High risk is defined as >20-25% lifetime risk of developing CA
Intermediate risk is defined as 15-20% risk of developing CA and includes:
A personal hx of breast CA
H/o ADH/ALH or LCIS
ACS states there is not enough evidence to recommend for or against screening breast MR.
BRCA 1/2 genes regulate DNA-damage response and repair in the cell.
Annual screening breast MR should begin by age 25.
Not yet shown to reduce deaths 2/2 breast CA
Ppx mastectomy significantly reduces (90%) but does not eliminate breast CA risk
Can be found in axillary nodes and residual breast tissue post mastectomy
3% of breast CA are diagnosed in pregnancy
Male breast CA tends to be larger than female breast CA at dx due to lack of screening
Mean diameter of 2.0-3.5 cm.