, P. Karaiskos, L. Sakelliou, I. Seimenis

    Journal of Instrumentation , 2009

    DOI : 10.1088/1748-0221/4/06/P06018url
  • Image guidance quality assurance of a G4 CyberKnife robotic stereotactic radiosurgery system

    E. Pantelis, L. Petrokokkinos, C. Antypas

    Journal of Instrumentation , 2009

    DOI : 10.1088/1748-0221/4/05/P05009url
  • Conceptus dose from involved-field radiotherapy for Hodgkin's lymphoma on a linear accelerator equipped with MLCs

    M. Mazonakis, E. Lyraraki, C. Varveris, E. Samara, K. Zourari, J. Damilakis

    Strahlentherapie und Onkologie , 2009

    DOI : 10.1007/s00066-009-1932-9url
  • On the accuracy of a mutual information algorithm for PET-MR image registration

    P. Karaiskos, J. Malamitsi, J. Andreou, V. Prassopoulos, V. Valotassiou, F. Laspas, P. Sandilos, M. Torrens

    Journal of Instrumentation , 2009

    DOI : 10.1088/1748-0221/4/07/P07008url
  • Carbon beam dosimetry using VIP polymer gel and MRI

    I. Kantemiris, L. Petrokokkinos, A. Angelopoulos, N. Bassler, I. Seimenis, P. Karaiskos

    Journal of Physics: Conference Series , 2009

    DOI : 10.1088/1742-6596/164/1/012055url
  • On the feasibility of real time imaging in radiotherapy using antiproton beams

    I. Kantemiris, P. Karaiskos, E. Georgiou, A. Angelopoulos, N. Giokaris, S. Dubnicka, M. Fulop, T. E. Kalogeropoulos

    Journal of Instrumentation , 2009

    DOI : 10.1088/1748-0221/4/06/P06002url
  • Level of patient and operator dose in the largest cardiac centre in Greece

    V. Tsapaki, S. Patsilinakos, V. Voudris, A. Magginas, S. Pavlidis, T. Maounis, G. Theodorakis, M. Koutelou, T. Vrantza, M. Nearchou, N. Nikolaki, N. Kollaros, E. Kyrozi, S. Kottou, P. Karaiskos, E. Neofotistou, D. Cokkinos

    Radiation Protection Dosimetry , 2008

    DOI : 10.1093/rpd/ncn006url
  • Correlation of image quality with exposure index and processing protocol in a computed radiography system

    I. A. Tsalafoutas, G. A. Blastaris, A. S. Moutsatsos, P. S. Chios, E. P. Efstathopoulos

    Radiation Protection Dosimetry , 2008

    DOI : 10.1093/rpd/ncm493url
  • Radiation transmission data for radionuclides and materials relevant to brachytherapy facility shielding

    P. Papagiannis, D. Baltas, D. Granero, J. Perez-Calatayud, J. Gimeno, F. Ballester, J. L. M. Venselaar

    Medical Physics , 2008

    DOI : 10.1118/1.2986153url
  • Dosimetric characterization of CyberKnife radiosurgical photon beams using polymer gels

    E. Pantelis, C. Antypas, L. Petrokokkinos, P. Karaiskos, P. Papagiannis, M. Kozicki, E. Georgiou, L. Sakelliou, I. Seimenis

    Medical Physics , 2008

    DOI : 10.1118/1.2919099url
  • Performance evaluation of a CyberKnife G4 image-guided robotic stereotactic radiosurgery system

    C. Antypas, E. Pantelis

    Physics in Medicine and Biology , 2008

    DOI : 10.1088/0031-9155/53/17/016url
  • Dosimetric evaluation of a new collimator insert system for stereotactic radiotherapy

    T. Paschalis, P. Sandilos, E. Tatsis, P. Karaiskos, C. Antypas, C. Chatzigiannis, K. Dardoufas, E. Georgiou, L. Vlachos

    The British Journal of Radiology , 2007

    DOI : 10.1259/bjr/94582813url
  • On the use of high dose rate 192Ir and 169Yb sources with the MammoSite® radiation therapy system

    P. Papagiannis, P. Karaiskos, E. Georgiou, D. Baltas, G. Lymperopoulou, E. Pantelis, L. Sakelliou

    Medical Physics , 2007

    DOI : 10.1118/1.2760306url
  • Monte Carlo simulations to optimize experimental dosimetry of narrow beams used in Gamma Knife radio-surgery

    G. Lymperopoulou, L. Petrokokkinos, P. Papagiannis, M. Steiner, V. Spevacek, J. Semnicka, P. Dvorak, I. Seimenis

    Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , 2007

    DOI : 10.1016/j.nima.2007.05.227url
  • Mechanical and dose delivery accuracy evaluation in radiosurgery using polymer gels

    P. Sandilos, E. Tatsis, L. Vlachos, C. Dardoufas, P. Karaiskos, E. Georgiou, P. Baras, P. Kipouros, M. Torrens, A. Angelopoulos

    Journal of Applied Clinical Medical Physics , 2006

    DOI : 10.1120/jacmp.v7i4.2273url
  • Fast, three-dimensional, MR Imaging for polymer gel dosimetric applications involving high dose and steep dose gradients

    P. Sandilos, P. Baras, E. Georgiou, K. Dardoufas, P. Karaiskos, P. Papagiannis, T. Paschalis, E. Tatsis, M. Torrens, L. Vlahos

    Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , 2006

    DOI : 10.1016/j.nima.2006.08.148url
  • On the dose rate constant of the selectSeed 125I interstitial brachytherapy seed

    P. Papagiannis, L. Sakelliou, G. Anagnostopoulos, D. Baltas

    Medical Physics , 2006

    DOI : 10.1118/1.2192909url