Pilot Quality Control Program for Audit RT External Beams at Mexican Hospitals

A pilot quality control program for audit 18 radiotherapy RT external beams at 13 Mexican hospitals is described—for eleven 60 Co beams and seven photon beams of 6, 10 and 15 MV from accelerators. This program contains five parts: a) Preparation of the TLD‐100 powder: washing, drying and annealing (...

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Bibliographic Details
Main Authors: Alvarez, R J T, Tovar, M V M
Format: Conference Proceeding
Language:English
Subjects:
CALIBRATION
COBALT 60
HOSPITALS
IRRADIATION
LINEAR ACCELERATORS
MEXICO
PHOTON BEAMS
QUALITY CONTROL
RADIATION DOSES
RADIOLOGY AND NUCLEAR MEDICINE
RADIOTHERAPY
SSDL
THERMOLUMINESCENT DOSIMETRY
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Summary:A pilot quality control program for audit 18 radiotherapy RT external beams at 13 Mexican hospitals is described—for eleven 60 Co beams and seven photon beams of 6, 10 and 15 MV from accelerators. This program contains five parts: a) Preparation of the TLD‐100 powder: washing, drying and annealing (one hour 400 °C plus 24 hrs 80 °C). b) Sending two IAEA type capsules to the hospitals for irradiation at the hospital to a nominal D W  = 2  Gy ⋅ c ) Preparation at the SSDL of ten calibration curves CC in the range of 0.5 Gy to 6 Gy in terms of absorbed dose to water D W for 60 Co with traceability to primary laboratory NRC (Canada), according to a window irradiation: 26/10/2007–7/12/2007. d) Reading all capsules that match their hospital time irradiation and the SSDL window irradiation. f) Evaluation of the Dw imparted by the hospitals.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2979268