FIG 2. Images obtained during biopsy of the vertebral body thought to contain an abscess.

A, Transverse CT image obtained at the level of L1 during needle placement for biopsy shows the position of the biopsy needle with the inner stylet at the final position prior to the aspiration of fluid from the bone. The black dot marks the location of the tip of the needle after removal of the inner stylet.

B, Sagittal reformatted image that was constructed from the prebiopsy CT scan. The black dot shows the position of the needle tip shown in A.