BioMed Research International / 2017 / Article / Fig 5

Review Article

Caudal Epidural Block: An Updated Review of Anatomy and Techniques

Figure 5

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.

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