Caudal Epidural Block: An Updated Review of Anatomy and Techniques

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

BioMed Research International

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Figure 5

Figure 5: Caudal Epidural Block: An Updated Review of Anatomy and Techniques 