Comparison of PENELOPE Monte Carlo dose calculations with Fricke dosimeter and ionization chamber measurements in heterogeneous phantoms (18 MeV electron and 12 MV photon beams). Export

@article{Blazy2006, abstract = {Different measurements of depth-dose curves and dose profiles were performed in heterogeneous phantoms and compared to dose distributions calculated by a Monte Carlo code. These heterogeneous phantoms consisted of lung and/or bone heterogeneities. Irradiations and simulations were carried out for an 18 MeV electron beam and a 12 MV photon beam. Depth-dose curves were measured with Fricke dosimeters and with plane and cylindrical ionization chambers. Dose profiles were measured with a small cylindrical ionization chamber at different depths. The LINAC was modelled using the PENELOPE code and phase space files were used as input data for the calculations of the dose distributions in every simulation. The detectors (Fricke dosimeters and ionization chambers) were not modelled in the geometry. There is generally a good agreement between the measurements and PENELOPE. Some discrepancies exist, near interfaces, between the ionization chamber and PENELOPE due to the attenuation of the lower energy electrons by the wall of the ionization chamber.}, author = {Blazy, L. and Baltes, D. and Bordy, J. M. and Cutarella, D. and Delaunay, F. and Gouriou, J. and Leroy, E. and Ostrowsky, A. and Beaumont, S.}, citeulike-article-id = {2990600}, citeulike-linkout-0 = {http://dx.doi.org/10.1088/0031-9155/51/22/016}, doi = {10.1088/0031-9155/51/22/016}, journal = {Phys Med Biol}, keywords = {and, biological, body, burden, carlo, computer-assisted, conformal, dosage, effectiveness, electrons, humans, imaging, method, monte, of, phantoms, photons, planning, radiometry, radiotherapy, relative, reproducibility, results, sensitivity, software, specificity, validation}, month = {Nov}, number = {22}, pages = {5951--5965}, posted-at = {2008-07-11 21:11:27}, priority = {2}, title = {{C}omparison of {PENELOPE} {M}onte {C}arlo dose calculations with {F}ricke dosimeter and ionization chamber measurements in heterogeneous phantoms (18 {M}e{V} electron and 12 {MV} photon beams).}, url = {http://dx.doi.org/10.1088/0031-9155/51/22/016}, volume = {51}, year = {2006} }

TY - JOUR ID - Blazy2006 L3 - citeulike-article-id:2990600 N2 - Different measurements of depth-dose curves and dose profiles were performed in heterogeneous phantoms and compared to dose distributions calculated by a Monte Carlo code. These heterogeneous phantoms consisted of lung and/or bone heterogeneities. Irradiations and simulations were carried out for an 18 MeV electron beam and a 12 MV photon beam. Depth-dose curves were measured with Fricke dosimeters and with plane and cylindrical ionization chambers. Dose profiles were measured with a small cylindrical ionization chamber at different depths. The LINAC was modelled using the PENELOPE code and phase space files were used as input data for the calculations of the dose distributions in every simulation. The detectors (Fricke dosimeters and ionization chambers) were not modelled in the geometry. There is generally a good agreement between the measurements and PENELOPE. Some discrepancies exist, near interfaces, between the ionization chamber and PENELOPE due to the attenuation of the lower energy electrons by the wall of the ionization chamber. IS - 22 JF - Phys Med Biol EP - 5965 TI - {C}omparison of {PENELOPE} {M}onte {C}arlo dose calculations with {F}ricke dosimeter and ionization chamber measurements in heterogeneous phantoms (18 {M}e{V} electron and 12 {MV} photon beams). VL - 51 SP - 5951 KW - and KW - biological KW - body KW - burden KW - carlo KW - computer-assisted KW - conformal KW - dosage KW - effectiveness KW - electrons KW - humans KW - imaging KW - method KW - monte KW - of KW - phantoms KW - photons KW - planning KW - radiometry KW - radiotherapy KW - relative KW - reproducibility KW - results KW - sensitivity KW - software KW - specificity KW - validation AU - Blazy, L AU - Baltes, D AU - Bordy, JM AU - Cutarella, D AU - Delaunay, F AU - Gouriou, J AU - Leroy, E AU - Ostrowsky, A AU - Beaumont, S PY - 2006/Nov// UR - http://dx.doi.org/10.1088/0031-9155/51/22/016 ER -