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Research ArticleTumor

Primary Aneurysmal Bone Cyst of the Spine in Children: Updated Outcomes of a Modern Surgical Technique

Emmanouil Grigoriou, John P. Dormans and Alexandre Arkader
International Journal of Spine Surgery July 2020, 7082; DOI: https://doi.org/10.14444/7082
Emmanouil Grigoriou
1Department of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
3Department of Orthopaedic Surgery, University at Buffalo, Buffalo, New York
MD
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John P. Dormans
2Department of Orthopaedic Surgery, Riley Children's Hospital, Indianapolis, Indiana
MD
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Alexandre Arkader
1Department of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
MD
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ABSTRACT

Objective Aneurysmal bone cysts (ABC) are benign but locally aggressive lesions. Treating children with spinal ABC poses risks due to the proximity of the lesion to the spinal cord and the need to preserve spinal stability after surgery. This study reports the updated outcomes of a uniform aggressive initial surgical technique for the treatment of spinal ABC in children.

Methods Twenty-nine cases of spinal ABC were collected from a tertiary pediatric tumor center over a 24-year period (January 1990–September 2014). The study patients were divided into 2 groups based on the performed procedure: a traditional approach consisting of curettage and bone grafting (group 1) and a 4-step approach consisting of intralesional curettage, high-speed bur, electrocautery, and bone grafting (group 2).

Results The study population was composed of 12 males and 17 females with a mean age of 12.2 years at the time of diagnosis and a mean postoperative follow-up of 4.03 years. Twenty-one patients underwent the 4-step approach, while 8 patients were treated with the traditional technique. The recurrence rate was 50% (4/8 patients) with the traditional technique (group 1) and 19% (4/21) in the 4-step technique (group 2) (P = .164). Regardless of the technique used, the presence of sensory symptoms at the time of presentation was a statistically significant factor for recurrence (P = .016).

Conclusions We suggest that addressing spinal ABC in pediatric patients with a 4-step approach is a safe technique that may decrease long-term recurrence and reoperation rates compared to the traditional technique of intralesional curettage and bone grafting.

Level of Evidence 4.

  • tumors
  • spine
  • aneurysmal bone cyst
  • pediatric
  • children
  • bone cyst

Footnotes

  • Disclosures and COI: The authors received no funding for this study and report no conflicts of interest. The study was approved by our institution's institutional review board.

  • ©International Society for the Advancement of Spine Surgery
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International Journal of Spine Surgery: 19 (S2)
International Journal of Spine Surgery
Vol. 19, Issue S2
1 Apr 2025
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Primary Aneurysmal Bone Cyst of the Spine in Children: Updated Outcomes of a Modern Surgical Technique
Emmanouil Grigoriou, John P. Dormans, Alexandre Arkader
International Journal of Spine Surgery Jul 2020, 7082; DOI: 10.14444/7082

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Primary Aneurysmal Bone Cyst of the Spine in Children: Updated Outcomes of a Modern Surgical Technique
Emmanouil Grigoriou, John P. Dormans, Alexandre Arkader
International Journal of Spine Surgery Jul 2020, 7082; DOI: 10.14444/7082
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Keywords

  • tumors
  • spine
  • aneurysmal bone cyst
  • pediatric
  • children
  • bone cyst

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