(a)
(b)
(c)
(d)
Figure 2: 11C-PK11195 PET/CT angiography of asymptomatic (a) and symptomatic (b) patient with vasculitis. Each patient is shown in transverse view. Arrow indicates inflamed region of aortic arch. Respective time-activity curves (corrected for radioactive decay) derived from aortic vessel wall (c and d) from Lamare et al. (2010) [110].