Article Figures & Data
Figures
- Figure 1
Magnetic resonance imaging images (T1-weighted fat suppression (T1FS) postgadolinium) show significant enhancement around the mass-like lesion at the left inferior articular process of the L3 vertebra.
- Figure 2
Computed tomography image comparison. (A) Preoperative image with a notable “nidus” (yellow arrowhead), (B) immediate postoperative image, and (C) 18-month postoperative image showing remodeling of resected area.
- Figure 3
Intraoperative endoscopic views. Tumor mass after tissue dissection (top left). Diamond tip burr use (top right). Kerrison rongeur nidus removal (bottom left). Radiofrequency cauterization after nidus removal (bottom right). Orientation and working area (middle).
- Figure 4
Schematic of endoscopic procedure at L3 left inferior articular process shows diamond tip burr, Kerrison rongeur, and radiofrequency electrocautery.
- Figure 5
Pathology and microscopic views. Microscopic examination with hematoxylin and eosin stain revealed fragments of nodular lesion, composing anastomosing network of irregular trabeculae of woven bones with variable mineralization and central loose fibrovascular stroma. Layers of osteoblasts and sporadic osteoclasts rim the trabeculae of woven bone.
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