• Tanya Idriceanu, Pierre-Aurélien Beuriat, Federrico Di Rocco, Alexandru Szathmari, and Carmine Mottolese.
• Department of Pediatric Neurosurgery, Hôpital Femme Mère Enfant, Lyon Cedex, France.
• World Neurosurg. 2022 Dec 1; 168: e12e18e12-e18.

BackgroundRecurrent symptomatic tethered cord (RTC) is a long-term complication of spinal cord lipomas, responsible for progressive motor deficits, urologic dysfunction, and aggravation of spinal deformities. We retrospectively analyzed all cases of recurrent tethering after spinal cord lipoma surgery, the clinical and radiologic features that led to the diagnosis, the surgical management, and the neuro-orthopedic outcome at the last follow-up.MethodsThe study was carried out over 20 years on 209 pediatric patients from a single institution, initially treated for a conus lipoma.ResultsNine patients (4.8%) were surgically treated for an RTC. The age at retethering ranged from 2 to 12 years (median, 7.4 years). The time until the first and the second surgical procedure ranged from 19 to 140 months (median, 92 months [7.5 years]). The follow-up period after the second surgery ranged from 3 months to 13 years (median, 50 months). Regarding symptoms, pain responded well to surgery. Gait disturbances improved in 50% of patients after surgery. One patient with bladder dysfunctions also improved. The remaining patients maintained their presurgical status.ConclusionsWhen RTC is confirmed, the child should be referred to surgery as soon as possible, because we show that the postoperative clinical outcome improved and surgery did not worsen patients' condition. Follow-up should be as long as possible for these patients.Copyright © 2022. Published by Elsevier Inc.

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