In vivo dose verification from back projection of a transit dose measurement on the central axis of photon beams

Essers, 1999, In vivo dosimetry during external photon beam radiotherapy, Int J Radiat Oncol Biol Phys, 43, 245, 10.1016/S0360-3016(98)00341-1 Huyskens, 2001 Van Dam, 2006 Noel, 1995, Detection of errors in individual patients in radiotherapy by systematic in vivo dosimetry, Radiother Oncol, 34, 144, 10.1016/0167-8140(94)01503-U Leunens G, Verstraete J, Van Dam J, et al. Experience in in-vivo dosimetry investigations in Leuven. In: “Radiation dose in radiotherapy from prescription to delivery”. IAEA Report TECDOC-734; 1994. p. 283–9. Broggi, 2002, In vivo estimation of midline dose maps by transit dosimetry in head and neck radiotherapy, Br J Radiol, 75, 974, 10.1259/bjr.75.900.750974 Bogaerts, 2000, A method to estimate the transit dose on the beam axis for verification of dose delivery with portal images, Radiother Oncol, 54, 39, 10.1016/S0167-8140(99)00165-6 McCurdy, 2001, Dosimetric investigation and portal dose image prediction using an amorphous silicon Electronic Portal Imaging Device, Med Phys, 28, 911, 10.1118/1.1374244 Grein, 2002, An investigation of a new amorphous silicon electronic portal imaging device for transit dosimetry, Med Phys, 29, 2262, 10.1118/1.1508108 McDermott, 2004, Dose-response and ghosting effects of an amorphous silicon electronic portal imaging device, Med Phys, 31, 285, 10.1118/1.1637969 Van Esch, 2004, The use of an aSi-based EPID for routine absolute dosimetric pre-treatment verification of dynamic IMRT fields, Radiother Oncol, 71, 223, 10.1016/j.radonc.2004.02.018 Nicolini, 2008, Testing the portal imager GLAaS algorithm for machine quality assurance, Radiat Oncol, 3, 14, 10.1186/1748-717X-3-14 Essers, 1996, Transmission dosimetry with a liquid-filled electronic portal imaging device, Int J Radiat Oncol Biol Phys, 34, 931, 10.1016/0360-3016(95)02191-4 Pasma, 1998, Accurate portal dose measurement with a fluoroscopic electronic portal imaging device (EPID) for open and wedged beams and dynamic multileaf collimation, Phys Med Biol, 43, 2047, 10.1088/0031-9155/43/8/004 Dahlgren, 2002, Portal dose image verification: formalism and application of the collapsed cone superposition method, Phys Med Biol, 47, 4371, 10.1088/0031-9155/47/24/305 Dahlgren, 2006, Portal dose image verification: the collapsed cone superposition method applied with different electronic portal imaging devices, Phys Med Biol, 51, 335, 10.1088/0031-9155/51/2/010 McCurdy, 2000, A two-step algorithm for predicting portal dose images in arbitrary detectors, Med Phys, 27, 2109, 10.1118/1.1289375 Pasma, 1998, Portal dose image (PDI) prediction for dosimetric treatment verification in radiotherapy. I. An algorithm for open beams, Med Phys, 25, 830, 10.1118/1.598293 Pasma, 2002, Portal dose image prediction for dosimetric treatment verification in radiotherapy. II. An algorithm for wedged beams, Med Phys, 29, 925, 10.1118/1.1463064 van Elmpt, 2005, Experimental verification of a portal dose prediction model, Med Phys, 32, 2805, 10.1118/1.1987988 Partridge, 2002, IMRT verification by three-dimensional dose reconstruction from portal beam measurements, Med Phys, 29, 1847, 10.1118/1.1494988 Louwe, 2003, Three-dimensional dose reconstruction of breast cancer treatment using portal imaging, Med Phys, 30, 2376, 10.1118/1.1589496 Pasma, 1999, Transit dosimetry with an electronic portal imaging device (EPID) for 115 prostate cancer patients, Int J Radiat Oncol Biol Phys, 45, 1297, 10.1016/S0360-3016(99)00328-4 Boellaard, 1998, New method to obtain the midplane dose using portal in vivo dosimetry, Int J Radiat Oncol Biol Phys, 41, 465, 10.1016/S0360-3016(98)00048-0 Nijsten, 2007, Routine individualised patient dosimetry using electronic portal imaging devices, Radiother Oncol, 83, 65, 10.1016/j.radonc.2007.03.003 Piermattei, 2006, In vivo dosimetry by an aSi-based EPID, Med Phys, 33, 4414, 10.1118/1.2360014 Piermattei, 2007, Application of a practical method for the isocenter point in vivo dosimetry by a transit signal, Phys Med Biol, 52, 5101, 10.1088/0031-9155/52/16/026 Kapatoes, 2001, A feasible method for clinical delivery verification and dose reconstruction in tomotherapy, Med Phys, 28, 528, 10.1118/1.1352579 Wendling, 2006, Accurate two-dimensional IMRT verification using a back-projection EPID dosimetry method, Med Phys, 33, 259, 10.1118/1.2147744 Berger L. Use of an amorphous Silicon Electronic Portal Imaging Device for dose verification in radiation therapy. PhD Thesis. Toulouse France: P Sabatier University; 2006. 218p. Institut National du Cancer (INCa) Dutreix, 1997 Mijnheer, 2001 Berger, 2005, Water equivalent depth with respect to field size dependence for absolute dose measurements with the amorphous silicon Electronic Portal Imaging Device aS500, Radiother Oncol, 76, S78, 10.1016/S0167-8140(05)81128-4 Piermattei, 2009, Integration between in vivo dosimetry and image guided radiotherapy for lung tumors, Med Phys, 36, 2206, 10.1118/1.3129158 McDermott, 2008, 3D in vivo dose verification of entire hypo-fractionated IMRT treatments using an EPID and cone-beam CT, Radiother Oncol, 86, 35, 10.1016/j.radonc.2007.11.010 Swindell, 1996, Scattered radiation in portal images: a Monte Carlo simulation and a simple physical model, Med Phys, 23, 63, 10.1118/1.597792 Vial, 2008, Initial evaluation of a commercial EPID modified to a novel direct-detection configuration for radiotherapy dosimetry, Med Phys, 35, 4362, 10.1118/1.2975156 Kavuma, 2008, Assessment of dosimetrical performance in 11 Varian a-Si-500 electronic portal imaging devices, Phys Med Biol, 53, 6893, 10.1088/0031-9155/53/23/016