Transforaminal endoscopic removal of residual disc protrusion causing sciatica


The removal of the significant portion of the disc protrusion causing compression and irritation of adjacent nerve causing sciatica. The relief of symptoms is often noticed on the operating table from the patient treated in the aware state under circulating analgesia.  The blue stained disc material is removed.  The indigo-carmine staining allows the surgeon to remove only degenerate disc material and preserve the healthy disc. Removal of disc material is associated with loss of disc height and ultimately loss of disc height.  This can lead to loss of height of the foramen (doorway) through which the nerves leave the spinal canal hence the need for Foraminoplasty to enlarge the doorway and return the natural mobility of the exciting nerve