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Journal of Craniovertebral Junction and Spine
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Year : 2021  |  Volume : 12  |  Issue : 4  |  Page : 412-419

Outcomes of chordomas of the sacrum and mobile spine: Clinical series with average 6-year follow-up

Department of Neurosurgery, Ege University, Izmir, Turkey

Correspondence Address:
Mehmet Zileli
Department of Neurosurgery, Ege University, Bornova, Izmir 35100
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcvjs.jcvjs_124_21

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Study Design: Retrospective clinical series. Purpose: To search for spinal chordoma's survival rates, recurrences, and complications and compare sacral and mobile spine chordomas. Overview of Literature: The primary spinal chordoma treatment is mainly considered radical surgery, although recurrence rates are pretty high. Radical surgery with extra marginal resection is possible with significant neurologic deficits and very high complication rates. Materials and Methods: This study reviews 48 spinal chordoma patients (sacrum 28, mobile spine 20) surgically treated between 1995 and 2019. Follow-up times ranged between 12 months and 238 months (average 6.16 years). Six patients were lost to follow-up after at least 1 year of control; three died 30 days after surgery. Results: Surgery for sacrum tumors was an extra marginal resection (sacrectomy) in 19 patients, while nine patients had intralesional surgery. There were 13 cervical chordomas and seven thoracolumbar chordomas. Although we tried marginal resections for cervical chordomas, all had positive margins, and we accepted them as intralesional. Surgery for thoracolumbar chordomas was total spondylectomy in four cases and intralesional excision in three patients. Because of recurrences, the average surgery per patient was 3.45. It was more common in mobile spine chordomas (average 4.2) than sacral chordomas (average 2.92). Surgical complications of mobile spine chordomas (15/20; 75%) were also more than sacral chordomas (16/28; 57%). Chordomas of the mobile spine had no metastasis, while sacral chordomas had a 21% (6/28) metastasis rate. The recurrence rates of sacral chordomas (16/21; 76%) were not significantly different from the mobile spine (15/18; 83%). Among sacral chordomas, in all five cases who had no recurrence, the level of sacrectomy was S2 and below. Conclusions: Recurrence and survival rates of mobile spine and sacral chordomas are not different. Sacral chordomas tend to metastasize. Sacrectomy is successful for sacral chordomas at S2 and below.

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