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  • Title: Non-dysraphic intramedullary spinal cord lipoma of the child: Report of 3 cases.
    Author: Sagenly M, Karnoub MA, Vinchon M.
    Journal: Neurochirurgie; 2023 Sep; 69(5):101473. PubMed ID: 37482183.
    Abstract:
    BACKGROUND AND PURPOSE: Non-dysraphic intramedullary spinal cord lipomas (NDSCL) represent 1% of spinal cord tumors. They are less frequent than dysraphic spinal cord lipomas and clinical presentation is unspecific. There are no guidelines on surgical management. MATERIAL AND METHODS: We report three observations of NDSCL in children, focusing on the clinical presentation, surgical management and postoperative outcome. RESULTS: The patients, one female and two males, aged from 5 months to 10 years presented with neurological deterioration, pain, spinal rigidity and in two cases, a subcutaneous mass. Spinal MRI found intradural lipomas without spina bifida, located in the cervico-thoracic area in all cases. The lipoma extended to the medulla oblongata in two cases and was in the lumbar region in the third. These lipomas were massive, requiring decompression surgery. Surgery confirmed the lipoma to be subpial. We performed debulking of the lipoma without attempting total resection, and with or without dural plasty and laminoplasty, followed by minerva cast in two cases, and avoidance of standing in the youngest. Satisfactory recovery occurred in all three cases. After a follow-up between 4 months and 9 years, the outcome was favorable in all cases, and no patient presented with secondary spinal deformation or lipoma progression. CONCLUSION: NDSCL is a rare entity, which often manifests with progressive pain and neurological deficits. In our experience, partial resection with or without dural plasty and laminoplasty has been associated with satisfactory postoperative outcomes and no recurrence of symptoms. We should be attentive to the risk of postoperative spinal deformity in these young patients.
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