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eISSN: 1643-3750

Published: 2019-02-20

Diagnostic and Management Options of Osteoblastoma in the Spine

Minhao Wu, Keke Xu, Yuanlong Xie, Feifei Yan, Zhouming Deng, Jun Lei, Lin Cai

(Department of Bone and Musculoskeletal Tumor Center, Zhongnan Hospital, Wuhan University, Wuhan, Hubei, China (mainland))

Med Sci Monit 2019; 25:1362-1372

DOI: 10.12659/MSM.913666

BACKGROUND: Osteoblastoma is a rare, benign, osteolytic neoplasm commonly found in the spine in early adulthood. Here, we review the clinical characteristics, radiographic findings, and surgical management of patients with spinal osteoblastoma.
MATERIAL AND METHODS: Thirteen patients with osteoblastoma who underwent surgery at our institute from June 2008 to November 2017 were enrolled in this study. The American Spinal Injury Association (ASIA) impairment scale was used to assess neurological function. All patients were treated with either total excision or intralesional piecemeal excision without postoperative radiotherapy. Clinical efficacy was evaluated by visual analog scale (VAS) scores, the Oswestry Disability Index (ODI) of nerve function, physical and radiographic examinations, bone fusion, and neurologic status.
RESULTS: The follow-up lasted 23–82 months (average, 43.8 months). The average surgical time was 178.1 minutes (range, 100–230 minutes), with an average intraoperative blood loss of 574 mL (range, 230–1100 mL). Postoperatively, VAS scores decreased from 6.2±1.7 to 0.5±0.7 (P<0.001). The preoperative and final ODI scores were 51.1±7.7 and 22.6±4.9, respectively, reflecting a significant decrease (P<0.001). According to the ASIA classification, 3 patients had grade C, 3 patients had grade D, and 7 patients had grade E disease. Three months postoperatively, 1 patient had grade D and 10 patients had grade E disease; ultimately, all cases were grade E disease. Only 1 patient experienced local recurrence and underwent en bloc marginal resection with postoperative radiotherapy. All patients remained neurologically stable without any major complications.
CONCLUSIONS: Accurate intraoperative localization with complete resection is the key to preventing recurrence. Aggressive surgical resection can achieve satisfactory clinical and radiographic outcomes.

Keywords: Bone Neoplasms, Diagnosis, Osteoblastoma, Spine, Surgical Tape

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