Fig. 3.

PET/CT synthesis. (a) Sclerotic synthesis of Fig. 1(a), sclerotic lesion becomes visible (arrow); (b) lytic synthesis of Fig. 1(b), mixed lesion is enhanced (arrow); (c) sclerotic synthesis of Fig. 1(c), mixed lesion is enhanced; and (d) lytic synthesis of Fig. 1(d), lytic lesion is enhanced.