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Dr Corenman,
Could you please give me your opinion on what could be the cause of something mentioned on my MRI scan report?
“There is residual inflammatory signal change noted within the overlying of retrovertebral soft tissues.” This is in the soft tissues behind a fusion at L4/5.
The report also states that “there are T2/stir hyperintense halos around the vertebral trajectory of instrumentation material – this change may be artifactual or related to loosening – please correlate.”
Could the inflammed soft tissue be being caused by loose screws causing the hardware or vertebrae to be moving?
Otherwise, what could be causing this inflammation and what needs to be done about it? The fusion was done in March 2010, so surely the inflammation from surgery should be gone by now!
Hoping to hear your opinion about this.
Many thanks in advance.Signal change in the posterior soft tissues (fascia, muscle, fat, tendon and skin) will be there forever. One finding that helps to determine even old prior surgery is highlighted signal (signal change) in the posterior soft tissues so don’t be concerned about this change (unless it is severe signal change and associated with fluid which could indicate infection-rare).
“T2/stir hyperintense halos around the vertebral trajectory of instrumentation material – this change may be artifactual or related to loosening” is probably magnetic distortion due to the metal in the screws. Any loosening of screws is best determined by a CT scan with a runner-up being good flexion/extension X-rays.
Dr. Corenman
PLEASE REMEMBER, THIS FORUM IS MEANT TO PROVIDE GENERAL INFORMATION ON SPINE ANATOMY, CONDITIONS AND TREATMENTS. TO GET AN ACCURATE DIAGNOSIS, YOU MUST VISIT A QUALIFIED PROFESSIONAL IN PERSON.
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books. -
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