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Insights into Imaging
Fig. 2 | Insights into Imaging

Fig. 2

From: Imaging features of the postoperative spine: a guide to basic understanding of spine surgical procedures

Fig. 2

Technique for metal artifacts reduction after a disc replacement procedure at the L4-5 level. Sagittal T1-weighted (a) and STIR (b) MR images show susceptibility artifacts due to the metallic disc prosthesis, limiting the evaluation of the vertebral bodies (white asterisks) and spinal canal (arrow) from L3-4 to L5-S1 levels at these levels. Sagittal T1-weighted (c) and STIR (d) MAVRIC sequences to reduce metal artifacts improve the evaluation of the L3-4 and L5-S1 levels (black asterisks), and the spinal canal (arrowhead) and posterior elements

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