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Table 1 Artefact diameters and tip location error of 36 artefact measurements

From: Artefact and ablation performance of an MR-conditional high-power microwave system in bovine livers: an ex vivo study

 

Sequence

Angulation

Orientation

Encoding direction

Total

 

T1W-VIBE

T1W-FLASH

T2W-TSE

45°

90°

Axial

Coronal

Sagittal

Phase

Frequency

Ashaft (mm)

3.7 ± 2.4

6.3 ± 3.4

3.1 ± 1.8

1.4 ± 0.6

4.9 ± 2.1

6.7 ± 2.4

4.5 ± 2.3

4.0 ± 3.3

4.5 ± 3.3

4.3 ± 3.0

4.4 ± 2.9

4.4 ± 2.9

Atip (mm)

1.3 ± 0.8

2.0 ± 0.9

1.7 ± 0.4

1.2 ± 0.8

1.6 ± 0.6

2.1 ± 0.5

2.1 ± 0.7

1.4 ± 0.6

1.4 ± 0.7

1.7 ± 0.8

1.6 ± 0.7

1.6 ± 0.7

TLE (mm)

-2.6 ± 1.4

-2.5 ± 0.2

-2.6 ± 0.8

-3.6 ± 0.6

-2.4 ± 0.5

-2.1 ± 0.8

_

-2.6 ± 0.9

-2.5 ± 1.0

-2.7 ± 0.8

2.4 ± 1.1

-2.6 ± 1.0

  1. Ashaft Artefact diameter at the antenna shaft, Atip Artefact diameter at the antenna tip, TLE Tip12 location error