Clinical Study

Needle Tip Position and Bevel Direction Have No Effect in the Fluoroscopic Epidural Spreading Pattern in Caudal Epidural Injections: A Randomized Trial

Figure 2

Sample image of the epidural spreading pattern after injection of 4 mL of contrast media using the left side needle tip position ((a) anteroposterior view; (b) lateral view) and (c) after injection of 14 mL of injectates.
(a)
(b)
(c)