BioMed Research International / 2017 / Article / Fig 4

Review Article

Caudal Epidural Block: An Updated Review of Anatomy and Techniques

Figure 4

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.

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