Facet synovitis is a common condition and appears to correlate with the patient's pain. Detection of active inflammatory facet osteoarthropathy (facet synovitis) within and surrounding the facet joints is possible with MR imaging using a fat-saturation technique.
In the past decade, there has been a substantial increase in interest in minimally invasive procedures in all areas of medicine, particularly for spinal disorders. Some of these techniques represent notable advances in spinal care and have major roles in the care of patients with back-related symptoms. Other techniques appear to offer no benefit and in some cases may be less effective than conventional treatments. Percutaneous lumbar diskectomy techniques hold considerable promise; however, lumbar microdiskectomy is the gold standard for surgical treatment of lumbar disk protrusion with radiculopathy. Intradiskal electrothermal therapy is emerging as a useful option for selected patients with intractable mechanical back pain whose only other option historically has been a spinal fusion. Percutaneous fusion techniques are in their infancy and may prove to be beneficial for these patients as well. Percutaneous vertebral augmentation, including vertebroplasty and kyphoplasty, has become the treatment of choice for many patients with intractable back pain secondary to vertebral insufficiency fractures. Spinal injections are important for evaluating and managing spinal pain and can be extremely useful diagnostically and therapeutically. This multidisciplinary review outlines the status of these procedures and offers suggestions for their use in patient care.
Percutaneous pedicle screws can be placed accurately and safely using 3D image guidance without the use of K-wires. Little to no radiation exposure to the surgeon or OR staff occurs with this technique. No complications occurred in this study as a result of screw placement or image guidance.
Background: Any spine structure that is innervated by afferent nociceptive nerve fibers
is a potential pain generator. In the lumbar spine, the most studied pain generators include: sacroiliac joints, the zygapophysial joints, the intervertebral discs, myofascial structures. Anomalous lumbosacral articulations, the spinous processes, and lumbar spine osteophytes are less commonly reported.
Objective: To describe the diagnostic and therapeutic features of “kissing spine” disease or Baastrup’s Sign with particular attention to MRI findings and fluoroscopicallyguided injection therapy.
Design: A series of 3 patients with axial low back pain presented with exam findings
and MRI changes suggestive of pain emanating from adjacent spinous processes that appeared to be in direct contact or very closely opposed. This has been described in the literature as “kissing spine” disease or Baastrup’s sign. Fluoroscopically-guided injections
were performed and the responses were studied.
Results: The 3 patients had MRI findings consisting of inflammation and/or edema in
the spinous processes and surrounding soft tissues. Fluoroscopically-guided injections
provided pain relief in all 3 patients. One patient with recurrent pain eventually underwent successful surgical resection of the involved spinous processes.
Conclusion: Painful adjacent and closely opposed spinous processes can be a source of
axial low back pain. We have described MRI features and the responses to fluoroscopically-guided injections in 3 patients with this condition.
Key words: Baastrup’s, kissing spine, spine injection
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