Rotation Effects on the Target-Volume Margin Determination
classification
⚛️ physics.med-ph
keywords
errorsmarginsetupclinicaldeterminationformularotationaltarget
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Rotational setup errors are usually neglected in most clinical centers. An analytical formula is developed to determine the extra margin between clinical target volume (CTV) and planning target volume (PTV) to account for setup errors. The proposed formula corrects for both translational and rotational setup errors and then incorporated into margin determination for PTV.
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