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Table 1 Spatial resolutions at 1/2 and 1/8 axial offset from the center of the AFOV

From: Evaluation of the performance of a high-resolution time-of-flight PET system dedicated to the head and breast according to NEMA NU 2-2012 standard

Axial position

Offset from the center (mm)

FWHM (mm)

FWTM (mm)

Tangential

Radial

Axial

Tangential

Radial

Axial

1/2 AFOV

10

2.3

2.5

2.9

4.5

5.3

5.9

 

100

2.8

5.9

2.8

5.3

10.8

5.4

1/8 AFOV

10

2.3

2.2

2.4

4.7

5.1

4.9

 

100

2.8

5.6

2.7

6.3

8.9

5.4

  1. AFOV axial field of view, FWHM full width at half maximum, FWTH full width at one-tenth of the maximum