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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

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

Fig. 4

Discectomy and laminotomy. Preoperative T2W sagittal MR image (a) shows the herniated and inferiorly migrated disc at the L4-5 level, abutting the anterior thecal sac (thin arrow) and right L5 nerve root (not shown). There is also a thickened ligamentum flavum. Postsurgical T1W axial (b) and T2W sagittal MR images (c) at the same level as “(a)” demonstrates right laminotomy (arrow) with removal of herniated disc material—discectomy (arrowhead)

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