Abstract

Abstract We studied the influence of a custom abdominal corset on cine MRI based pancreatic tumor motion. All patients were imaged twice; once without the corset, and once with the corset in place. Craniocaudal motion decreased on average by 4.1mm, from 11.3 to 7.2mm. No effects of the corset were observed in anteroposterior and lateral directions. The efficacy of the abdominal corset in combination with its simplicity, the low manufacturing costs and the good tolerance makes this an easy way to decrease motion. This might open the way to safer dose escalation when treating patients under free breathing conditions.

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