Small case series described unusual tissue reactions after spinal steroid injections
Tissue samples from patients having spine surgery showed unusual reactions after earlier particle-containing steroid injections. The report suggests a possible link but cannot establish its cause or frequency.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
In a small series of patients having spine surgery, tissue samples showed unusual reactions after earlier particle-containing corticosteroid injections at the same spinal level. The authors suggested a possible link with the injections. Because the sample consisted of patients already showing abnormal tissue, it cannot establish how often this happens or whether injections caused it.
This convenience sample included patients with abnormal tissue and had no reported comparison group. The abstract does not establish clinical consequences or the interval between injection and surgery.
What researchers found
Tissue findings during spine surgery
Biopsies from 4 previously injected patients showed reactions described as granulomatous-like. No comparison group or injection-to-surgery timeframe was reported in the abstract.
What was observed
The finding came from tissue collected during surgery, rather than a comparison of pain relief or recovery. The description of the tissue reaction does not itself show that patients experienced a particular symptom or complication.
What the literature added
The accompanying review found no similar published reactions in this spinal tissue, but identified comparable findings in skin-related literature. That resemblance supports a question for further investigation rather than confirming the injection as the cause.
The original publication
Epidural tissue reaction post interlaminar particulate steroid injection: A case series and systematic review.
Ehsanian R, Ellis D, Dennison L et al.
PM R · 2025
- PubMed ID
- 40530804
- Record checked
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