Case: A 58-year-old man presented with lumbar spinal stenosis due to epidural lipomatosis. He underwent transsacral canal plasty (TSCP), in a manner similar to epidural adhesiolysis, which can be performed under local anesthesia. His leg pain improved dramatically in the year after surgery. Furthermore, magnetic resonance images during this time show neural decompression by reduction of the amount of epidural fat.Conclusion: TSCP was found not only to relieve pain but also to achieve neural decompression in this patient with spinal canal stenosis caused by lumbar epidural lipomatosis. This is the first report to demonstrate the usefulness of TSCP for spinal epidural lipomatosis.Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSCC/ B975).

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Background: Skeletal-related events due to spinal metastasis in cancer significantly impair patients’ activities of daily living and quality of life. Most of these events occur suddenly. To reduce their impairment occurred suddenly, and to allow them to return to their normal life immediately, many patients undergo palliative surgery; however, some patients do not improve their performance status (PS) as expected. There is little evidence regarding the factors influencing a patient’s PS after palliative surgery. We aimed to investigate the pre-operative predictors of poor PS 1 month after surgery.Methods: The study included a consecutive series of 71 patients with pathological spinal fracture who underwent palliative surgery. Pre-operative predictors of poor post-operative PS were investigated. The participants were categorized into two groups according to PS; the Good group (PS 0, 1, or 2) and the Poor group (PS 3 or 4). We performed univariate and multivariable logistic regression analyses on demographic information, unidentified primary site, AIS grade, poor PS, spinal instability neoplastic score, revised Tokuhashi score, New Katagiri score, modified Glasgow Prognostic Score (mGPS), neutrophil-lymphocyte ratio(NLR), and prognostic nutrition index (PNI). Results: Post-operatively, the Poor group included 38.0% of the patients. Univariate analysis revealed that the following pre-operative factors were related to poor outcomes (p<0.05): BMI<18.5; AIS grade C; poor PS; revised Tokuhashi score 0−8; New Katagiri score 7−10; mGPS 2; and PNI. In the multivariate analysis, mGPS 2 (OR = 22.8, 95% CI = 2.59−202.00, p<0.01) was a significant pre-operative predictor of poor post-operative PS. Conclusion: mGPS 2 was a predictive clinical factor that influenced PS 1 month after surgery. Patients with mGPS 2 should be carefully evaluated to determine their treatment, especially whether they should undergo palliative surgery.

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