Autoradiography images after 227
Th-trastuzumab therapy. Autoradiography images of the radioactivity distribution in 5-μm-thick frozen tissue sections from four different SKBR-3 human tumor xenografts in athymic nude mice following injection of 600 kBq/kg of 227Th-trastuzumab. Tumors in mages (a) and (b) were resected 4 days post injection, while (c) and (d) were removed 8 days post injection. N = 4.