G Gialousis

Summary

Affiliation: University of Athens
Country: Greece

Publications

  1. ncbi Comparison of dose from radiological examination for scoliosis in children among two pediatric hospitals by Monte Carlo simulation
    G Gialousis
    Medical Physics Department, Medical School, University of Athens, 75 Mikras Asias Str, Goudi 11527, Athens, Greece
    Health Phys 94:471-8. 2008
  2. ncbi Monte Carlo estimation of radiation doses in red bone marrow and breast in common pediatric x-ray examinations
    George I Gialousis
    Medical Physics Department, Medical School, University of Athens, 75 Mikras Asias Str Goudi 11527, Athens, Greece
    Health Phys 95:331-6. 2008
  3. ncbi Monte Carlo estimation of dose difference in lung from 192Ir brachytherapy due to tissue inhomogeneity
    G Gialousis
    Medical Physics Department, IASSO Hospital, 37 39 Kifissias Str, Maroussi 15123, Athens, Greece
    Radiat Prot Dosimetry 147:287-90. 2011
  4. ncbi Monte Carlo estimation of radiation doses during paediatric barium meal and cystourethrography examinations
    A Dimitriadis
    Medical Physics Department, Medical School, University of Athens, 75 Mikras Asias Str, Goudi 11527, Athens, Greece
    Phys Med Biol 56:367-82. 2011
  5. ncbi Radiation risk assessment in neonatal radiographic examinations of the chest and abdomen: a clinical and Monte Carlo dosimetry study
    T Makri
    Medical Physics Department, Medical School, University of Athens, 75, Mikras Asias Str, Goudi, 115 27 Athens, Greece
    Phys Med Biol 51:5023-33. 2006
  6. ncbi Effective dose variation in pediatric computed tomography: dose reference levels in Greece
    E Yakoumakis
    Medical Physics Department, Medical School, University of Athens, Mikras Asias, Goudi 11527 Athens, Greece
    Health Phys 97:595-603. 2009
  7. ncbi Dosimetry using Gafchromic XR-RV2 radiochromic films in interventional radiology
    A Neocleous
    Medical Physics Department, Medical School, University of Athens, 75 Mikras Asias Str, Goudi, 115 27 Athens, Greece
    Radiat Prot Dosimetry 147:78-82. 2011
  8. ncbi Differences in effective dose and energy imparted estimation from PA-AP, RLAT-LLAT projections in pediatric full spine x-ray examination using the Monte Carlo technique
    George I Gialousis
    Medical Physics Department, Medical School, University of Athens, 75, Mikras Asias Str, Goudi 115 27, Athens, Greece
    Phys Med Biol 51:287-97. 2006
  9. ncbi Entrance radiation doses during paediatric cardiac catheterisations performed for diagnosis or the treatment of congenital heart disease
    D Papadopoulou
    Department of Medical Physics, Medical School, University of Athens, 75 Mikras Asias, 11527 Athens, Greece
    Radiat Prot Dosimetry 117:236-40. 2005

Collaborators

Detail Information

Publications9

  1. ncbi Comparison of dose from radiological examination for scoliosis in children among two pediatric hospitals by Monte Carlo simulation
    G Gialousis
    Medical Physics Department, Medical School, University of Athens, 75 Mikras Asias Str, Goudi 11527, Athens, Greece
    Health Phys 94:471-8. 2008
    ..Moreover, dose to red bone marrow was found to be between 0.01 to 0.23 mSv and dose to breast ranged between 0.02 and 1.05 mSv depending on the age, projection, and hospital. These values are comparable with literature sources...
  2. ncbi Monte Carlo estimation of radiation doses in red bone marrow and breast in common pediatric x-ray examinations
    George I Gialousis
    Medical Physics Department, Medical School, University of Athens, 75 Mikras Asias Str Goudi 11527, Athens, Greece
    Health Phys 95:331-6. 2008
    ..Values ranged from 2 microSv to 204 microSv for red bone marrow and from 0 to 817 muSv for breast. Variation in doses occurred due to field size, high voltage setting, and Ka,e...
  3. ncbi Monte Carlo estimation of dose difference in lung from 192Ir brachytherapy due to tissue inhomogeneity
    G Gialousis
    Medical Physics Department, IASSO Hospital, 37 39 Kifissias Str, Maroussi 15123, Athens, Greece
    Radiat Prot Dosimetry 147:287-90. 2011
    ..Additionally, the relative increase was small for the lung (2.1 %) and larger for organs at risk such as the heart (6.8 %) and bone marrow (7.6 %)...
  4. ncbi Monte Carlo estimation of radiation doses during paediatric barium meal and cystourethrography examinations
    A Dimitriadis
    Medical Physics Department, Medical School, University of Athens, 75 Mikras Asias Str, Goudi 11527, Athens, Greece
    Phys Med Biol 56:367-82. 2011
    ..82, 10.1, 11.1 mSv) and the pancreas (5.8, 5.93, 6.65 mSv), depending upon the age of the child. DAPs to organ/effective doses conversion factors were derived for each age and examination in order to be compared with other studies...
  5. ncbi Radiation risk assessment in neonatal radiographic examinations of the chest and abdomen: a clinical and Monte Carlo dosimetry study
    T Makri
    Medical Physics Department, Medical School, University of Athens, 75, Mikras Asias Str, Goudi, 115 27 Athens, Greece
    Phys Med Biol 51:5023-33. 2006
    ..7 and 2.9 per million neonates, per film, and being slightly higher for females. Results of this study are in good agreement with previous studies, especially in view of the diversity met in the calculation methods...
  6. ncbi Effective dose variation in pediatric computed tomography: dose reference levels in Greece
    E Yakoumakis
    Medical Physics Department, Medical School, University of Athens, Mikras Asias, Goudi 11527 Athens, Greece
    Health Phys 97:595-603. 2009
    ..As a result, many patients receive high doses without this being necessary. Thus, reducing dose methods should be adapted in order to improve the optimization of this high dose modality...
  7. ncbi Dosimetry using Gafchromic XR-RV2 radiochromic films in interventional radiology
    A Neocleous
    Medical Physics Department, Medical School, University of Athens, 75 Mikras Asias Str, Goudi, 115 27 Athens, Greece
    Radiat Prot Dosimetry 147:78-82. 2011
    ..The film provides dose mapping, the position of the skin area with highest dose and can be used for immediate qualitative and as well as for quantitative assessment of patient skin dose...
  8. ncbi Differences in effective dose and energy imparted estimation from PA-AP, RLAT-LLAT projections in pediatric full spine x-ray examination using the Monte Carlo technique
    George I Gialousis
    Medical Physics Department, Medical School, University of Athens, 75, Mikras Asias Str, Goudi 115 27, Athens, Greece
    Phys Med Biol 51:287-97. 2006
    ..On the other hand, E and epsilon do not differ statistically among RLAT and LLAT projections. Moreover, the role of lung and bone as tissue inhomogeneities in epsilon is shown to be very important...
  9. ncbi Entrance radiation doses during paediatric cardiac catheterisations performed for diagnosis or the treatment of congenital heart disease
    D Papadopoulou
    Department of Medical Physics, Medical School, University of Athens, 75 Mikras Asias, 11527 Athens, Greece
    Radiat Prot Dosimetry 117:236-40. 2005
    ..Radiation doses measured in this study are comparable with those reported to previous studies. Moreover, strong correlation was found between the DAP values and the entrance radiation dose measured with TLDs...