Caudal Epidural Block: An Updated Review of Anatomy and Techniques

<div>Transverse ultrasound view of the sacral hiatus. The inset shows the position of the ultrasound transducer. BS: base of sacrum; SC: sacral cornua; SCL: sacrococcygeal ligament; SH: sacral hiatus.</div>

BioMed Research International

fig4

Figure 4

Figure 4: Caudal Epidural Block: An Updated Review of Anatomy and Techniques 