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Thoracic spine, sclerosis of the interspinal ligaments
 Sclerosis of the thoracic interspinous ligaments
PATIENT'S POSTURE The patient lies prone.
PRODUCT Per level 2 ml
- 1.5 ml P2G
Phenol 2 %
Dextrose 25 %
Glycerol 30 %
Water 43 %
- 0.5 ml lidocaine 2 %
SYRINGE 5 ml syringe
NEEDLE 0.7x40 mm (22 G 1 ½)
TECHNIQUE The spinous processes are identified and marked, and so are the midline and the interspinous ligaments. The needle is thrust in vertically, halfway between the spinous processes. After about 1 cm the needle is moved upwards in an angle of 30° to the horizontal and aimed at the lower edge of the upper spinous process. In contact with the bone 0.5 ml is infiltrated by drops deeply and 0.5 ml superficially at the ligamentoperiosteal insertion. Considerable pressure is required. The needle is then half withdrawn and, in a more vertical position, aimed at the upper edge of the lower spinous process. Again 1 ml is infiltrated at the ligamentoperiosteal insertion. This is repeated at the adjacent level.
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