Table 1.

Dedicated breast computed tomography systems used in this study along with the corresponding x‐ray beam characteristics

Scanner	kV	Filtration	1st HVL (mm AL)	Effective energy (keV)	Theoretical 100% adipose tissue HU
Albion	80	0.30 mm Cu	5.7	45	−89
Bodega	80	0.20 mm Cu	5.0	42	−110
Cambria	65	0.25 mm Cu	4.0	39	−128
Doheny	60	0.20 mm Gd	3.6	36	−151