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Table 2 Summary of set-up errors

From: A topology-based method to mitigate the dosimetric uncertainty caused by the positional variation of the boost volume in breast conservative radiotherapy

Error

AP (mm)

CC (mm)

LR (mm)

CR (degree)

Aligning to skin markers

 Bony structure

SE (∑)

1.6

2.5

2.0

0.7

RE (σ)

1.3

2.6

1.6

0.8

 Surgical clip

SE (∑)

2.1

2.6

3.2

1.6

RE (σ)

1.6

2.4

2.1

1.2

Aligning to bony structures

 Surgical clip

SE (∑)

2.0

3.3

2.7

1.2

RE (σ)

1.6

2.2

1.9

1.0

  1. Abbreviations: AP anterior-posterior, CC cranial-caudal, LR left-right, CR couch rotation; SE systematic error, RE random error
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Radiation Oncology

ISSN: 1748-717X

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