BioMed Research International / 2017 / Article / Fig 7

Review Article

Caudal Epidural Block: An Updated Review of Anatomy and Techniques

Figure 7

Color Doppler ultrasonography in paramedian sagittal oblique view of the sacral and lumbar spine. The observed color spectrum suggests the flow of injectate reaching L4-5 level. The inset shows the position of the ultrasound transducer. L3L: L3 lamina; L4L: L4 lamina; L5L: L5 lamina; DS: dorsal surface of sacrum.

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