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Surgical Clips
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Act as a surrogate for the tumour bed
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Improve accuracy in delineation and used for positional
verification
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Clip insertion after breast conservation surgery
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Caution artefact on planning CT
➢
Impact on electron beam dosimetry?
•
Either use directly in match or export isodose lines from
planning to ensure they fall within required dose
➢
Donovan
et al
., 2012
➢
Similar to Post Prostatectomy clips