Off-line verification of the day-to-day three-dimensional table position variation for radiation treatments of the head and neck region using an immobilization mask.
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Abstract
Variation in the table height position for 175 treatments of 167 patients was calculated as a measure for day-to-day set-up precision in 2063 treatment sessions and resulted in a median standard deviation of 1 mm. The median standard deviations of table longitudinal and lateral position were 3 and 5 mm, respectively.
Medical subject headings
- Head and Neck Neoplasms
- Posture
- Quality Assurance, Health Care
- Radiotherapy Dosage
- Radiotherapy, Computer-Assisted
- Technology, Radiologic