Full endoscopic resection of a lumbar osteoblastoma: technical note

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  • 1 Departments of Neurological Surgery and
  • 2 Orthopedic Oncology, Memorial Sloan Kettering Cancer Center; and
  • 3 Department of Neurological Surgery, Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York
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Osteoblastomas are a rare, benign primary bone tumor accounting for 1% of all primary bone tumors, with 40% occurring within the spine. Gross-total resection (GTR) is curative, although depending on location, this can require destabilization of the spine and necessitate instrumented fixation. Through the use of minimally invasive, muscle-sparing approaches, these lesions can be resected while maintaining structural integrity of the spine. The authors present a case report and technical note of a single patient describing the use of a purely endoscopic technique to resect a right L5 superior articulating process osteoblastoma in a 45-year-old woman. The patient underwent an image-guided endoscopic resection of her superior articulating facet osteoblastoma. Intraoperative CT demonstrated GTR. On postoperative examination, she remained neurologically intact with resolution of her pain. At follow-up, she remained pain free. Resection of lumbar osteoblastoma through a fully endoscopic approach was a safe and effective technique in this patient. This technique allowed for GTR without compromising spinal structural integrity, thus eliminating the need for instrumented fixation.

ABBREVIATIONS GTR = gross-total resection.

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Contributor Notes

Correspondence Ori Barzilai: Memorial Sloan Kettering Cancer Center, New York, NY. barzilao@mskcc.org.

INCLUDE WHEN CITING Published online April 3, 2020; DOI: 10.3171/2020.2.SPINE191091.

Disclosures Dr. Laufer reports being a consultant to Medtronic, Globus, DePuy Synthes, Brainlab, and SpineWave.

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