Table 1.

Recovery of steroids from breast cyst fluid after purification by HPLC

EstradiolTestosteroneEstroneAndrostenedioneProgesterone
BCF (pg/mL)3444,2632,52530,6738,424
Amount of steroid added (pg)2761,6961,98714,8017,768
Sum BCF + standard (pg/mL)6205,9594,51245,47416,192
Assayed spiked BCF (pg/mL)6956,3764,24342,93014,944
Difference from spiked10.8%6.5%6.3%5.9%8.4%