• Zvi Lidar, Morsi Khashan, Dror Ofir, Gilad J Regev, and Khalil Salame.
• Department of Neurosurgery, Tel-Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. Electronic address: zvil@tlvmc.gov.il.
• World Neurosurg. 2021 Aug 1; 152: e758-e764.

ObjectiveBenign osseous tumors of the spine in children are a rare cause for surgery. The aim of this study is to describe our experience with resection of pediatric benign osseous spine tumors using a minimally invasive technique through a variety of surgical approaches.MethodsA retrospective review of prospectively collected data of pediatric patients who underwent minimally invasive resection of a benign osseous vertebral tumor from May 2013 through November 2018 was performed. Primary outcome measures included the extent of resection and pain resolution. Secondary outcomes included postoperative spinal instability evaluated by standing scoliosis x-rays and tumor recurrence evaluated by periodic follow-up magnetic resonance imaging scans.ResultsOur study group comprised 8 children, 3 males and 5 females, with a mean age of 12.2 years. The average follow-up period was 4.3 years. Complete removal of tumors was achieved in all cases and was verified by follow-up magnetic resonance imaging scans. There were no procedure-related complications. The average duration of surgery was 70 minutes, and the blood loss was less than 20 cc in all cases. The average inpatient length of stay was 1.6 days. Histopathology revealed osteoid osteoma in 6 patients and osteoblastoma in 2 patients. Average improvement of the pain scores was from 8 to 0.8. At the time of this report, no tumor recurrence was evident in all 8 patients and none of the cases developed spinal deformity.ConclusionOur limited experience suggests that the minimally invasive technique is a valuable option for the surgical management of selected benign osseous spinal tumors in children.Copyright © 2021 Elsevier Inc. All rights reserved.

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