Fig. 2

Demonstration of needle approach to the L5 vertebral body in Lateral (a) and AP (b) views. The relevant most common vascular anatomy has also been included in B. c The most commonly targeted sites in our single center experience. We typically target the inferior aspect of the L5 vertebral body in an attempt to stay distal to the aortic bifurcation. In review of target in our cases we actually targeted the left lower quadrant of the L5 body in 29% (12/41), right lower quadrant of the L5 body in 34% (14/41), midpoint l5 body in 17% (7/41), right upper quadrant in 4.8% (2/41), left upper quadrant in 9.7%(4/41) and lower L4 body in 4.8% (2/41)