Fig. 4From: Percutaneous pedicle screw fixation was effective for bone regeneration after a huge vertebral defect due to intractable pyogenic spondylitis caused by methicillin-resistant Staphylococcus aureus: a case reportAt the 4th hospitalization. A huge bone defect in L1 and L2 is shown on computed tomography (a). MRI shows an abscess in the L1–2 disc space that was enlarged toward the anterior (b–d)Back to article page