Fig. 6

A perspective of the range of energy deposition from a point source on a healthy spongiosa biopsy. 30%, 50%, and 90% of the total emitted electron energy from each of the three radionuclides are deposited within the respective black (terbium-161), red (lutetium-177), and blue circles (yttrium-90). The high energy and long range of yttrium-90 β-particles lead to circles with comparatively large radii