Mammography QC Program : QC test items

QC test items

Installation test
  1. S value confirmation
  2. Inter Plate (IP) variation
  3. IP fog in storage area
Daily/Weekly test
  1. Test with 1 Shot Phantom
    • Missed tissue at chest wall side
    • Contrast to noise ratio (CNR)
    • System sensitivity constancy
    • Geometric distortion
    • System artifact
    • Uniformity
    • Dynamic range
    • Spatial resolution (SR)
    • Low contrast detectability (LCD)
    • Linearity/Beam quality assessment
  2. Test with ACR phantom
  3. Good practice (Cleaning)
    • Mammography X-ray equipment
    • IP/Cassettes
    • Diagnostic monitors
    • Viewing boxes
Quarterly test

Repeat analysis

Semi-annual test
  1. S value confirmation
  2. Compression device confirmation
  3. Viewing box maintenance
Annual test
  1. Image performance test
    • Additive lag effects (Lag)
    • Multiplicative lag effects (Ghosting)
    • Missed tissue at chest wall side (40mm in height)*
    • Visual and functional tests
  2. Spatial resolution test (Magnification)
  3. X-ray equipment performance test
    • kVp accuracy and reproducibility
    • Half value layer (HVL)
    • Collimation assessment
    • Radiation output
  4. AEC system performance test
    • AEC density control function
    • AEC reproducibility
    • CNR exposure mode n
    • AGD exposure mode n
Notes
  • * This test is only required in limited countries/areas. Comply with local regulations/guidelines.
Applicable for :
  1. FCR reader unit and IP/Cassette type
    • FCR PROFECT CS/One (50µm/pixel image)
      IP: HR-BD, Cassette: Type DM
    • FCR 5000MA Plus (50µm/pixel image)
      IP: HR-BD, Cassette: Type DM
  2. CR Console
    • CR Console Ver. 5.0 or later
Notes
  • Test items with bold text are evaluated by 1 Shot Phantom.