Nasreen S, Begum N, Shah S.
Indigenously developed water phantom for dose calibration of Teletherapy units.
Pak J Radiol Jan ;14(2):16-9.

Medical physicists primary responsibility in a radiotherapy department is to ensure accurate delivery of prescribed dose to caner patients using all expertise and available resources. In developing countries like ours financial constraints and non availability of recommended radiation dosimetry equipment, treatment accessories and lack of spares are the major problems in carrying out efficient quality assurance program in radiotherapy that can meet international norms. Medical physics Department at IRNUM designed, developed and successfully used a 30cms x 30cms x 30cms water phantom for routine calibration of Co-60 teletherapy units and linear accelerator. The dosimetry results are within acceptable limits as verified by the WHO/IAEA postal dose inter-comparison program and SSDL dose verification audits. It is concluded that we can develop cost effective quality assurance gadgets and machine accessories using indigenous resources.

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