PubMed · 9552789
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E Zarzur. The posterior epidural space depth.. https://doi.org/10.1016/s1098-7339(98)90121-3
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STUDY DESIGN: Case report. SETTING: Tertiary referral center hospital in Taiwan. OBJECTIVES: To report a case of spinal Rosai-Dorfman disease (RDD) presenting with paraparesis and also preceding by relapsing uveitis for 6 months. A thoracic laminectomy was performed to remove the solid mass. The pathological diagnosis reveals infiltrating histiocytes, emperipolesis and positivity for S-100. There is no recurrence 1 year later with MR imaging. CONCLUSIONS: The relapsing idiopathic uveitis may be a prodrome for this unusual disease, because RDD is associated closely to defective immunogical response. Early and accurate diagnosis of CNS RDD may reverse the neurologic deficits by early decompression.
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The authors describe the unusual case of a 50-year-old woman who suffered from sciatic pain due to periligamentous trapped epidural gas after lumbar sequestrectomy. The patient underwent removal of free herniated disc material via a translaminar approach through the L-5 lamina without discectomy. Four days later she suffered from recurrent pain, and neuroimaging studies revealed an epidural gas formation at the site of the sequestrectomy. After evacuation of the gas, her pain resolved. Postoperative intraspinal gas may be symptomatic in the rare case.