Hologic Affirm - CNR Correction for Biopsy; CNR Correction for Stereotactic 2 D Biopsy; CNR Correction for Tomosynthesis Biopsy

Affirm Breast Biopsy Guidance System User Guide
Appendix C: CNR Correction for Biopsy
MAN-06411-002 Revision 003 Page 93
Appendix C CNR Correction for Biopsy
C.1 CNR Correction for Stereotactic 2D Biopsy
Note
System default setting is AEC Table 0 for imaging under stereotactic 2D biopsy mode.
C.1.1 AEC Table 0 (Standard Stereotactic 2D 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