Figure 1From: Fluoroscopically guided transforaminal epidural dry needling for lumbar spinal stenosis using a specially designed needle Three-dimensional CT images of the transforaminal epidural dry needling procedure. The sagittal CT image shows the area where the transforaminal epidural dry needling was performed (A). The coronal (B) and axial (C) CT images show the depth and route of needle insertion.Back to article page