Comparison of Incidences of Intravascular Injection between Medial and Lateral Side Approaches during Traditional S1 Transforaminal Epidural Steroid Injection

<div>Spinal landmarks and epidural contrast spread patterns viewed using fluoroscopy during S1 transforaminal epidural steroid injection, posterior S1 neural foramen (circle); (a) and (b), medial approach to the S1 foramen in anteroposterior (AP) view, note the spread of medium into the epidural space; (c) and (d), lateral approach to the S1 foramen in AP view.</div>

Pain Research and Management

fig2

Figure 2

Figure 2: Comparison of Incidences of Intravascular Injection between Medial and Lateral Side Approaches during Traditional S1 Transforaminal Epidural Steroid Injection 

Figure 2 | Comparison of Incidences of Intravascular Injection between Medial and Lateral Side Approaches during Traditional S1 Transforaminal Epidural Steroid Injection 