Fig. 2

Intra- and post-operative radiographs (a-d). a Intraoperative lateral radiographs showed a linear IVC in L1(white arrow). b-c Posterior artificial vertebral body implantation with osteotomy and debridement at L1(white arrow). d Postoperative lateral radiograph shows good positioning of artificial vertebral body and pedicle screws. Pathological results (e-i). e Necrotic tissue (black arrow) and hematopoietic tissue (white arrow) (H & E stain, original magnification × 4). f Acid-fast bacillus (+) (black arrow) (acid-fast staining, original magnification × 40). i Acid-fast bacillus (+) (black arrow) (acid-fast staining, original magnification × 20). g epithelioid granuloma (H & E stain, original magnification × 20). h Caseous necrosis (H & E stain, original magnification × 40)