Vision RT Limited’s new system for radiotherapy patient alignment should allow rapid positioning with error margins reduced from centimetres to within millimetres, according to data to be presented at the October ASTRO meeting. Dr. Norman Smith, CEO of Vision RT, will give a paper on Vision RT’s 3D body imaging technology and describe how it can impact positively on the speed and accuracy of radiotherapy treatment, at the 45th Annual Meeting of the American Society for Therapeutic Radiology and Oncology (ASTRO) in Salt Lake City, USA, on 21 October 2003.
The information to be presented at the meeting will include data collected at research and clinical test sites to demonstrate how Vision RT’s new system for aligning the patient on the treatment couch can reduce set-up time and assist in the delivery of the high energy beam accurate to within mms rather than cms of the target area. The system could help overcome the two key limiting factors in radiotherapy efficiency, namely set-up time and inaccuracies which lead to damage to healthy tissue arising from the lack of effective patient-positioning technologies.
Fifty per cent of cancer patients require radiotherapy and radiotherapy rooms cost over £2.5m ($4 m) to equip so facilities tend to be limited. At present the significant proportion (up to two thirds) of an appointment is taken up with aligning the patient to the accelerator beam. Making more efficient use of equipment will allow for shorter appointments and increase patient throughput, which could bring down radiotherapy waiting lists. Minimising set-up errors should also allow for higher radiation doses to be administered if damage to healthy tissue can be minimised.
Ellen Marriage | alfa
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