Abstract:Purpose:
Total body irradiation (TBI) is a technique that requires special equipment to control “in vivo” the dose to the patient because it is a complex technique performed in extraordinary conditions. There are several devices to perform this task (diodes, TLDs, ionization chambers, MOSFET). In this paper we study the possibility of performing these measurements with radiochromic films EBT3 properly calibrated. This method has been compared to the PTW diodes system for TBI.
Methods:
Once made the TC to the p… Show more
“…Also Gafchromic films in the form of small detectors with dimensions of 1 × 1 cm 2 or 2 × 2 cm 2 are used for in vivo dosimetry. 10 They are quite often used in Total Body Irradiation [11][12][13] as well as to measure the dose inside the oral cavity in IMRT treatments. 14 Medical Physics Department provides postal TLD audits for Polish radiotherapy centers.…”
The MM with a scaling protocol leads to a very high precision of dose measurements. The ambient thermal detector environment causes significant changes of measured signal. The detector size has relevant impact on dose reading.
“…Also Gafchromic films in the form of small detectors with dimensions of 1 × 1 cm 2 or 2 × 2 cm 2 are used for in vivo dosimetry. 10 They are quite often used in Total Body Irradiation [11][12][13] as well as to measure the dose inside the oral cavity in IMRT treatments. 14 Medical Physics Department provides postal TLD audits for Polish radiotherapy centers.…”
The MM with a scaling protocol leads to a very high precision of dose measurements. The ambient thermal detector environment causes significant changes of measured signal. The detector size has relevant impact on dose reading.
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