Figure legends:
Figure 1: (A) Clinical images of patient showing prominent superficial veins (white arrow) in the volar aspect of the distal forearm. (B) Intraoperative image showing the arteriovenous fistula site (black arrow).
Figure 2: Computed tomography (CT) angiography of right upper limb 3D images showing prominent ulnar artery (white arrow) forming the palmar arch. Retrograde filling of the distal radial artery in hand (dashed arrow) from deep palmar arch (small white arrows). Further filling of AVF (red arrow) retrogradely at the wrist from the distal radial artery and prominent superficial veins (dashed red arrow). Note is made of non-opacification of the radial artery in the forearm with visualization of paired radial veins (double white arrow).