Hologic Affirm, User Manual

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Affirm User Guide
Appendix C: CNR Correction for Biopsy
MAN-03209 Revision 005 Page 55
Appendix C
CNR Correction for Biopsy
C.1 CNR Correction for Stereotactic Biopsy
Note System default setting is AEC Table 0 for imaging under
stereotactic biopsy mode.
C.1.1 AEC Table 0 (Standard Stereotactic Biopsy Dose)
Prior to Software Rev
1.7.x
After Software Rev 1.7.x
Compression
Thickness
All Detectors Detector Serial #:
XX6xxxxx
Detector Serial #:
XX8xxxxx
2.0 cm 0.91 0.91 0.91
4.0 cm 1.00 1.00 1.00
6.0 cm 1.27 1.27 1.32
8.0 cm 1.76 1.76 1.88
C.2 CNR Correction for Biopsy Under Tomosynthesis Option
Note System default setting is AEC Table 0 (Tomosynthesis
Option) for imaging under biopsy mode using digital breast
tomosynthesis.
C.2.1 AEC Table 0 (Tomosynthesis Option: Standard Tomo Dose)
Prior to Software Rev
1.7.x
After Software Rev 1.7.x
Compression
Thickness
All Detectors Detector Serial #:
XX6xxxxx
Detector Serial #:
XX8xxxxx
2.0 cm 0.70 0.70 0.70
4.0 cm 0.91 0.91 0.91
6.0 cm 1.46 1.46 1.55
8.0 cm 2.37 2.37 2.78
Appendix C: