| Figure 6 Free-hand method of surface marking for a lumbar biopsy. (a) Photograph shows the cleaned and draped patient lying in a prone position. A sponge forceps is used to indicate the estimated skin puncture point. (b) CT fluoroscopic image taken with the patient lying prone shows the tip of the sponge forceps at the proposed needle entry point. A right posterolateral paravertebral approach was planned for biopsy of the L4/5 disc. |
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