Figure 2. Ga-67 citrate planar imaging. (A) In initial work-up, intense activity was noted at the aortic arch (white arrows). (B) Follow up scan 4 weeks after surgery and steroid therapy, the previously described lesion at the aortic arch faded out. Linear uptake along the sternum corresponded to the surgical wound (black arrow)

From

A Rapidly Growing Pseudoaneurysm Secondary to Aortic Arch Periaortitis

Rong-Hsin Yang, Chien-Hsin Ting, Yum-Kung Chu

American Journal of Medical Case Reports. 2015, 3(11), 347-351 doi:10.12691/ajmcr-3-11-1