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Table 1 Tube voltage (kV) and tube current – time products (mAs) for phantom and patient measurements

From: Effect of thyroid shielding during mammography: measurements on phantom and patient as well as estimation with Monte Carlo simulation

Group / Type Tube voltage (kV; single value, range, or mean ± standard deviation) Tube current (mAs; single value, range, or mean ± standard deviation) Compression thickness (mm; single value, range, or mean ± standard deviation)
CC MLO CC MLO CC MLO
Breast phantom without Alderson, two different compression thicknesses 28   80   50  
30 100 60
Breast phantom with Alderson 26–30 27–30 52–231 51–240 30–70 30–70
Patient L-group 30.2 ± 0.8 30.6 ± 0.9 105.4 ± 26.5 119.6 ± 36.4 67.3 ± 7.8 70.2 ± 9.0
Patient M-group 29.5 ± 0.8 29.7 ± 0.9 101.8 ± 30.9 111.1 ± 41.1 59.4 ± 7.7 60.6 ± 9.5
Patient S-group 28.0 ± 0.9 28.2 ± 0.9 79.3 ± 28.3 82.7 ± 20.1 43.9 ± 9.3 44.9 ± 7.4
All patients 29.1 ± 1.3 29.4 ± 1.4 93.6 ± 30.6 102.0 ± 35.9 55.5 ± 17.7 57.1 ± 13.9