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Insights into Imaging
Fig. 3 | Insights into Imaging

Fig. 3

From: Overuse-related instability of the elbow: the role of CT-arthrography

Fig. 3

In-plane US-guided intra-articular injection (a). The spinal needle is clearly visible as a hyperechoic linear image, as the tip (white arrow) approaches the designed target. The posterior articular recess (asterisk) expands as contrast agent is injected, becoming visible as a hypoechoic sac, confirming the appropriateness of the procedure (b)

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